*{box-sizing:border-box;margin:0;padding:0}:root{--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--surface: #f6f4ef;--surface-low: #efeeeb;--surface-high: #ffffff;--surface-highest: #d4d1ca;--outline: #d4d1ca;--primary: #fe4d01;--secondary: #e54501;--on-surface: #151515;--on-surface-muted: #706d65}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24}body{font-family:Manrope,sans-serif;background:var(--surface);color:var(--on-surface);height:100dvh;display:flex;flex-direction:column;overflow:hidden;-webkit-user-select:none;user-select:none}#app-shell{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}#sidebar{display:none}#app-content{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}#app-header{position:fixed;top:0;left:0;right:0;z-index:50;background:#f6f4efeb;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 4px 20px #00000014;display:flex;justify-content:space-between;align-items:flex-end;padding:var(--safe-top) 20px 12px;min-height:calc(56px + var(--safe-top));flex-shrink:0}.header-left{display:flex;align-items:center;gap:10px}#app-header h1{font-weight:700;font-size:17px;color:var(--on-surface);letter-spacing:-.3px}.header-right{display:flex;align-items:center;gap:4px}#profile-btn,#readmode-btn{background:none;border:none;cursor:pointer;color:var(--on-surface-muted);padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:color .2s,background .2s}#settings-btn:hover,#readmode-btn:hover{color:var(--primary);background:#fe4d0114}#tab-home,#tab-grammar{display:none;flex:1;flex-direction:column;align-items:center;overflow:hidden;margin-top:calc(56px + var(--safe-top))}#tab-home.active{display:flex;justify-content:flex-start;align-items:stretch}#tab-home.active #home-dashboard{display:flex}#tab-grammar.active{display:flex;align-items:stretch;position:relative}#home-dashboard{display:none;flex-direction:column;gap:10px;width:100%;padding:8px 16px calc(16px + var(--safe-bottom));overflow-y:auto}.hd-smart-btn{background:var(--primary);border:none;border-radius:16px;padding:12px 16px 14px;cursor:pointer;width:100%;transition:opacity 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solid var(--outline);border-radius:18px;overflow:hidden;transition:opacity .22s ease,transform .1s ease;width:100%;cursor:pointer;box-shadow:0 4px 16px -8px #0000001f}#hfp-card:active{transform:scale(.99);opacity:.9}#hfp-card.fading{opacity:0}#hfp-body{display:flex;align-items:flex-start;gap:14px;padding:18px 18px 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.15s}.rd-sub__btn:active{background:var(--surface-low)}.rd-sub__icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--surface-low);flex-shrink:0}.rd-sub__body{flex:1;min-width:0}.rd-sub__title{font-size:13px;font-weight:600;color:var(--on-surface)}.rd-sub__meta{font-size:11px;color:var(--on-surface-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#hd-les-card{background:var(--surface-high);border:1px solid var(--outline);border-radius:14px;padding:12px 16px;cursor:pointer}#hd-les-card:active{opacity:.7}.hd-les-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.hd-les-title{font-size:13px;font-weight:700;color:var(--on-surface)}.hd-les-pct{font-size:12px;font-weight:600;color:var(--on-surface-muted)}.hd-les-bar{height:5px;border-radius:99px;background:var(--surface-highest);overflow:hidden}.hd-les-fill{height:100%;border-radius:99px;background:var(--primary);transition:width .4s ease}.hd-les-fill.complete{background:#22c55e}#hd-study-btn{background:var(--primary);border:none;border-radius:16px;padding:12px 20px 18px;cursor:pointer;width:100%;transition:opacity .15s}#hd-study-btn:active{opacity:.85}.hd-study-label{display:block;font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#ffffff8c;margin-bottom:10px;text-align:left}.hd-study-inner{display:flex;align-items:center;gap:14px}.hd-study-icon{font-size:28px;color:#fff;font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24;flex-shrink:0}.hd-study-text{display:flex;flex-direction:column;gap:2px;flex:1;text-align:left}.hd-study-title{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.3px}.hd-study-sub{font-size:12px;font-weight:500;color:#ffffffb3}#hd-quick-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.hd-quick-btn{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--surface-high);border:1px solid var(--outline);border-radius:14px;padding:14px 10px;cursor:pointer;font-family:inherit;transition:background .15s}.hd-quick-btn:active{background:var(--surface-low)}.hd-quick-btn .material-symbols-outlined{font-size:22px;color:var(--on-surface)}.hd-quick-btn span:last-child{font-size:12px;font-weight:600;color:var(--on-surface-muted)}#study-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--surface);transform:translateY(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);z-index:200;display:flex;flex-direction:column}#study-overlay.open{transform:translateY(0)}#study-overlay-header{display:flex;align-items:center;justify-content:space-between;padding:max(14px,var(--safe-top)) 12px 10px;flex-shrink:0}#study-back-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:none;border:none;cursor:pointer;color:var(--on-surface);transition:background .15s}#study-back-btn:active{background:var(--surface-low)}#study-back-btn .material-symbols-outlined{font-size:22px}#study-overlay-title{font-size:15px;font-weight:700;color:var(--on-surface)}#study-counter{display:flex;flex-direction:column;align-items:flex-end;gap:3px;min-width:40px}#study-counter span{font-size:11px;font-weight:600;color:var(--on-surface-muted);background:var(--surface-low);border-radius:8px;padding:2px 7px;white-space:nowrap}#study-counter span:empty{display:none}#tab-profile{display:none;flex:1;flex-direction:column;overflow-y:auto;margin-top:calc(56px + var(--safe-top));padding:20px 20px calc(20px + var(--safe-bottom));gap:16px}#tab-profile.active{display:flex}.profile-card-time{display:flex;align-items:center;gap:16px}.time-icon{width:48px;height:48px;border-radius:14px;flex-shrink:0;background:#fe4d011f;display:flex;align-items:center;justify-content:center}.time-icon .material-symbols-outlined{font-size:24px;color:var(--primary)}.time-value{font-size:24px;font-weight:800;color:var(--on-surface)}.time-label{font-size:12px;color:var(--on-surface-muted);margin-top:2px;font-weight:500}.streak-card{background:linear-gradient(135deg,#fe4d01,#c93b00);border-radius:20px;padding:24px;display:flex;align-items:center;gap:18px;color:#fff;box-shadow:0 8px 24px #fe4d0147;flex-shrink:0}.streak-flame{font-size:52px;line-height:1}.streak-count{font-size:48px;font-weight:800;line-height:1}.streak-label{font-size:15px;font-weight:600;opacity:.92;margin-top:2px}.streak-sublabel{font-size:12px;opacity:.72;margin-top:4px}.profile-card{background:var(--surface-low);border:1px solid var(--outline);border-radius:20px;padding:20px;flex-shrink:0}.profile-card-title{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--on-surface-muted);margin-bottom:14px}.q-progress-wrap{display:flex;align-items:center;gap:12px;margin-bottom:8px}.q-progress-track{flex:1;height:8px;background:#00000014;border-radius:4px;overflow:hidden}.q-progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .4s ease;box-shadow:0 0 8px #fe4d0159}.q-progress-fill.complete{background:#22c55e;box-shadow:0 0 8px #22c55e59}.q-progress-num{font-size:13px;font-weight:700;color:var(--on-surface);white-space:nowrap}.q-progress-sub{font-size:12px;color:var(--on-surface-muted)}.type-list{display:flex;flex-direction:column;gap:11px}.type-row{display:flex;align-items:center;gap:12px}.type-check{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.type-check.done{background:var(--primary);color:#fff}.type-check.todo{border:2px dashed rgba(0,0,0,.18);color:transparent}.type-name{font-size:14px;font-weight:600}.type-name.done{color:var(--on-surface)}.type-name.todo{color:var(--on-surface-muted)}.skip-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.skip-desc{font-size:13px;color:var(--on-surface-muted);flex:1}.skip-badge{font-size:12px;font-weight:700;padding:5px 12px;border-radius:20px;white-space:nowrap}.skip-badge.available{background:#fe4d011f;color:var(--primary)}.skip-badge.used{background:#0000000f;color:var(--on-surface-muted)}.goal-complete-banner{background:#22c55e1f;border:1px solid rgba(34,197,94,.3);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:#16a34a;flex-shrink:0}#bottom-nav{display:flex;background:#f6f4eff5;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:24px 24px 0 0;box-shadow:0 -8px 32px #00000014;padding-bottom:var(--safe-bottom);padding-top:4px;flex-shrink:0}.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 0 10px;gap:4px;background:none;border:none;cursor:pointer;color:#706d6580;font-size:10px;font-family:Manrope,sans-serif;font-weight:700;letter-spacing:1px;text-transform:uppercase;transition:color .2s}.nav-btn .nav-icon-wrap{border-radius:16px;padding:4px 18px;transition:background .2s;display:flex;align-items:center}.nav-btn.active{color:var(--primary)}.nav-btn.active .nav-icon-wrap{background:#fe4d011a;box-shadow:0 0 15px #fe4d011a}#grammar-list-view{flex:1;overflow-y:auto;width:100%;padding:16px 16px calc(16px + var(--safe-bottom));display:flex;flex-direction:column;gap:12px}.grammar-section-label{font-size:10px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--on-surface-muted);margin-top:8px}.grammar-topic-card{width:100%;background:var(--surface-low);border:1px solid var(--outline);border-radius:18px;padding:16px 18px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:border-color .2s,background .2s}.grammar-topic-card:active{border-color:var(--primary);background:#fe4d010d}.grammar-topic-icon{width:44px;height:44px;border-radius:12px;background:#fe4d011a;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary)}.grammar-topic-info{flex:1;min-width:0}.grammar-topic-title{font-size:15px;font-weight:700;color:var(--on-surface)}.grammar-topic-sub{font-size:12px;color:var(--on-surface-muted);margin-top:2px}.grammar-topic-meta{font-size:11px;color:var(--on-surface-muted);margin-top:4px;opacity:.7}.grammar-topic-arrow{color:var(--on-surface-muted);opacity:.35;flex-shrink:0}#grammar-topic-view{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface);display:flex;flex-direction:column;transform:translate(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);z-index:10}#grammar-topic-view.open{transform:translate(0)}#grammar-topic-nav{display:flex;align-items:center;gap:10px;padding:12px 16px 10px;border-bottom:1px solid var(--outline);flex-shrink:0}#grammar-back-btn{background:none;border:none;cursor:pointer;color:var(--primary);display:flex;align-items:center;gap:2px;font-size:14px;font-weight:700;font-family:Manrope,sans-serif;padding:4px 0}#grammar-topic-nav-title{font-size:15px;font-weight:700;color:var(--on-surface)}#grammar-topic-body{flex:1;min-height:0;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:14px}#grammar-topic-body>*{flex-shrink:0}.gs-intro{font-size:14px;line-height:1.75;color:var(--on-surface);background:#fe4d010f;border-left:3px solid var(--primary);border-radius:0 12px 12px 0;padding:14px 16px}.gs-rule{background:var(--surface-low);border:1px solid var(--outline);border-radius:16px;padding:16px}.gs-rule-title{font-size:11px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px}.gs-rule-body{font-size:14px;line-height:1.65;color:var(--on-surface);margin-bottom:10px}.gs-rule-examples{display:flex;flex-direction:column;gap:6px}.gs-rule-example{background:var(--surface);border-radius:10px;padding:8px 12px}.gs-rule-example-nl{font-size:13px;font-weight:600;color:var(--on-surface);font-family:Inter,sans-serif}.gs-rule-example-en{font-size:12px;color:var(--on-surface-muted);margin-top:1px}.gs-table-wrap{border:1px solid var(--outline);border-radius:16px;overflow:hidden}.gs-table-title{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--on-surface-muted);padding:10px 14px 8px;background:var(--surface-low);border-bottom:1px solid var(--outline)}.gs-table{width:100%;border-collapse:collapse}.gs-table-head th{font-size:11px;font-weight:700;color:var(--on-surface-muted);padding:7px 12px;text-align:left;background:var(--surface-low);border-bottom:1px solid var(--outline)}.gs-table-row{cursor:pointer;transition:background .15s}.gs-table-row:not(:last-of-type){border-bottom:1px solid rgba(0,0,0,.05)}.gs-table-row:active{background:#fe4d010d}.gs-table-row td{padding:10px 12px;font-size:13px;vertical-align:middle}.gs-table-row td:first-child{color:var(--on-surface-muted);font-size:12px}.gs-table-row td:nth-child(2){font-weight:700;color:var(--primary)}.gs-table-row td:nth-child(3){font-size:11px;color:var(--on-surface-muted);font-style:italic}.gs-table-row .gs-expand-hint{font-size:11px;color:var(--on-surface-muted);opacity:.5}.gs-table-expand{background:#fe4d010a;display:none}.gs-table-expand.open{display:table-row}.gs-table-expand td{padding:8px 12px 11px;border-top:1px dashed rgba(254,77,1,.2)}.gs-table-expand-nl{font-size:13px;font-weight:600;color:var(--on-surface)}.gs-table-expand-en{font-size:12px;color:var(--on-surface-muted);margin-top:2px}.gs-exercise{background:var(--surface-low);border:1px solid var(--outline);border-radius:16px;padding:16px}.gs-exercise-q{font-size:14px;font-weight:600;color:var(--on-surface);margin-bottom:12px;line-height:1.5}.gs-exercise-row{display:flex;gap:8px;margin-bottom:6px}.gs-exercise-input{flex:1;border:1.5px solid var(--outline);border-radius:10px;padding:10px 14px;font-size:14px;font-family:Manrope,sans-serif;background:var(--surface);color:var(--on-surface);outline:none;transition:border-color .2s}.gs-exercise-input:focus{border-color:var(--primary)}.gs-exercise-input.ok{border-color:#22c55e;background:#22c55e0f}.gs-exercise-input.err{border-color:#ef4444;background:#ef44440f}.gs-exercise-check{background:transparent;color:var(--primary);border:1.5px solid var(--primary);border-radius:10px;padding:10px 16px;font-size:13px;font-weight:700;font-family:Manrope,sans-serif;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}.gs-exercise-check:active{background:#fe4d011a}.gs-exercise-check:disabled{opacity:.3;cursor:default}.gs-exercise-feedback{font-size:13px;font-weight:600;min-height:18px}.gs-exercise-feedback.ok{color:#16a34a}.gs-exercise-feedback.err{color:#ef4444}.gs-exercise-hint{font-size:12px;color:var(--on-surface-muted);margin-top:6px;font-style:italic}.gs-practice{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:16px;padding:20px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;box-shadow:0 4px 16px #fe4d0140;border:none;width:100%;font-family:Manrope,sans-serif;text-align:left}.gs-practice-label{font-size:15px;font-weight:700;color:#fff}.gs-practice-sub{font-size:12px;color:#ffffffbf;margin-top:2px}.gs-practice-icon{color:#fff}.gs-story-wrap{margin:4px 0 8px}.gs-story-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.gs-story-title{font-size:16px;font-weight:700;color:var(--on-surface)}.gs-story-play-all{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:20px;border:none;background:var(--primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer}.gs-story-play-all .material-symbols-outlined{font-size:18px}.gs-story-para{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}.gs-story-play{flex-shrink:0;padding:4px;border:none;background:none;color:var(--primary);cursor:pointer;margin-top:1px}.gs-story-play .material-symbols-outlined{font-size:20px}.gs-story-text{margin:0;line-height:1.65;font-size:15px;color:var(--on-surface)}.gs-mcq-wrap{margin:4px 0 8px}.gs-mcq-title{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--on-surface)}.gs-mcq-q{margin-bottom:20px}.gs-mcq-question{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--on-surface)}.gs-mcq-options{display:flex;flex-direction:column;gap:8px}.gs-mcq-opt{padding:10px 14px;border-radius:10px;border:1.5px solid var(--surface-highest);background:var(--surface-low);color:var(--on-surface);font-size:14px;text-align:left;cursor:pointer;transition:background .15s,border-color .15s}.gs-mcq-opt:active:not(:disabled){background:var(--surface-high)}.gs-mcq-opt.gs-mcq-correct{background:#dcfce7;border-color:#16a34a;color:#15803d;font-weight:600}.gs-mcq-opt.gs-mcq-wrong{background:#fee2e2;border-color:#dc2626;color:#b91c1c}.gs-mcq-opt.gs-mcq-wrong-opt:disabled{opacity:.45}.gs-mcq-feedback{margin-top:8px;font-size:13px;font-weight:600}.gs-mcq-feedback.ok{color:#16a34a}.gs-mcq-feedback.err{color:#dc2626}#grammar-page-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 16px calc(10px + var(--safe-bottom));border-top:1px solid var(--outline);flex-shrink:0;background:var(--surface)}#grammar-page-footer.hidden{display:none}.grammar-page-nav-btn{background:var(--surface-low);border:1.5px solid var(--outline);border-radius:12px;padding:9px 18px;font-size:13px;font-weight:700;font-family:Manrope,sans-serif;color:var(--on-surface);cursor:pointer;transition:background .18s,border-color .18s,opacity .18s;display:flex;align-items:center;gap:2px}.grammar-page-nav-btn:disabled{opacity:.25;cursor:default}.grammar-page-nav-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.grammar-page-nav-btn:not(:disabled):active{background:var(--surface-highest)}.grammar-page-nav-btn.primary:not(:disabled):active{background:var(--secondary);border-color:var(--secondary)}#grammar-page-dots{display:flex;gap:5px;align-items:center}.grammar-dot{width:7px;height:7px;border-radius:50%;background:var(--outline);transition:background .2s,transform .2s,opacity .2s;flex-shrink:0}.grammar-dot.active{background:var(--primary);transform:scale(1.4)}.grammar-dot.done{background:var(--primary);opacity:.35;transform:scale(1)}.gs-summary-reveal{background:#22c55e12;border:1.5px dashed #22c55e;border-radius:16px;padding:18px 16px;text-align:center;cursor:pointer;font-family:Manrope,sans-serif;transition:background .2s}.gs-summary-reveal:active{background:#22c55e24}.gs-summary-reveal-title{font-size:14px;font-weight:700;color:#16a34a;margin-bottom:4px}.gs-summary-reveal-sub{font-size:12px;color:var(--on-surface-muted)}.gs-topic-complete-banner{background:#22c55e14;border:1px solid rgba(34,197,94,.25);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:10px}.gs-topic-complete-icon{font-size:22px}.gs-topic-complete-text{font-size:13px;font-weight:700;color:#16a34a}#progress{width:100%;flex-shrink:0;padding:6px 16px 2px}#progress-track{width:100%;height:2px;background:var(--outline)}#progress-fill{height:2px;background:var(--primary);transition:width .4s ease;box-shadow:0 0 8px #fe4d0166}#progress-label{text-align:center;font-size:11px;color:var(--on-surface-muted);margin-top:6px;letter-spacing:.5px;font-weight:500}#curriculum-popup-backdrop,#daily-popup-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}#curriculum-popup-backdrop.open,#daily-popup-backdrop.open{display:block}#curriculum-popup,#daily-popup{position:fixed;bottom:0;left:0;right:0;z-index:201;background:var(--surface);border-radius:24px 24px 0 0;padding:0 0 calc(24px + var(--safe-bottom));transform:translateY(100%);transition:transform .32s cubic-bezier(.32,.72,0,1);max-height:80vh;overflow-y:auto}#curriculum-popup.open,#daily-popup.open{transform:translateY(0)}#curriculum-popup-handle,#daily-popup-handle{width:36px;height:4px;border-radius:2px;background:var(--outline);margin:12px auto 4px}#curriculum-popup-title,#daily-popup-title{font-size:17px;font-weight:700;color:var(--on-surface);padding:8px 20px 14px;border-bottom:1px solid var(--outline)}#curriculum-popup-list,#daily-popup-list{padding:10px 16px 0;display:flex;flex-direction:column;gap:8px}.cp-section-label{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:.6px;padding:6px 4px 2px}.cp-row{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:14px;background:var(--surface-high);cursor:pointer;transition:opacity .15s}.cp-row:active{opacity:.7}.cp-row.cp-done{opacity:.55;cursor:default}.cp-row-icon{width:36px;height:36px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#fe4d011f}.cp-row-icon .material-symbols-outlined{font-size:20px;color:var(--primary)}.cp-row.cp-done .cp-row-icon{background:#4ade801f}.cp-row.cp-done .cp-row-icon .material-symbols-outlined{color:#4ade80}.cp-row-body{flex:1;min-width:0}.cp-row-title{font-size:15px;font-weight:600;color:var(--on-surface)}.cp-row-sub{font-size:12px;color:var(--on-surface-muted);margin-top:1px}.cp-row-status{font-size:12px;font-weight:700;padding:3px 9px;border-radius:8px;flex-shrink:0;background:#fe4d011f;color:var(--primary)}.cp-row.cp-done .cp-row-status{background:#4ade801f;color:#4ade80}.cp-info-row{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:14px;background:var(--surface-high)}.cp-info-row .cp-row-icon{background:#ffffff0f}.cp-info-row .cp-row-icon .material-symbols-outlined{color:var(--on-surface-muted)}.cp-info-row.cp-done .cp-row-icon{background:#4ade801f}.cp-info-row.cp-done .cp-row-icon .material-symbols-outlined{color:#4ade80}#home-curriculum-bar{display:flex;flex-direction:column;padding:12px 16px 8px;flex-shrink:0;gap:10px}.hcb-streak-card{background:var(--surface-high);border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:14px;border:1px solid var(--outline);width:100%;cursor:pointer;font-family:inherit;text-align:left;transition:opacity .15s}.hcb-streak-card:active{opacity:.8}.hcb-streak-right{display:flex;align-items:center;gap:6px;flex-shrink:0;margin-left:auto}.hcb-ring-wrap{position:relative;width:52px;height:52px;flex-shrink:0}.hcb-ring-inner{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center}.hcb-ring-check{font-size:20px;color:#22c55e;font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.hcb-ring-pct{font-size:11px;font-weight:800;color:var(--primary)}.hcb-streak-body{flex:1;min-width:0}.hcb-streak-title-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.hcb-streak-title{font-size:14px;font-weight:700;color:var(--on-surface)}.hcb-streak-day{font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--primary);background:#fe4d011f;padding:2px 8px;border-radius:999px}.hcb-streak-meta{font-size:12px;color:var(--on-surface-muted)}.hcb-streak-meta b{color:var(--on-surface);font-weight:700}.hcb-rows{background:var(--surface-high);border-radius:16px;border:1px solid var(--outline);overflow:hidden;margin-bottom:4px}.hcb-rows--complete{border-color:#4ade8059}.hcb-row{display:flex;align-items:center;gap:12px;padding:13px 16px;width:100%;background:none;border:none;cursor:pointer;font-family:inherit;text-align:left}.hcb-row+.hcb-row{border-top:1px solid var(--outline)}.hcb-row:active{background:var(--surface-low)}.hcb-row-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}.hcb-row-icon--orange{background:#fe4d011f;color:var(--primary)}.hcb-row-icon--green{background:#22c55e26;color:#22c55e}.hcb-row-body{flex:1;min-width:0}.hcb-row-title{font-size:14px;font-weight:600;color:var(--on-surface);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hcb-row-sub{font-size:11px;color:var(--on-surface-muted);margin-top:2px}.hcb-row-right{display:flex;align-items:center;gap:6px;flex-shrink:0}.hcb-badge{font-size:11px;font-weight:700;background:#ffffff14;color:var(--on-surface-muted);padding:2px 8px;border-radius:999px;font-variant-numeric:tabular-nums}.hcb-badge--green{background:#22c55e26;color:#22c55e}.hcb-row--complete .hcb-row-title{color:#4ade80}.hcb-row--complete .hcb-row-sub{color:#4ade80b3}#home-curriculum-bar.curriculum-bar-complete .hcb-streak-card{border-color:#4ade8059}#home-back-to-plan-btn{font-size:11px;font-weight:700;color:var(--primary);background:none;border:1.5px solid var(--primary);border-radius:8px;padding:4px 10px;cursor:pointer;white-space:nowrap;flex-shrink:0}.hcb-mode-toggle{background:var(--surface-high);border:1px solid var(--outline);border-radius:16px;overflow:hidden}.hcb-mode-row{display:flex;align-items:center;transition:background .15s}.hcb-mode-row--active{background:#fe4d010f}.hcb-mode-main{display:flex;align-items:center;gap:10px;flex:1;padding:13px 14px;background:none;border:none;cursor:pointer;font-family:inherit;text-align:left}.hcb-mode-main:active{opacity:.7}.hcb-mode-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:var(--outline);transition:background .2s}.hcb-mode-dot--on{background:var(--primary)}.hcb-mode-body{flex:1;min-width:0}.hcb-mode-title{font-size:13px;font-weight:600;color:var(--on-surface)}.hcb-mode-sub{font-size:11px;color:var(--on-surface-muted);margin-top:2px}.hcb-mode-divider{height:1px;background:var(--outline)}.hcb-kies-btn{padding:5px 11px;margin-right:12px;flex-shrink:0;border:1px solid var(--outline);border-radius:20px;background:none;font-size:11px;font-weight:600;color:var(--primary);cursor:pointer;font-family:inherit}.hcb-kies-btn:active{background:var(--surface-low)}#home-curriculum-rows{display:flex;flex-direction:column;width:100%}.hcb-head{display:flex;align-items:center;justify-content:space-between}.hcb-divider{height:1px;background:var(--outline);margin:10px 0}.hcb-custom-row{display:flex;align-items:center;justify-content:space-between}.cb-les{color:var(--primary);font-weight:700;white-space:nowrap}.cb-pill{padding:2px 7px;border-radius:20px;font-size:11px;font-weight:700;background:#fe4d011a;color:var(--primary);white-space:nowrap}.cb-pill.cb-done{background:#4ade8026;color:#4ade80}.qdb-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.qdb-row-label{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:.04em;word-break:break-word}.qdb-row-done .qdb-row-label{color:#4ade80}.qdb-chevron{font-size:18px;color:var(--on-surface-muted);opacity:.35;flex-shrink:0}.qdb-pills{display:flex;flex-wrap:wrap;gap:6px}#deck-curriculum-bar.curriculum-bar-complete{background:#4ade801a;border-color:#4ade8059}#deck-curriculum-bar.curriculum-bar-complete #deck-curriculum-label{color:#4ade80}#les-complete-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:300}#les-complete-backdrop.open{display:block}#les-complete-popup{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.88);z-index:301;width:min(340px,calc(100vw - 40px));background:var(--surface);border-radius:28px;padding:32px 24px 24px;text-align:center;opacity:0;pointer-events:none;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .25s ease}#les-complete-popup.open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}#les-complete-emoji{font-size:52px;margin-bottom:12px}#les-complete-title{font-size:22px;font-weight:800;color:var(--on-surface);margin-bottom:8px}#les-complete-sub{font-size:14px;color:var(--on-surface-muted);line-height:1.5;margin-bottom:24px}#les-complete-btns{display:flex;flex-direction:column;gap:10px}#les-complete-next-btn{padding:14px;border-radius:14px;background:var(--primary);color:#fff;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:opacity .15s}#les-complete-next-btn:active{opacity:.8}#les-complete-repeat-btn{padding:13px;border-radius:14px;background:var(--surface-high);color:var(--on-surface-muted);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:opacity .15s}#les-complete-repeat-btn:active{opacity:.7}#daily-goal-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:298}#daily-goal-backdrop.open{display:block}#daily-goal-popup{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.88);z-index:299;width:min(340px,calc(100vw - 40px));background:var(--surface);border-radius:28px;padding:36px 24px 28px;text-align:center;opacity:0;pointer-events:none;transition:transform .35s cubic-bezier(.34,1.56,.64,1),opacity .25s ease}#daily-goal-popup.open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}#daily-goal-emoji{font-size:60px;margin-bottom:14px;animation:none}#daily-goal-popup.open #daily-goal-emoji{animation:goalBounce .6s cubic-bezier(.34,1.56,.64,1) .2s both}@keyframes goalBounce{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}#daily-goal-title{font-size:24px;font-weight:800;color:var(--on-surface);margin-bottom:6px}#daily-goal-streak{font-size:18px;font-weight:700;color:#fe4d01;margin-bottom:10px}#daily-goal-sub{font-size:13px;color:var(--on-surface-muted);line-height:1.55;margin-bottom:26px}#daily-goal-close-btn{width:100%;padding:15px;border-radius:14px;background:linear-gradient(135deg,#fe4d01,#c93b00);color:#fff;font-size:16px;font-weight:700;cursor:pointer;border:none;box-shadow:0 4px 16px #fe4d0159;transition:opacity .15s,transform .1s}#daily-goal-close-btn:active{opacity:.85;transform:scale(.98)}#curriculum-popup-journey-btn,#daily-popup-quiz-btn{display:flex;align-items:center;justify-content:center;gap:8px;margin:14px 16px 0;padding:13px 16px;width:calc(100% - 32px);background:#fe4d0114;border:1.5px solid rgba(254,77,1,.25);border-radius:14px;font-size:14px;font-weight:700;color:var(--primary);cursor:pointer;transition:background .15s}#curriculum-popup-journey-btn:active,#daily-popup-quiz-btn:active{background:#fe4d0129}#curriculum-popup-journey-btn .material-symbols-outlined,#daily-popup-quiz-btn .material-symbols-outlined{font-size:18px}#grammar-les-list-view{flex:1;overflow-y:auto;padding:0 16px 32px;width:100%;box-sizing:border-box}#grammar-les-journey{display:flex;flex-direction:column;padding:4px 0 16px}.sj-les-row{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background .15s}.sj-les-row+.sj-les-row{border-top:1px solid var(--outline)}.sj-les-row--current{background:#fe4d010d}.sj-les-row--locked{opacity:.4}.sj-les-row--done:active,.sj-les-row--current:active,.sj-les-row--locked:active{background:var(--surface-low)}.sj-les-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;border:2px solid var(--outline);background:transparent;transition:background .15s,border-color .15s}.sj-les-dot--done{background:#22c55e;border-color:#22c55e}.sj-les-dot--current{background:var(--primary);border-color:var(--primary)}.sj-les-info{flex:1;min-width:0}.sj-les-row-num{font-size:10px;font-weight:600;color:var(--on-surface-muted);margin-bottom:1px}.sj-les-row-title{font-size:14px;font-weight:600;color:var(--on-surface)}.sj-les-row--done .sj-les-row-title{color:var(--on-surface-muted);font-weight:500}.sj-les-row--current .sj-les-row-title{font-weight:700}.sj-les-end{flex-shrink:0}.sj-les-end--done{font-size:12px;font-weight:700;color:#22c55e}.sj-les-end--current{font-size:18px;color:var(--primary)}.sj-theme{margin-bottom:10px}.sj-thema-row{display:flex;align-items:center;gap:12px;padding:6px 4px 8px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .12s}.sj-thema-row:active{opacity:.7}.sj-thema__body{flex:1;min-width:0}.sj-thema__title{font-size:15px;font-weight:700;color:var(--on-surface);letter-spacing:-.005em;margin-bottom:2px}.sj-thema__meta{font-size:11.5px;color:var(--on-surface-muted);font-weight:500}.sj-thema__right{display:flex;align-items:center;gap:6px;flex-shrink:0}.sj-thema__dot{width:6px;height:6px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 3px #fe4d0133}.sj-theme-chevron{font-size:20px;color:var(--on-surface-muted);transition:transform .2s}.sj-theme-chevron-collapsed{transform:rotate(-90deg)}.sj-theme-body{background:var(--surface-high);border:1px solid var(--outline);border-radius:14px;overflow:hidden;margin-bottom:4px}.sj-section-label{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:.9px;padding:4px 0 8px}.sj-section-label--mt{margin-top:12px}.sj-theme-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px;background:var(--surface-high);color:var(--on-surface-muted)}.sj-theme-badge-done{background:#4ade8026;color:#4ade80}.sj-theme-badge-current{background:#fe4d0126;color:var(--primary)}#grammar-les-detail-view{flex:1;display:flex;flex-direction:column;overflow:hidden;width:100%}#grammar-les-detail-nav{display:flex;align-items:center;gap:8px;padding:12px 16px 8px;flex-shrink:0}#grammar-les-back-btn{display:flex;align-items:center;gap:2px;background:none;border:none;color:var(--primary);font-size:15px;font-weight:600;cursor:pointer;padding:4px 0}#grammar-les-detail-title{flex:1;text-align:center;font-size:15px;font-weight:600;color:var(--on-surface);margin-right:40px}#grammar-les-detail-body{flex:1;overflow-y:auto;padding:0 16px 32px}.sd-hero{padding:16px 0 20px}.sd-hero-num{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.sd-hero-title{font-size:22px;font-weight:800;color:var(--on-surface);margin-bottom:6px}.sd-hero-desc{font-size:14px;color:var(--on-surface-muted);line-height:1.45;margin-bottom:16px}.sd-switch-btn{padding:10px 20px;border-radius:22px;border:2px solid var(--primary);background:none;color:var(--primary);font-size:14px;font-weight:700;cursor:pointer;transition:background .15s,color .15s}.sd-switch-btn:active{background:var(--primary);color:#fff}.sd-section-label{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:.6px;padding:16px 0 8px}.sd-row{display:flex;align-items:center;gap:14px;background:var(--surface-high);border-radius:14px;padding:14px 16px;margin-bottom:8px;cursor:pointer;transition:background .12s}.sd-row:active{background:var(--outline)}.sd-row.sd-disabled{cursor:default;opacity:.4}.sd-row.sd-disabled:active{background:var(--surface-high)}.sd-row-icon{width:38px;height:38px;border-radius:10px;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-shrink:0}.sd-row-icon .material-symbols-outlined{font-size:20px;color:var(--primary)}.sd-row-body{flex:1}.sd-row-title{font-size:15px;font-weight:600;color:var(--on-surface)}.sd-row-sub{font-size:12px;color:var(--on-surface-muted);margin-top:2px}.sd-row-arrow{font-size:20px;color:var(--on-surface-muted)}.sd-deck-count{font-size:12px;color:var(--on-surface-muted);white-space:nowrap}#tab-journey{display:none;flex-direction:column;flex:1;overflow:hidden;background:var(--background);margin-top:calc(56px + var(--safe-top))}#tab-journey.active{display:flex}#journey-nav{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--outline);flex-shrink:0}#journey-back-btn{background:none;border:none;padding:4px;cursor:pointer;color:var(--on-surface);display:flex;align-items:center}#journey-back-btn .material-symbols-outlined{font-size:24px}#journey-nav-title{font-size:17px;font-weight:700;color:var(--on-surface)}#journey-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 20px calc(32px + var(--safe-bottom))}.journey-les{display:flex;gap:16px;align-items:stretch}.journey-left{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:44px}.journey-node{width:44px;height:44px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center}.journey-node .material-symbols-outlined{font-size:20px}.journey-node-active{background:var(--primary);color:#fff;box-shadow:0 0 0 4px #fe4d012e}.journey-node-done{background:#4ade80;color:#0f1c10}.journey-node-locked{background:var(--surface-high);color:var(--on-surface-muted)}.journey-line{flex:1;width:2px;background:var(--outline);margin:4px 0;min-height:16px}.journey-line-done{background:#4ade80}.journey-card{flex:1;padding:14px 16px;border-radius:16px;margin-bottom:12px;border:1.5px solid var(--outline)}.journey-card-current{border-color:var(--primary);background:#fe4d010f}.journey-card-done{opacity:.65}.journey-card-locked{opacity:.45}.journey-badge{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:2px 8px;border-radius:6px;margin-bottom:6px}.journey-badge-current{background:#fe4d0126;color:var(--primary)}.journey-badge-done{background:#4ade8026;color:#4ade80}.journey-badge-final{background:#a855f726;color:#a855f7}.journey-les-num{font-size:11px;color:var(--on-surface-muted);font-weight:600;margin-bottom:2px}.journey-les-title{font-size:16px;font-weight:700;color:var(--on-surface);margin-bottom:4px}.journey-les-desc{font-size:13px;color:var(--on-surface-muted);line-height:1.4}.journey-switch-btn{margin-top:10px;padding:6px 14px;border-radius:20px;border:1.5px solid var(--primary);background:none;color:var(--primary);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.journey-switch-btn:active{background:var(--primary);color:#fff}.dh-empty{color:var(--on-surface-muted);text-align:center;padding:40px 0;font-size:14px}.dh-picker-wrap{display:flex;flex-direction:column;gap:20px;width:100%;padding:4px 0 24px}.dh-picker-header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 0}.dh-picker-icon{font-size:40px;color:var(--primary)}.dh-picker-heading{font-size:22px;font-weight:800;color:var(--on-surface)}.dh-picker-sub{font-size:14px;color:var(--on-surface-muted)}.dh-topic-link{display:flex;align-items:center;gap:7px;margin-top:12px;padding:10px 14px;background:#a78bfa14;border:1.5px solid rgba(167,139,250,.25);border-radius:12px;cursor:pointer;font-size:13px;font-weight:600;color:#a78bfa;width:100%}.dh-topic-link .material-symbols-outlined{font-size:17px}.dh-topic-arrow{margin-left:auto}.dh-picker-list{display:flex;flex-direction:column;gap:10px}.dh-group-actions{display:flex;gap:8px;justify-content:flex-end;padding:0 2px}#dh-group-list{display:flex;flex-direction:column;gap:0}#dh-group-list .deck-group-name{font-size:9px;letter-spacing:2.5px;color:var(--on-surface-muted);opacity:.6;padding:14px 4px 6px}#dh-group-list .deck-group-header{padding:8px 4px 2px;margin-top:0}#dh-group-list .deck-group-items{gap:6px}#dh-group-list .file-item{padding:13px 14px;border-radius:14px;border:1.5px solid rgba(0,0,0,.07);background:var(--surface-high);gap:12px;transition:border-color .18s,background .18s,transform .12s}#dh-group-list .file-item:active{transform:scale(.985)}#dh-group-list .file-item.selected{border-color:var(--primary);background:#fe4d010f}#dh-group-list .file-item input[type=checkbox]{display:none}#dh-group-list .file-name{font-size:14px;font-weight:700}.dh-picker-item{display:flex;align-items:center;gap:14px;background:var(--surface-high);border-radius:16px;padding:16px;cursor:pointer;-webkit-user-select:none;user-select:none;border:2px solid transparent;transition:border-color .15s,background .15s}.dh-picker-item.selected{border-color:var(--primary);background:#fe4d010d}.dh-picker-check{width:26px;height:26px;border-radius:8px;flex-shrink:0;background:var(--surface);border:2px solid var(--outline);display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s}.dh-picker-item.selected .dh-picker-check{background:var(--primary);border-color:var(--primary)}.dh-picker-check .material-symbols-outlined{font-size:16px;color:#fff;opacity:0;transition:opacity .1s}.dh-picker-item.selected .dh-picker-check .material-symbols-outlined{opacity:1}.dh-picker-info{flex:1}.dh-picker-name{font-size:15px;font-weight:600;color:var(--on-surface)}.dh-start-btn{width:100%;padding:16px;border-radius:16px;background:var(--primary);color:#fff;border:none;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 4px 16px #fe4d0159}.dh-game-wrap{display:flex;flex-direction:column;width:100%;height:100%;gap:14px}.dh-scorebar{display:flex;flex-direction:column;align-items:center;gap:8px;padding:0 2px}.dh-score-row{display:flex;align-items:center;gap:10px}.dh-score-chip{display:flex;align-items:center;gap:5px;font-size:15px;font-weight:700;padding:5px 12px;border-radius:20px}.dh-score-chip .material-symbols-outlined{font-size:17px}.dh-score-correct{background:#4ade801f;color:#4ade80}.dh-score-wrong{background:#f871711f;color:#f87171}.dh-progress-label{font-size:13px;font-weight:600;color:var(--on-surface-muted)}.dh-progress-label span{opacity:.5}.dh-card-area{flex:none;height:300px;width:100%;position:relative;border-radius:24px;display:flex;align-items:center;justify-content:center;transition:background .1s}.dh-dir-label{position:absolute;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:4px;font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;opacity:.25;pointer-events:none;z-index:0}.dh-dir-label .material-symbols-outlined{font-size:16px}.dh-dir-left{left:12px;color:#60a5fa}.dh-dir-right{right:12px;color:#a78bfa}.dh-card{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface-high);border-radius:24px;box-shadow:0 8px 32px #00000040,0 2px 8px #00000026;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;overflow:hidden;cursor:grab;-webkit-user-select:none;user-select:none;will-change:transform;z-index:1;touch-action:none}.dh-card:active{cursor:grabbing}.dh-stamp{position:absolute;top:24px;padding:6px 14px;border-radius:8px;font-size:22px;font-weight:900;letter-spacing:2px;opacity:0;pointer-events:none;border:3px solid;transform:rotate(-12deg);transition:opacity .05s}.dh-stamp-de{left:20px;color:#60a5fa;border-color:#60a5fa;transform:rotate(-12deg)}.dh-stamp-het{right:20px;color:#a78bfa;border-color:#a78bfa;transform:rotate(12deg)}.dh-card.has-images{padding:0;justify-content:flex-start}.dh-card-images{width:100%;height:55%;display:flex;overflow:hidden;border-radius:24px 24px 0 0;flex-shrink:0}.dh-card-images:empty{display:none}.dh-card-body{flex:1;display:flex;align-items:center;justify-content:center;padding:12px 24px 16px;width:100%;box-sizing:border-box}.dh-card-inner{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;overflow:hidden}.dh-card-word{font-size:clamp(20px,7vw,34px);font-weight:900;color:var(--on-surface);letter-spacing:-.5px;word-break:break-word;line-height:1.1;max-width:100%}.dh-card-english{font-size:clamp(13px,3.5vw,17px);color:var(--on-surface-muted);font-weight:500;word-break:break-word;max-width:100%}.dh-card-example{font-size:12px;color:var(--on-surface-muted);line-height:1.45;font-style:italic;margin-top:4px;padding:7px 12px;background:var(--surface);border-radius:10px;width:100%;box-sizing:border-box;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.dh-action-row{display:flex;gap:12px;flex-shrink:0}.dh-action-btn{flex:1;padding:15px 12px;border-radius:18px;border:2px solid;font-size:17px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s,opacity .12s}.dh-action-btn:active{transform:scale(.95);opacity:.8}.dh-action-icon{font-size:18px;font-weight:900}.dh-action-de{background:#60a5fa1a;color:#60a5fa;border-color:#60a5fa59}.dh-action-het{background:#a78bfa14;color:#a78bfa;border-color:#a78bfa4d}.dh-results-wrap{display:flex;flex-direction:column;gap:16px;width:100%;padding-bottom:32px}.dh-results-hero{text-align:center;padding:12px 0 4px}.dh-results-emoji{font-size:48px;line-height:1;margin-bottom:8px}.dh-results-pct{font-size:52px;font-weight:900;color:var(--on-surface);line-height:1}.dh-results-detail{font-size:13px;color:var(--on-surface-muted);margin-top:8px}.dh-results-btns{display:flex;gap:10px}.dh-btn-primary{flex:1;padding:14px;border-radius:14px;border:none;background:var(--primary);color:#fff;font-size:15px;font-weight:700;cursor:pointer}.dh-btn-secondary{flex:1;padding:14px;border-radius:14px;border:none;background:var(--surface-high);color:var(--on-surface);font-size:15px;font-weight:600;cursor:pointer}.dh-divider-label{font-size:11px;font-weight:700;color:var(--on-surface-muted);text-transform:uppercase;letter-spacing:1px;padding:4px 0}.dh-result-list{display:flex;flex-direction:column;gap:8px}.dh-result-row{display:flex;align-items:center;justify-content:space-between;background:var(--surface-high);border-radius:14px;padding:12px 14px;gap:12px}.dh-result-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.dh-result-badge{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;padding:4px 9px;border-radius:8px;flex-shrink:0}.dh-badge-ok{background:#4ade8026;color:#4ade80}.dh-badge-err{background:#f8717126;color:#f87171}.dh-result-word{font-size:14px;font-weight:600;color:var(--on-surface)}.dh-result-en{font-size:12px;color:var(--on-surface-muted);margin-top:1px}.dh-result-right{flex-shrink:0;font-size:14px;font-weight:700}.dh-verdict-ok{color:#4ade80;font-size:18px}.dh-verdict-err{color:#f87171;font-size:13px}.dh-verdict-err em{font-style:normal;font-weight:800}.dh-feedback-pop{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.4);display:flex;flex-direction:column;align-items:center;gap:4px;opacity:0;z-index:9999;pointer-events:none;transition:transform .18s cubic-bezier(.34,1.56,.64,1),opacity .18s ease-out;will-change:transform,opacity}.dh-feedback-pop.dh-fp-in{transform:translate(-50%,-50%) scale(1);opacity:1}.dh-feedback-pop.dh-fp-out{transform:translate(-50%,-50%) scale(1.25);opacity:0;transition:transform .3s ease-out,opacity .28s ease-out}.dh-fp-num{font-size:56px;font-weight:900;line-height:1;letter-spacing:-1px;text-shadow:0 4px 20px rgba(0,0,0,.18)}.dh-fp-label{font-size:16px;font-weight:700;letter-spacing:1px;text-transform:uppercase;opacity:.85}.dh-feedback-ok .dh-fp-num,.dh-feedback-ok .dh-fp-label{color:#4ade80}.dh-feedback-err .dh-fp-num,.dh-feedback-err .dh-fp-label{color:#f87171}#card-area{flex:1;display:grid;place-items:center;width:100%;min-height:0;overflow:hidden}#card-area>#card-wrap{grid-area:1 / 1}#card-wrap{width:90vw;max-width:480px;height:58vh;max-height:380px;perspective:1200px}.card{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.4,0,.2,1);cursor:pointer}.card.flipped{transform:rotateY(180deg)}.card-edge{position:absolute;top:0;height:100%;width:36%;z-index:10;cursor:pointer;display:flex;align-items:center;opacity:.45;transition:opacity .2s;font-size:38px;color:#151515}.card-edge:hover,.card-edge:active{opacity:.85}.card-edge.left{left:0;justify-content:flex-start;padding-left:14px;border-radius:22px 0 0 22px;background:linear-gradient(to right,rgba(0,0,0,.07),transparent)}.card-edge.right{right:0;justify-content:flex-end;padding-right:14px;border-radius:0 22px 22px 0;background:linear-gradient(to left,rgba(0,0,0,.07),transparent)}.card-front,.card-back{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px 28px;text-align:center;gap:16px}.card-front{background:#fff;border:1.5px solid #fe4d01;box-shadow:0 8px 40px #fe4d011f,0 2px 12px #0000000f}.card-front.has-images{padding:0;overflow:hidden;justify-content:flex-start}.card-images{width:100%;height:45%;display:flex;overflow:hidden;border-radius:20px 20px 0 0;flex-shrink:0}.card-images:empty{display:none}.card-img-wrap{flex:1;min-width:0;position:relative;display:flex}.card-img-wrap+.card-img-wrap{border-left:2px solid #fff}.card-img-wrap img{width:100%;height:100%;object-fit:cover;display:block}.img-report-icon{position:absolute;top:0;right:0;width:52px;height:52px;border-radius:50%;background:transparent;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#ffffffd9;z-index:100;padding:0}.img-report-icon:after{content:"";position:absolute;width:32px;height:32px;border-radius:50%;background:#00000061;transition:background .15s}.img-report-icon:active:after{background:#ef4444bf}.img-report-icon .material-symbols-outlined{font-size:17px;position:relative;z-index:1}.card-front-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 28px 18px;gap:10px;width:100%;box-sizing:border-box;text-align:center}.card-back{background:#fff9f6;border:1.5px solid #d4d1ca;box-shadow:0 8px 40px #00000014,0 2px 12px #0000000a;transform:rotateY(180deg)}.tag{font-size:11px;color:var(--on-surface-muted);letter-spacing:1.5px;text-transform:uppercase}.word{font-size:clamp(1.8rem,6vw,2.8rem);font-weight:700;color:#fe4d01;line-height:1.1;word-break:break-word}.word.word-lg{font-size:clamp(1.4rem,4.5vw,2rem)}.word.word-xl{font-size:clamp(1rem,3.8vw,1.4rem)}.word-en{font-size:clamp(1rem,3.5vw,1.6rem);font-weight:400;color:var(--on-surface-muted)}.sentence-nl{font-size:clamp(.9rem,3vw,1.1rem);color:var(--on-surface-muted);line-height:1.6}.flip-hint{font-size:11px;color:var(--on-surface-muted);opacity:.4;margin-top:4px;letter-spacing:1px}.speak-btn{background:none;border:1.5px solid var(--surface-highest);border-radius:50%;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--on-surface-muted);font-size:17px;transition:border-color .2s,color .2s;flex-shrink:0}.speak-btn:active,.speak-btn.speaking{border-color:#fe4d01;color:#fe4d01}.translation{font-size:clamp(1.5rem,5vw,2.2rem);font-weight:700;color:#151515;line-height:1.2}.sentence-en{font-size:clamp(.85rem,2.8vw,1rem);color:var(--on-surface-muted);font-style:italic;line-height:1.6}#hint{position:fixed;bottom:calc(68px + var(--safe-bottom));font-size:11px;color:#00000026;letter-spacing:.5px}#loading{color:var(--on-surface-muted);font-size:14px;margin:auto;font-weight:500}.done-screen{display:flex;flex-direction:column;align-items:center;gap:20px;color:var(--on-surface-muted);font-size:18px;text-align:center;margin:auto}.done-screen button{background:transparent;border:1.5px solid var(--primary);color:var(--primary);padding:12px 32px;border-radius:50px;font-size:15px;font-family:Manrope,sans-serif;font-weight:600;cursor:pointer;transition:background .2s,color .2s}.done-screen button:hover{background:var(--primary);color:#fff}#readmode-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--surface);z-index:100;flex-direction:column}#readmode-overlay.open{display:flex}#readmode-header{display:flex;align-items:center;justify-content:space-between;padding:calc(14px + var(--safe-top)) 20px 14px;border-bottom:1px solid rgba(0,0,0,.08);background:var(--surface-low);flex-shrink:0}#readmode-header h2{font-size:16px;color:var(--on-surface);font-weight:700;margin:0}#readmode-close{background:#0000000d;border:none;color:var(--on-surface-muted);font-size:16px;cursor:pointer;padding:6px 11px;border-radius:10px;transition:background .2s,color .2s}#readmode-close:hover{background:#fe4d011a;color:var(--primary)}#readmode-search-wrap{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid rgba(0,0,0,.08);background:var(--surface-low);flex-shrink:0}#readmode-search-wrap .material-symbols-outlined{font-size:20px;color:var(--on-surface-muted);flex-shrink:0}#readmode-search{flex:1;border:none;background:transparent;font-size:15px;color:var(--on-surface);outline:none}#readmode-search::placeholder{color:var(--on-surface-muted)}#readmode-list{flex:1;overflow-y:auto;padding:12px 16px calc(16px + var(--safe-bottom))}.read-row{padding:14px 0;border-bottom:1px solid rgba(0,0,0,.06)}.read-word{font-size:17px;font-weight:700;color:var(--primary)}.read-english{font-size:13px;color:#fe4d01;margin-top:2px}.read-nl{font-size:13px;color:var(--on-surface-muted);margin-top:6px;font-style:italic}.read-en{font-size:12px;color:#706d6580;margin-top:2px}#progress-row-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:6px}#deck-chip{display:flex;align-items:center;gap:5px;background:none;border:none;padding:0;font-family:Manrope,sans-serif;font-size:11px;font-weight:600;color:var(--on-surface-muted);cursor:pointer;opacity:.75;transition:opacity .15s}#deck-chip:active{opacity:1}.deck-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex-shrink:0}#deck-sheet-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:200;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:none}#deck-sheet-backdrop.open{display:block}#deck-sheet{position:fixed;bottom:0;left:0;right:0;z-index:201;background:var(--surface);border-radius:24px 24px 0 0;max-height:78vh;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .34s cubic-bezier(.32,.72,0,1);box-shadow:0 -8px 40px #0000001f}#deck-sheet.open{transform:translateY(0)}#deck-sheet-handle{width:40px;height:4px;background:#0000001a;border-radius:2px;margin:14px auto 0;flex-shrink:0}#deck-sheet-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 4px;flex-shrink:0}#deck-sheet-header>span{font-size:18px;font-weight:800;color:var(--on-surface);letter-spacing:-.3px}#deck-sheet-header>div{display:flex;align-items:center;gap:4px}#deck-sheet-close{background:#0000000f;border:none;color:var(--on-surface-muted);cursor:pointer;display:flex;align-items:center;padding:6px;border-radius:50%;transition:background .15s}#deck-sheet-close:active{background:#0000001f}#deck-curriculum-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px;background:#fe4d0112;border-bottom:1px solid rgba(254,77,1,.15);flex-shrink:0}#deck-curriculum-label{font-size:12px;font-weight:600;color:var(--primary);flex:1}#deck-back-to-plan-btn{font-size:12px;font-weight:700;color:var(--primary);background:none;border:1.5px solid var(--primary);border-radius:8px;padding:4px 10px;cursor:pointer;white-space:nowrap}#deck-sheet-list{flex:1;overflow-y:auto;padding:8px 16px 4px;display:flex;flex-direction:column;gap:0}#deck-sheet-list .deck-group-name{font-size:9px;letter-spacing:2.5px;color:var(--on-surface-muted);opacity:.6;padding:14px 4px 6px}#deck-sheet-list .deck-group-header{padding:8px 4px 2px;margin-top:0}#deck-sheet-list .deck-group-items{gap:6px}#deck-sheet-list .file-item{padding:13px 14px;border-radius:14px;border:1.5px solid rgba(0,0,0,.07);background:var(--surface-high);gap:12px;transition:border-color .18s,background .18s,transform .12s}#deck-sheet-list .file-item:active{transform:scale(.985)}#deck-sheet-list .file-item.selected{border-color:var(--primary);background:#fe4d010f}#deck-sheet-list .file-item input[type=checkbox]{display:none}.deck-item-check{width:22px;height:22px;border-radius:50%;border:2px solid rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:transparent;transition:background .18s,border-color .18s,color .18s}.file-item.selected .deck-item-check{background:var(--primary);border-color:var(--primary);color:#fff}#deck-sheet-list .file-name{font-size:14px;font-weight:700}#deck-sheet-footer{padding:12px 16px calc(14px + var(--safe-bottom));flex-shrink:0;border-top:1px solid rgba(0,0,0,.06)}#deck-sheet-study-btn{width:100%;padding:15px;background:linear-gradient(135deg,#fe4d01,#d94000);color:#fff;border:none;border-radius:14px;font-family:Manrope,sans-serif;font-size:15px;font-weight:800;cursor:pointer;letter-spacing:-.2px;box-shadow:0 4px 16px #fe4d0159;transition:opacity .15s}#deck-sheet-study-btn:active{opacity:.85}.decks-header{display:flex;align-items:center;justify-content:space-between}.decks-header-actions{display:flex;gap:6px}.deck-select-btn{font-size:11px;font-weight:600;font-family:Manrope,sans-serif;color:var(--primary);background:none;border:none;cursor:pointer;padding:2px 4px;opacity:.8}.deck-select-btn:hover{opacity:1}.deck-group-header{display:flex;align-items:center;justify-content:space-between;padding:10px 4px 4px;margin-top:4px;cursor:pointer}.deck-group-left{display:flex;align-items:center;gap:4px}.deck-group-chevron{font-size:16px;color:var(--on-surface-muted);transition:transform .2s;flex-shrink:0}.deck-group-name{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--on-surface-muted)}.deck-group-checkbox{accent-color:var(--primary);width:16px;height:16px;cursor:pointer;flex-shrink:0}.deck-group-items{display:none;flex-direction:column;gap:8px;padding-bottom:4px}.deck-group-items.expanded{display:flex}#file-list{overflow-y:auto;display:flex;flex-direction:column;gap:8px;flex:1}.file-item{display:flex;align-items:center;gap:12px;background:#00000005;border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:12px 14px;cursor:pointer;transition:border-color .2s,background .2s}.file-item:hover{background:#0000000a}.file-item.selected{border-color:#fe4d0166;background:#fe4d010d}.file-item input[type=checkbox]{accent-color:var(--primary);width:16px;height:16px;cursor:pointer;flex-shrink:0}.file-label{display:flex;flex-direction:column;gap:2px}.file-name{font-size:13px;color:var(--on-surface);font-weight:600}.file-count{font-size:11px;color:var(--on-surface-muted)}.btn{padding:10px 22px;border-radius:50px;font-size:13px;font-weight:600;font-family:Manrope,sans-serif;cursor:pointer;border:1px solid rgba(0,0,0,.12);background:#0000000a;color:var(--on-surface-muted);transition:all .2s}.btn:hover{border-color:#0003;color:var(--on-surface)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 20px #f59e0b4d}.btn.primary:hover{background:#e54501}#tab-quiz{display:none;flex:1;flex-direction:column;align-items:center;overflow-y:auto;margin-top:calc(56px + var(--safe-top));padding:0 20px calc(20px + var(--safe-bottom))}#tab-quiz.active{display:flex}#quiz-progress-wrap{width:100%;max-width:480px;padding:18px 0 10px;flex-shrink:0}#quiz-top-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:10px;position:relative}#quiz-restart-header-btn{position:absolute;right:0;background:none;border:none;padding:4px;cursor:pointer;color:var(--on-surface-muted);display:flex;align-items:center;border-radius:50%;transition:color .15s,background .15s}#quiz-restart-header-btn:hover{color:var(--primary);background:#fe4d0114}#quiz-restart-header-btn .material-symbols-outlined{font-size:20px}#quiz-dots{display:flex;gap:7px;justify-content:center}.qdot{width:10px;height:10px;border-radius:50%;background:var(--outline);transition:background .3s,transform .2s;flex-shrink:0}.qdot.correct{background:#22c55e;transform:scale(1.15)}.qdot.wrong{background:#ef4444;transform:scale(1.15)}.qdot.current{background:var(--primary);transform:scale(1.2)}#quiz-score-lbl{text-align:center;font-size:11px;color:var(--on-surface-muted);font-weight:600;letter-spacing:1px;text-transform:uppercase}#quiz-body{flex:1;width:100%;max-width:480px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding-bottom:20px}#quiz-card{width:100%;background:var(--surface-high);border:1.5px solid var(--outline);border-radius:22px;padding:26px 22px 22px;display:flex;flex-direction:column;gap:10px;box-shadow:0 8px 32px #0000000f;overflow:hidden}#quiz-card.has-images{padding:0}.quiz-card-images{width:100%;height:160px;display:flex;overflow:hidden;border-radius:20px 20px 0 0;flex-shrink:0}.quiz-card-images:empty{display:none}.quiz-card-body{display:flex;flex-direction:column;gap:10px;padding:16px 22px 22px}#quiz-counter{font-size:10px;color:var(--on-surface-muted);letter-spacing:2px;text-transform:uppercase;font-weight:700}#quiz-sentence{font-size:clamp(1rem,3.5vw,1.25rem);color:var(--on-surface);line-height:1.65;font-weight:600}.quiz-blank{color:var(--primary);font-weight:800;letter-spacing:3px}#quiz-hint{font-size:clamp(.82rem,2.6vw,.95rem);color:var(--on-surface-muted);font-style:italic;line-height:1.55;border-top:1px solid rgba(0,0,0,.06);padding-top:10px;margin-top:2px}#quiz-input-row{display:flex;gap:10px;width:100%;align-items:center}#quiz-word-lbl{font-size:13px;font-weight:700;color:var(--on-surface-muted);background:var(--surface-low);border:1px solid var(--outline);border-radius:10px;padding:6px 10px;white-space:nowrap;flex-shrink:0}#quiz-infinitive-hint{display:flex;align-items:center;gap:8px;margin:2px 0 4px}#quiz-infinitive-btn{font-size:12px;font-weight:600;color:var(--on-surface-muted);background:none;border:1px dashed var(--outline);border-radius:8px;padding:4px 10px;cursor:pointer}#quiz-infinitive-btn:active{background:var(--surface-high)}#quiz-infinitive-reveal{font-size:14px;font-weight:700;color:var(--primary)}#quiz-input{flex:1;background:var(--surface-low);border:1.5px solid var(--outline);border-radius:14px;padding:13px 16px;font-size:16px;font-family:Manrope,sans-serif;color:var(--on-surface);outline:none;transition:border-color .2s,background .2s;user-select:text;-webkit-user-select:text;min-width:0}#quiz-input:focus{border-color:var(--primary)}#quiz-input.ok{border-color:#22c55e;background:#22c55e0d}#quiz-input.err{border-color:#ef4444;background:#ef44440d}.quiz-inline-input{display:inline-block;background:transparent;border:none;border-bottom:2px solid var(--primary);border-radius:0;padding:0 2px 1px;font-size:inherit;font-family:Manrope,sans-serif;font-weight:700;color:var(--on-surface);text-align:center;outline:none;vertical-align:baseline;min-width:2ch;transition:border-color .15s}.quiz-inline-input:focus{border-bottom-color:var(--primary)}.quiz-inline-input.ok{border-bottom-color:#22c55e;color:#22c55e}.quiz-inline-input.err{border-bottom-color:#ef4444;color:#ef4444}#quiz-check-btn{background:var(--primary);border:none;border-radius:14px;padding:13px 20px;color:#fff;font-size:15px;font-family:Manrope,sans-serif;font-weight:700;cursor:pointer;transition:background .2s;flex-shrink:0}#quiz-check-btn:active{background:var(--secondary)}#quiz-feedback{min-height:22px;font-size:13px;font-weight:700;text-align:center;letter-spacing:.3px;display:flex;align-items:center;justify-content:center;gap:8px}#quiz-feedback.ok{color:#22c55e}#quiz-feedback.err{color:#ef4444}#quiz-feedback.ans{color:var(--on-surface-muted);font-weight:500}#quiz-feedback.hint{color:var(--primary);font-weight:600}.fb-speak-btn{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1.5px solid currentColor;background:transparent;color:inherit;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.75}.fb-speak-btn:active{opacity:1}.fb-speak-btn .material-symbols-outlined{font-size:16px}.quiz-sentence-audio-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:none;cursor:pointer;background:#ffffff14;color:inherit;flex-shrink:0;transition:background .15s}.quiz-sentence-audio-btn:active{background:#ffffff2e}.quiz-sentence-audio-btn .material-symbols-outlined{font-size:18px}#quiz-btn-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}#quiz-btn-row button{padding:10px 22px;border-radius:50px;font-size:13px;font-weight:600;font-family:Manrope,sans-serif;cursor:pointer;border:1px solid rgba(0,0,0,.12);background:#0000000a;color:var(--on-surface-muted);transition:border-color .2s,background .2s,color .2s}#quiz-btn-row button:hover{border-color:#0003;color:var(--on-surface)}#quiz-next-btn{background:var(--primary)!important;border-color:var(--primary)!important;color:#fff!important;box-shadow:0 4px 14px #fe4d0140}#quiz-next-btn:hover{background:var(--secondary)!important;border-color:var(--secondary)!important}#quiz-skip-btn{color:var(--on-surface-muted)!important;font-size:13px}.quiz-mode-wrap{display:flex;flex-direction:column;gap:20px;padding:4px 0 16px;width:100%}.quiz-mode-title{font-size:20px;font-weight:800;color:var(--on-surface);letter-spacing:-.3px}.quiz-mode-subtitle{font-size:13px;color:var(--on-surface-muted);margin-top:2px}.quiz-mode-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}.quiz-mode-btn{display:flex;flex-direction:row;align-items:center;gap:12px;padding:14px;border-radius:20px;border:1px solid rgba(0,0,0,.06);background:#fff;box-shadow:0 2px 12px #2d313212;cursor:pointer;font-family:Manrope,sans-serif;text-align:left;transition:transform .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent}.quiz-mode-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2d313221}.quiz-mode-btn:active{transform:scale(.97)}.quiz-mode-icon{width:44px;height:44px;border-radius:12px;background:#fe4d011a;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s}.quiz-mode-btn:hover .quiz-mode-icon{transform:scale(1.1)}.quiz-mode-icon .material-symbols-outlined{font-size:22px;color:var(--primary)}.quiz-mode-text{display:flex;flex-direction:column;gap:2px;min-width:0}.quiz-mode-btn .mode-label{font-size:13px;font-weight:700;color:var(--on-surface);line-height:1.2}.quiz-mode-btn small{font-size:10px;color:var(--on-surface-muted);line-height:1.3}.quiz-groups{display:flex;flex-direction:column;gap:20px;width:100%}.quiz-group{width:100%}.quiz-group-header{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--on-surface);margin-bottom:10px}.quiz-group-header .material-symbols-outlined{font-size:18px;color:var(--primary)}.quiz-groups .quiz-mode-btns{grid-template-columns:1fr 1fr}.quiz-mode-btn.full-width{grid-column:1 / -1}#quiz-body.qs-mode{justify-content:flex-start;align-items:stretch;padding-top:8px}.qs-wrap{width:100%;display:flex;flex-direction:column;padding-bottom:16px}.qs-streak-card{background:var(--surface-high);border-radius:14px;padding:14px 16px;margin-bottom:16px}.qs-streak-card__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.qs-streak-card__title-row{display:flex;align-items:center;gap:6px}.qs-streak-card__title{font-size:14px;font-weight:700;color:var(--on-surface)}.qs-streak-card__day{font-size:13px;color:var(--on-surface-muted);font-weight:500}.qs-streak-card__done{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:#16a34a;background:#22c55e1a;padding:4px 10px;border-radius:999px}.qs-streak-card__bar{height:6px;background:var(--outline);border-radius:999px;overflow:hidden}.qs-streak-card__bar>div{height:100%;background:#22c55e;border-radius:999px}.qs-daily-label{display:flex;align-items:center;gap:6px;margin-top:10px;width:100%;background:none;border:none;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent;color:var(--on-surface-muted);font-size:12px;font-weight:600}.qs-daily-label:active{opacity:.6}.qs-daily-label__count{background:var(--outline);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700;color:var(--on-surface-muted)}#dq-popup-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}#dq-popup-backdrop.open{display:block}#dq-popup{position:fixed;bottom:0;left:0;right:0;z-index:201;background:var(--surface);border-radius:24px 24px 0 0;padding:0 0 calc(24px + var(--safe-bottom));transform:translateY(100%);transition:transform .32s cubic-bezier(.32,.72,0,1);max-height:80vh;overflow-y:auto}#dq-popup.open{transform:translateY(0)}#dq-popup-handle{width:36px;height:4px;border-radius:2px;background:var(--outline);margin:12px auto 4px}#dq-popup-title{font-size:17px;font-weight:700;color:var(--on-surface);padding:8px 20px 14px;border-bottom:1px solid var(--outline)}#dq-popup-list{padding:10px 16px 0;display:flex;flex-direction:column;gap:8px}.qs-rec-hero{background:linear-gradient(135deg,#1f1a14,#2a211a);border-radius:20px;padding:18px;margin-bottom:22px;position:relative;overflow:hidden;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;text-align:left;width:100%}.qs-rec-hero:before{content:"";position:absolute;top:-40px;right:-40px;width:180px;height:180px;background:radial-gradient(circle,rgba(254,77,1,.35) 0%,transparent 70%);pointer-events:none}.qs-rec-hero:active{opacity:.92}.qs-rec-hero__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;position:relative}.qs-rec-hero__tag{display:flex;align-items:center;gap:5px;background:#fe4d012e;color:#ff8a6e;font-size:11px;font-weight:600;padding:5px 9px;border-radius:999px}.qs-rec-hero__reason{font-size:10.5px;color:#ffffff80;font-weight:500}.qs-rec-hero__row{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px;position:relative}.qs-rec-hero__icon{width:52px;height:52px;border-radius:14px;background:var(--primary);display:grid;place-items:center;flex-shrink:0;box-shadow:0 6px 20px -4px #fe4d0180}.qs-rec-hero__body{flex:1;min-width:0}.qs-rec-hero__title{font-size:19px;font-weight:700;color:#fff;letter-spacing:-.01em;margin-bottom:4px}.qs-rec-hero__desc{font-size:13px;color:#ffffffa6;line-height:1.4;margin-bottom:8px}.qs-rec-hero__meta{display:flex;gap:6px;font-size:11.5px;color:#ffffff8c;font-weight:500;align-items:center}.qs-rec-hero__cta{width:100%;background:var(--primary);color:#fff;font-size:14px;font-weight:600;padding:12px;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:6px;position:relative;font-family:Manrope,sans-serif}.qs-rec-hero:active .qs-rec-hero__cta{background:var(--secondary)}.qs-section-head{margin-bottom:14px}.qs-section-head__title{margin:0 0 4px;font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--on-surface)}.qs-section-head__sub{margin:0;font-size:13px;color:var(--on-surface-muted);line-height:1.4}.qs-cat-tabs{display:flex;gap:8px;overflow-x:auto;margin:0 -20px 18px;padding:4px 20px;scrollbar-width:none}.qs-cat-tabs::-webkit-scrollbar{display:none}.qs-cat-tab{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:13.5px;font-weight:600;color:var(--on-surface-muted);background:var(--surface-high);border:1px solid transparent;padding:9px 14px;border-radius:999px;flex-shrink:0;cursor:pointer;font-family:Manrope,sans-serif;-webkit-tap-highlight-color:transparent;transition:background .12s,color .12s}.qs-cat-tab__count{font-size:11px;font-weight:600;color:var(--on-surface-muted);background:#0000000a;padding:1px 6px;border-radius:999px;font-variant-numeric:tabular-nums}.qs-cat-tab.is-active{background:var(--on-surface);color:#fff}.qs-cat-tab.is-active .qs-cat-tab__count{background:#ffffff26;color:#fffc}.qs-groups{display:flex;flex-direction:column;gap:22px;width:100%}.qs-group{display:flex;flex-direction:column;gap:10px}.qs-group-label{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--on-surface-muted);padding:0 4px}.qs-group-label__count{font-size:10.5px;font-weight:700;color:var(--on-surface-muted);background:#0000000a;padding:2px 7px;border-radius:999px;font-variant-numeric:tabular-nums}.qs-rows-stack{display:flex;flex-direction:column;gap:8px}.qs-cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.qs-card{display:flex;flex-direction:column;gap:4px;padding:14px;background:var(--surface-high);border-radius:14px;cursor:pointer;border:none;font-family:Manrope,sans-serif;text-align:left;min-height:130px;transition:transform .1s;-webkit-tap-highlight-color:transparent}.qs-card:active{transform:scale(.97)}.qs-card__icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:6px}.qs-card__title{font-size:15px;font-weight:600;color:var(--on-surface);letter-spacing:-.005em}.qs-card__desc{font-size:12px;color:var(--on-surface-muted);line-height:1.35;flex:1}.qs-section-head__row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.qs-layout-toggle{width:36px;height:36px;border-radius:999px;border:none;background:var(--surface-high);display:grid;place-items:center;cursor:pointer;flex-shrink:0;color:var(--on-surface-muted);-webkit-tap-highlight-color:transparent}.qs-layout-toggle:active{background:var(--outline)}.qs-row{display:flex;align-items:center;gap:12px;background:var(--surface-high);border-radius:14px;padding:12px 14px 12px 12px;width:100%;cursor:pointer;font-family:Manrope,sans-serif;text-align:left;border:none;transition:transform .1s,background .12s;-webkit-tap-highlight-color:transparent}.qs-row:active{transform:scale(.99);background:var(--surface)}.qs-row__icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;flex-shrink:0}.qs-row__body{flex:1;min-width:0}.qs-row__title-line{display:flex;align-items:center;gap:8px;margin-bottom:2px}.qs-row__title{font-size:15.5px;font-weight:600;color:var(--on-surface)}.qs-row__badge{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);background:#fe4d011a;padding:2px 6px;border-radius:4px}.qs-row__badge--done{color:#16a34a;background:#22c55e1a}.qs-row__desc{font-size:12.5px;color:var(--on-surface-muted);line-height:1.35}#spelling-word{font-size:clamp(1.6rem,7vw,2.2rem);font-weight:800;letter-spacing:4px;color:var(--on-surface);text-align:center;line-height:1.4}.spell-blank{color:var(--primary);border-bottom:3px solid var(--primary);min-width:.7em;display:inline-block;text-align:center}#spelling-hint{font-size:clamp(.82rem,2.6vw,.95rem);color:var(--on-surface-muted);font-style:italic;text-align:center}.spell-letter-input{display:inline-block;width:1.5em;height:1.8em;text-align:center;font-size:inherit;font-weight:800;font-family:Manrope,sans-serif;border:none;border-bottom:3px solid var(--primary);background:transparent;color:var(--primary);outline:none;padding:0;margin:0 1px;vertical-align:baseline;letter-spacing:0;caret-color:var(--primary)}.spell-letter-input.ok{border-color:#22c55e;color:#16a34a}.spell-letter-input.err{border-color:#ef4444;color:#dc2626}#listen-play-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 0}#listen-play-btn{width:72px;height:72px;border-radius:50%;background:var(--primary);border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 20px #fe4d014d;transition:transform .15s,background .2s}#listen-play-btn:active{transform:scale(.92)}#listen-play-btn.playing{background:var(--secondary)}.listen-play-label{font-size:11px;color:var(--on-surface-muted);letter-spacing:.5px;text-transform:uppercase;font-weight:600}#listen-choices{width:100%;display:flex;flex-direction:column;gap:10px}#dictation-prompt{font-size:clamp(1.1rem,3.5vw,1.3rem);font-weight:700;color:var(--on-surface);margin-top:6px}#dictation-sub{font-size:13px;color:var(--on-surface-muted);margin-bottom:4px}#dictation-play-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 0}#dictation-play-btn{background:var(--primary);color:var(--on-primary);border:none;border-radius:50%;width:64px;height:64px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s}#dictation-play-btn:active{transform:scale(.92)}#order-typing-wrap{width:100%;padding:4px 0 8px}#order-typing-input{width:100%;box-sizing:border-box;padding:14px 16px;border-radius:14px;border:1.5px solid var(--outline);background:var(--surface-high);font-size:15px;color:var(--on-surface);outline:none}#order-typing-input.ok{border-color:var(--correct);background:color-mix(in srgb,var(--correct) 10%,var(--surface-high))}#order-typing-input.err{border-color:var(--wrong);background:color-mix(in srgb,var(--wrong) 10%,var(--surface-high))}#dictation-input-wrap{width:100%;padding:0 0 8px}#dictation-input{width:100%;box-sizing:border-box;padding:14px 16px;border-radius:14px;border:1.5px solid var(--outline);background:var(--surface-high);font-size:15px;color:var(--on-surface);outline:none}#dictation-input.ok{border-color:var(--correct);background:color-mix(in srgb,var(--correct) 10%,var(--surface-high))}#dictation-input.err{border-color:var(--wrong);background:color-mix(in srgb,var(--wrong) 10%,var(--surface-high))}.listen-choice{width:100%;text-align:left;padding:14px 18px;border-radius:14px;border:1.5px solid var(--outline);background:var(--surface-high);font-size:14px;font-family:Manrope,sans-serif;font-weight:500;color:var(--on-surface);cursor:pointer;transition:border-color .15s,background .15s}.listen-choice:hover:not(:disabled){border-color:var(--primary)}.listen-choice.correct{border-color:#22c55e;background:#22c55e14;color:#16a34a;font-weight:700}.listen-choice.wrong{border-color:#ef4444;background:#ef44440d;color:#dc2626}.listen-choice.correct:disabled,.listen-choice.wrong:disabled{opacity:1;cursor:default}.listen-choice:disabled{opacity:.55;cursor:default}#order-placed-area,#order-bank-area{width:100%}.order-area-label{font-size:11px;font-weight:600;color:var(--on-surface-muted);margin-bottom:8px}#order-placed,#order-bank{display:flex;flex-wrap:wrap;gap:8px;min-height:48px;padding:10px 12px;border-radius:14px;border:1.5px solid var(--outline);background:var(--surface-high)}#order-placed{background:var(--surface-low);border-style:dashed}#order-placed:empty:after{content:"Tap words below to build your sentence";color:var(--on-surface-muted);font-size:12px;align-self:center}.order-chip{padding:7px 14px;border-radius:50px;border:1.5px solid var(--outline);background:var(--surface-high);font-size:14px;font-family:Manrope,sans-serif;font-weight:600;color:var(--on-surface);cursor:pointer;transition:border-color .15s,transform .1s}.order-chip:hover:not(:disabled){border-color:var(--primary);transform:translateY(-1px)}.order-chip.placed{border-color:var(--primary);color:var(--primary);background:#fe4d010f}.order-chip.ok{border-color:#22c55e!important;background:#22c55e14!important;color:#16a34a!important}.order-chip.err{border-color:#ef4444!important;background:#ef44440d!important;color:#dc2626!important}.order-chip:disabled{cursor:default}.order-punct{font-size:1.1rem;font-weight:700;color:var(--on-surface);align-self:center;margin-left:2px}.order-first-hint{font-size:11px;color:var(--on-surface-muted);margin-bottom:6px}#speak-word{font-size:clamp(1.6rem,6vw,2.2rem);font-weight:800;color:var(--on-surface);text-align:center;margin:12px 0 4px}#speak-translation{font-size:.95rem;color:var(--on-surface-muted);text-align:center;margin-bottom:8px}#speak-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin:18px 0 10px}#speak-hear-btn{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--outline);background:var(--surface-high);color:var(--on-surface-muted);cursor:pointer;display:flex;align-items:center;justify-content:center}#speak-mic-btn{width:72px;height:72px;border-radius:50%;border:none;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #fe4d0159;transition:transform .1s,box-shadow .1s}#speak-mic-btn .material-symbols-outlined{font-size:32px}#speak-mic-btn:disabled{background:var(--surface-high);color:var(--on-surface-muted);box-shadow:none;cursor:default}#speak-mic-btn.listening{animation:speak-pulse 1s ease-in-out infinite}@keyframes speak-pulse{0%,to{box-shadow:0 0 #fe4d0166}50%{box-shadow:0 0 0 14px #fe4d0100}}#speak-status{text-align:center;font-size:13px;font-weight:600;color:var(--on-surface-muted);min-height:18px}#speak-status.ok{color:#22c55e}#speak-status.err{color:#ef4444}#speak-transcript{text-align:center;font-size:14px;color:var(--on-surface);margin-top:6px;font-style:italic}.convo-phase-label{font-size:12px;font-weight:600;color:var(--on-surface-muted);margin:6px 0 4px;display:flex;align-items:center;gap:6px}.convo-phase-num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;font-weight:800;flex-shrink:0}#convo-intro{display:flex;flex-direction:column;align-items:center;gap:18px;padding:10px 4px 24px;width:100%}#convo-intro-start-btn{margin-top:4px;width:100%;padding:14px;border-radius:14px;background:var(--primary);color:#fff;border:none;font-size:1rem;font-weight:800;cursor:pointer;letter-spacing:.02em}#convo-intro-start-btn:active{opacity:.85}.convo-direction-hint{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);margin-top:4px;margin-bottom:2px}#convo-question-wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px}#convo-question{font-size:clamp(1.1rem,4vw,1.4rem);font-weight:700;color:var(--on-surface);line-height:1.4}#convo-play-btn{flex-shrink:0;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--outline);background:var(--surface-high);color:var(--primary);cursor:pointer;display:flex;align-items:center;justify-content:center}#convo-play-btn:active{background:#fe4d0114}#convo-rows{display:flex;flex-direction:column;gap:8px;width:100%}.convo-row{width:100%;display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;border-radius:14px;border:1.5px solid var(--outline);background:var(--surface-high);cursor:pointer;font-family:Manrope,sans-serif;text-align:left;transition:border-color .15s,background .15s}.convo-row:active{border-color:var(--primary);background:#fe4d010d}.convo-word-chip{padding:4px 10px;border-radius:50px;pointer-events:none;border:1.5px solid var(--outline);background:var(--surface);font-size:13px;font-weight:600;color:var(--on-surface)}#quiz-start-wrap,#quiz-done-wrap{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;padding:20px 0}.quiz-done-emoji{font-size:42px}.quiz-done-score{font-size:3rem;font-weight:800;color:var(--primary);line-height:1}.quiz-done-sub{font-size:15px;color:var(--on-surface-muted)}.quiz-counted-note{font-size:13px;font-weight:600;padding:7px 16px;border-radius:20px}.quiz-counted-note.counted{background:#22c55e1f;color:#16a34a}.quiz-counted-note.not-counted{background:#0000000f;color:var(--on-surface-muted)}#done-daily-wrap{width:100%;padding:4px 0 2px}#done-daily-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}#done-daily-title{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--on-surface-muted)}#done-daily-nums{font-size:12px;font-weight:700;color:var(--on-surface)}#done-daily-track{width:100%;height:8px;background:#00000014;border-radius:4px;overflow:hidden}#done-daily-fill{height:100%;border-radius:4px;transition:width .9s cubic-bezier(.4,0,.2,1)}#done-daily-fill.in-progress{background:var(--primary);box-shadow:0 0 8px #fe4d0166}#done-daily-fill.complete{background:#22c55e;box-shadow:0 0 8px #22c55e66}#done-daily-sub{font-size:11px;color:var(--on-surface-muted);margin-top:6px;font-weight:500;text-align:center}#quiz-restart-btn{background:var(--primary);border:1px solid var(--primary);color:#fff;padding:10px 32px;border-radius:50px;font-size:13px;font-family:Manrope,sans-serif;font-weight:600;cursor:pointer;box-shadow:0 4px 14px #fe4d0140;transition:background .2s}#quiz-restart-btn:hover{background:var(--secondary)}.sleep-section{border-top:1px solid rgba(0,0,0,.08);padding-top:14px;display:flex;flex-direction:column;gap:10px}.sleep-section h2{font-size:10px;color:var(--on-surface-muted);letter-spacing:2.5px;text-transform:uppercase;font-weight:700}.sleep-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.sleep-row label{font-size:13px;color:var(--on-surface-muted)}.sleep-row input[type=time]{background:#00000008;border:1px solid rgba(0,0,0,.12);border-radius:10px;color:var(--on-surface);font-size:14px;padding:6px 10px;width:110px;text-align:center;-webkit-appearance:none}.sleep-row input[type=time]:focus{outline:none;border-color:var(--primary)}.sleep-row select{background:#00000008;border:1px solid rgba(0,0,0,.12);border-radius:10px;color:var(--on-surface);font-size:14px;padding:6px 10px;width:140px;-webkit-appearance:none;text-align:center}.sleep-row select:focus{outline:none;border-color:var(--primary)}.report-btn{background:none;border:none;cursor:pointer;color:var(--on-surface-muted);padding:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:color .2s,background .2s;opacity:.55}.report-btn:active,.report-btn.reported{color:#ef4444;background:#ef44441a;opacity:1}.report-btn .material-symbols-outlined{font-size:18px}#card-report-wrap{position:absolute;bottom:8px;right:8px;z-index:20}#img-report-menu{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--surface-high);border-radius:16px;box-shadow:0 8px 32px #0000002e;overflow:hidden;z-index:500;min-width:220px;display:flex;flex-direction:column}#img-report-menu button{display:flex;align-items:center;gap:10px;padding:16px 20px;background:none;border:none;font-size:15px;font-weight:500;cursor:pointer;width:100%;text-align:left;color:var(--on-surface)}#img-report-menu button:active{background:var(--surface-highest)}#img-report-btn{color:#ef4444;border-bottom:1px solid var(--surface-highest)!important}#img-report-btn .material-symbols-outlined{font-size:20px}@keyframes autoplay-shrink{0%{width:100%}to{width:0%}}#autoplay-bar{position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:0 0 22px 22px;background:#00000012;overflow:hidden;z-index:20;pointer-events:none}#autoplay-bar-fill{height:100%;width:100%;background:var(--primary)}#autoplay-audio-label{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;padding:12px 20px;border-radius:20px;border:none;background:var(--surface-low);font-size:13px;font-weight:500;color:var(--on-surface-muted);cursor:pointer;width:100%}#autoplay-audio-label.ap-audio-off{color:var(--on-surface-lowest, #aaa)}#autoplay-audio-label .material-symbols-outlined{font-size:15px}#autoplay-menu{position:fixed;z-index:600;background:var(--surface-high);border:1px solid var(--surface-highest);border-radius:16px;padding:6px;display:flex;flex-direction:row;align-items:center;gap:2px;box-shadow:0 8px 32px #0000002e}.apm-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 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10px;display:flex;align-items:center;justify-content:space-between}.reported-clear-all{font-size:12px;font-weight:600;color:#ef4444;background:none;border:none;cursor:pointer;padding:2px 0}.reported-empty{font-size:13px;color:var(--on-surface-muted);text-align:center;padding:12px 0}.reported-item{background:var(--surface);border:1px solid var(--outline);border-radius:12px;padding:12px 14px;margin-bottom:8px;position:relative}.reported-item-word{font-size:14px;font-weight:700;color:var(--on-surface);margin-bottom:2px}.reported-item-nl{font-size:12px;color:var(--on-surface);margin-bottom:1px}.reported-item-en{font-size:12px;color:var(--on-surface-muted);margin-bottom:4px}.reported-item-meta{font-size:11px;color:var(--on-surface-muted);opacity:.7}.reported-item-remove{position:absolute;top:10px;right:10px;background:none;border:none;cursor:pointer;color:var(--on-surface-muted);font-size:16px;line-height:1;padding:2px 4px}@keyframes gs-slide-next{0%{transform:translate(20px);opacity:0}to{transform:none;opacity:1}}@keyframes gs-slide-prev{0%{transform:translate(-20px);opacity:0}to{transform:none;opacity:1}}.gs-anim-next{animation:gs-slide-next .22s cubic-bezier(.4,0,.2,1)}.gs-anim-prev{animation:gs-slide-prev .22s cubic-bezier(.4,0,.2,1)}.grammar-dot.type-exercise{width:9px;height:9px;border:2px solid var(--primary);background:transparent;box-sizing:border-box}.grammar-dot.type-exercise.active{background:var(--primary)}.grammar-dot.type-exercise.done{background:var(--primary);opacity:.4;border-color:var(--primary)}.gs-exercise-explain{font-size:12px;line-height:1.55;margin-top:7px;padding:7px 10px;border-radius:8px;font-style:italic}.gs-exercise-explain.ok{color:#166534;background:#22c55e14}.gs-exercise-explain.err{color:#991b1b;background:#ef444414}@keyframes gs-shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}60%{transform:translate(5px)}80%{transform:translate(-3px)}}.gs-shake{animation:gs-shake .28s ease}.gs-exercise-reveal{background:none;border:none;cursor:pointer;font-size:11px;color:var(--on-surface-muted);font-family:Manrope,sans-serif;text-decoration:underline;padding:2px 0;display:block;margin-top:4px;transition:color .15s}.gs-exercise-reveal:hover{color:var(--primary)}.grammar-topic-done-badge{display:inline-flex;align-items:center;gap:3px;background:#22c55e1f;color:#16a34a;font-size:10px;font-weight:700;padding:3px 9px;border-radius:10px;margin-top:5px}.grammar-topic-prog-bar{width:100%;height:3px;background:#00000014;border-radius:2px;margin-top:6px;overflow:hidden}.grammar-topic-prog-fill{height:100%;background:var(--primary);border-radius:2px}#report-toast{position:fixed;bottom:calc(80px + var(--safe-bottom));left:50%;transform:translate(-50%) translateY(20px);background:#1e1e2e;color:#fff;font-size:13px;font-weight:600;padding:10px 20px;border-radius:24px;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;z-index:400;white-space:nowrap}#report-toast.show{opacity:1;transform:translate(-50%) translateY(0)}.leaderboard-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--outline)}.leaderboard-row:last-child{border-bottom:none}.leaderboard-row.leaderboard-me{background:#fff7ed;margin:0 -16px;padding:10px 16px;border-radius:8px}.leaderboard-rank{font-size:18px;width:28px;text-align:center;flex-shrink:0}.leaderboard-name{flex:1;font-size:14px;font-weight:600;color:var(--on-surface)}.leaderboard-streak{font-size:14px;font-weight:700;color:#fe4d01}.leaderboard-loading,.leaderboard-empty{font-size:13px;color:var(--on-surface-muted);padding:8px 0}@keyframes ob-rise{0%{opacity:0;transform:translateY(28px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes ob-fade{0%{opacity:0}to{opacity:1}}#reauth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:600;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px}#reauth-modal{background:var(--surface-high);border-radius:24px;padding:28px 24px;width:100%;max-width:340px;display:flex;flex-direction:column;gap:12px;text-align:center}#reauth-icon .material-symbols-outlined{font-size:40px;color:var(--primary)}#reauth-title{font-size:18px;font-weight:800;color:var(--on-surface)}#reauth-sub{font-size:13px;color:var(--on-surface-muted)}#reauth-password{width:100%;padding:14px;border-radius:12px;border:1.5px solid var(--outline);background:var(--surface);color:var(--on-surface);font-size:15px;box-sizing:border-box}#reauth-error{font-size:13px;color:#f87171;min-height:18px}#reauth-btn{width:100%;padding:14px;border-radius:14px;background:var(--primary);color:#fff;border:none;font-size:16px;font-weight:700;cursor:pointer}#reauth-btn:disabled{opacity:.6}#landing-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:400;background:#f5f0eb;overflow-y:auto;-webkit-overflow-scrolling:touch}#landing-overlay.open{display:block}.landing-inner{max-width:520px;margin:0 auto;padding:0 0 48px}.landing-nav{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0}.landing-brand{font-size:18px;font-weight:800;color:#1a1a1a;letter-spacing:-.3px}.landing-nav-links{display:flex;align-items:center;gap:20px}.landing-nav-blog{font-size:14px;font-weight:600;color:#78716c;text-decoration:none}.landing-nav-blog:hover{color:#e8521a}.landing-signin-link{background:none;border:none;padding:8px 0;font-size:15px;font-weight:600;color:#e8521a;cursor:pointer}.landing-footer-blog{display:inline-block;margin-top:16px;font-size:14px;color:#78716c;text-decoration:none}.landing-footer-blog:hover{color:#e8521a}.landing-hero{text-align:center;padding:44px 28px 36px}.landing-title{font-size:38px;font-weight:800;line-height:1.1;color:#1a1a1a;letter-spacing:-1.5px;margin:0 0 16px}.landing-sub{font-size:16px;line-height:1.6;color:#555;max-width:320px;margin:0 auto 28px}.landing-btn-primary{display:block;width:100%;max-width:320px;margin:0 auto;background:#e8521a;color:#fff;border:none;border-radius:14px;padding:17px 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