*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--green: #1D9E75;--green-dark: #0F6E56;--green-light: #E1F5EE;--blue: #185FA5;--blue-light: #E6F1FB;--amber: #BA7517;--amber-light: #FAEEDA;--red: #A32D2D;--red-light: #FCEBEB;--coral: #D85A30;--bg: #FFFFFF;--bg-secondary: #F5F5F3;--bg-tertiary: #EEECEA;--border: rgba(0,0,0,.1);--border-mid: rgba(0,0,0,.18);--text: #1A1A1A;--text-2: #555553;--text-3: #888886;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--sidebar-w: 220px;--nav-h: 64px;--shadow: 0 1px 4px rgba(0,0,0,.08)}:root{color-scheme:light}:root[data-theme=dark]{color-scheme:dark;--bg: #212121;--bg-secondary: #2C2C2C;--bg-tertiary: #111111;--border: rgba(255,255,255,.1);--border-mid: rgba(255,255,255,.18);--text: #F0EFED;--text-2: #AAAAAA;--text-3: #7C7C7C;--green-light: #0F3D2A;--blue-light: #0A1E3A;--amber-light: #3A2500;--red-light: 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var(--border-mid);border-radius:var(--radius-md);font-size:14px;background:var(--bg);color:var(--text)}.form-group{margin-bottom:1rem}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:.35rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:99px;letter-spacing:.03em}.badge-a1{background:var(--green-light);color:#085041}.badge-a2{background:var(--blue-light);color:#0c447c}.badge-b1{background:var(--amber-light);color:#633806}.badge-b2{background:#faece7;color:#4a1b0c}.badge-c1{background:#f3e8ff;color:#5b21b6}.badge-c2{background:#fce7f3;color:#9d174d}:root[data-theme=dark] .badge-a1{color:#6ee7c0}:root[data-theme=dark] .badge-a2{color:#7ec4ff}:root[data-theme=dark] .badge-b1{color:#ffc96b}:root[data-theme=dark] .badge-b2{color:#ffaa80}:root[data-theme=dark] .badge-c1{color:#c4a0ff}:root[data-theme=dark] .badge-c2{color:#f9a8d4}.progress-bar{height:6px;background:var(--bg-secondary);border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:var(--green);border-radius:99px;transition:width .4s ease}.feedback{padding:12px 14px;border-radius:var(--radius-md);font-size:14px;line-height:1.5}.feedback-ok{background:#1d9e75;color:#fff;border:1px solid #0F6E56}.feedback-fail{background:#a32d2d;color:#fff;border:1px solid #7A1F1F}.feedback-hint{background:var(--amber-light);color:#412402;border:1px solid #FAC775}.feedback-coach{background:var(--bg-secondary);color:var(--text-2);border:1px solid var(--border)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:1.25rem}@media (max-width: 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var(--border-mid);background:transparent;color:var(--text-2);padding:6px 12px;border-radius:99px;font:inherit;font-size:13px;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.chip:hover{color:var(--text)}.chip.active{background:var(--green);border-color:var(--green);color:#fff}.setup-layout{display:grid;grid-template-columns:300px 1fr;gap:12px;align-items:start}.setup-layout>.card+.card{margin-top:0}.setup-layout>*{min-width:0}.setup-view{margin-top:.75rem}.setup-head .unit-summary{padding-bottom:0;margin-bottom:0;border-bottom:none}.view-tabs{display:flex;gap:4px;margin-top:.75rem;padding-left:0}.view-tab{position:relative;top:1px;padding:11px 22px;border:1px solid transparent;border-bottom:none;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:transparent;color:var(--text-2);font:inherit;font-size:15px;font-weight:500;cursor:pointer}.view-tab:hover{color:var(--text);background:var(--bg-secondary)}.view-tab:first-child{border-top-left-radius:0}.view-tab.active{background:var(--bg);border-color:var(--border);color:var(--green);font-weight:600;z-index:1}.view-tab.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--bg)}.list-row{border-bottom:1px solid var(--border)}.list-row:last-child{border-bottom:none}.view-tab:focus:not(:focus-visible){outline:none}.view-tab:focus-visible{outline:2px solid var(--green);outline-offset:-2px}.view-panel>.setup-view{margin-top:0;padding:1.25rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg)}.view-panel>.setup-view .card{padding:0;margin:0;background:none;border:none;border-radius:0}.view-panel>.setup-view .card+.card{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.view-panel>.card:first-child,.view-panel>.setup-view{border-top-left-radius:0}@media (max-width: 600px){.view-tab{flex:1;padding:11px 8px;text-align:center}.view-panel.last>.setup-view{border-top-right-radius:0}}.modal{max-height:calc(100dvh - 2rem);overflow-y:auto}.mode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}.mode-tile{display:flex;align-items:center;gap:12px;padding:12px 14px;text-align:left;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);color:var(--text);font:inherit;cursor:pointer;transition:border-color .15s,background .15s}.mode-tile:hover{border-color:var(--border-mid)}.mode-tile.active{border-color:var(--green);background:var(--green-light)}.mode-icon{font-size:30px;width:38px;line-height:1;text-align:center;flex-shrink:0}.mode-name{display:block;font-size:15px;font-weight:600}.mode-hint{display:block;font-size:12px;color:var(--text-2);margin-top:1px}.unit-picker{max-height:calc(100vh - 170px);overflow-y:auto;padding:1rem .75rem}.unit-picker .setup-label{margin:0 6px 12px}.book-row{display:flex;align-items:center;gap:10px;width:100%;padding:8px 6px;margin-bottom:4px;border:none;border-radius:var(--radius-md);background:none;color:var(--text);font:inherit;font-size:15px;font-weight:600;text-align:left;cursor:pointer}.book-row:hover{background:var(--bg-secondary)}.book-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:30px;height:30px;border-radius:9px;background:var(--blue-light);font-size:15px}.book-icon.free{background:var(--amber-light)}.book-count{margin-left:auto;padding:1px 8px;border-radius:99px;background:var(--bg-secondary);font-size:12px;font-weight:500;color:var(--text-2)}.book-chevron{width:10px;color:var(--text-3);transition:transform .15s}.book-row.open .book-chevron{transform:rotate(90deg)}.unit-rows{display:flex;flex-direction:column;gap:6px;margin:4px 0 14px 20px;padding-left:6px;border-left:2px solid var(--border)}.unit-row{display:flex;align-items:center;gap:8px;width:100%;padding:9px 10px;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--text-2);font:inherit;font-size:14px;text-align:left;cursor:pointer}.unit-row:hover{background:var(--bg-secondary);color:var(--text)}.unit-row.active{background:var(--green-light);border-color:var(--green);color:var(--text);font-weight:500}.unit-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.unit-pct{margin-left:auto;padding-left:8px;font-size:12px;font-weight:400;color:var(--text-3);white-space:nowrap}.unit-name{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-row{align-items:flex-start}.topic-row .unit-dot{margin-top:5px}.topic-row .unit-pct{padding-top:2px}.topic-code{flex-shrink:0;min-width:28px;font-weight:600;color:var(--text)}.topic-title{min-width:0;line-height:1.3}.status-legend{display:flex;flex-wrap:nowrap;justify-content:space-between;gap:8px;white-space:nowrap;margin-top:12px;padding:10px 6px 0;border-top:1px solid var(--border);font-size:12px;color:var(--text-3)}.status-legend>span{display:inline-flex;align-items:center;gap:5px}.status-legend .unit-dot{width:8px;height:8px}.unit-more{font-size:13px;color:var(--text-3)}.unit-free{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.unit-free .unit-row{padding:8px 6px;font-size:15px;font-weight:600;color:var(--text)}.unit-picker-toggle{display:none;width:100%;margin-top:10px}@media (max-width: 900px){.setup-layout{grid-template-columns:1fr}.unit-picker{max-height:none}.unit-picker-toggle{display:inline-flex}.unit-picker.collapsed .unit-other,.unit-picker.collapsed .book-row{display:none}.unit-picker.collapsed .unit-rows,.unit-picker.collapsed .unit-free{margin:0;padding:0;border:none}.unit-picker.collapsed .status-legend{display:none}}.unit-summary{padding-bottom:1.1rem;margin-bottom:1.25rem;border-bottom:1px solid var(--border)}.unit-summary-title{font-size:19px;font-weight:600}.unit-summary-sub{font-size:13px;color:var(--text-2);margin:8px 0 16px}.unit-summary-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);margin-top:6px}.start-btn{width:100%;padding:14px;font-size:16px;margin-top:.25rem}.spell-slots{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:6px;margin:1.25rem 0 .5rem}.spell-slot{display:flex;align-items:flex-end;justify-content:center;width:30px;height:42px;border-bottom:2.5px solid var(--border-mid);font-size:26px;font-weight:600;line-height:1.2;color:var(--green)}.spell-slot.filled{border-bottom-color:var(--green)}.spell-slot.next{border-bottom-color:var(--text-2)}.spell-gap{width:16px}.spell-fixed{font-size:26px;font-weight:600;line-height:1.2;color:var(--text-2);padding:0 2px}.spell-tile{min-width:48px;font-size:22px;font-weight:600;text-align:center}.spell-tile.shake{animation:spell-shake .35s;border-color:var(--red);background:var(--red-light)}@keyframes spell-shake{25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-3px)}}.listen-btn{padding:16px 28px;border:1.5px solid var(--green);border-radius:99px;background:var(--green-light);color:var(--text);font:inherit;font-size:18px;font-weight:600;cursor:pointer}.listen-btn:active{transform:scale(.98)}.today-card{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-color:var(--green);background:var(--green-light);margin-top:1rem}.today-title{font-size:20px;font-weight:600;color:var(--text)}.today-sub{font-size:14px;color:var(--text-2);margin-top:2px}.today-btn{padding:14px 32px;font-size:17px}@media (max-width: 600px){.today-btn{width:100%}}.section-title{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);margin:1.5rem 0 .6rem}.dash-units{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(380px,100%),1fr));gap:12px}.dash-units .card+.card{margin-top:0}.dash-unit{display:flex;flex-direction:column;gap:14px}.dash-unit-main{flex:1;min-width:0}.dash-unit-actions{display:flex;gap:8px}.activity-chart{display:flex;gap:8px;align-items:flex-end;height:96px}.activity-day{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}.activity-bar{width:100%;max-width:44px;border-radius:6px 6px 2px 2px;background:var(--green)}.activity-bar.empty{background:var(--border)}.activity-num{font-size:11px;color:var(--text-2);margin-bottom:3px}.activity-lbl{font-size:11px;color:var(--text-3);margin-top:5px}.cropper{margin-top:.5rem}.cropper-stage{display:flex;justify-content:center;background:var(--bg-secondary);border-radius:var(--radius-md);padding:8px}.cropper-box{position:relative;display:inline-block;line-height:0;touch-action:none;-webkit-user-select:none;user-select:none}.cropper-box img{display:block;max-width:100%;max-height:70vh}.cropper-rect{position:absolute;border:2px solid var(--green);box-shadow:0 0 0 9999px #0000008c;cursor:move;touch-action:none}.cropper-box{overflow:hidden}.cropper-handle{position:absolute;width:28px;height:28px;border-radius:50%;background:var(--green);border:3px solid #ffffff;touch-action:none}.cropper-handle.nw{left:-3px;top:-3px;cursor:nwse-resize}.cropper-handle.ne{right:-3px;top:-3px;cursor:nesw-resize}.cropper-handle.sw{left:-3px;bottom:-3px;cursor:nesw-resize}.cropper-handle.se{right:-3px;bottom:-3px;cursor:nwse-resize}.import-warning{padding:10px 12px;margin-bottom:10px;border:1px solid var(--amber);border-radius:var(--radius-md);background:var(--amber-light);color:var(--text);font-size:13px}.word-editor{display:flex;flex-direction:column;gap:8px;padding:12px;margin:8px 0;background:var(--bg-secondary);border-radius:var(--radius-md)}.word-editor-row{display:flex;flex-wrap:wrap;gap:8px}.voice-setting{margin-top:1rem;padding-top:.85rem;border-top:1px solid var(--border)}.check-row{display:flex;align-items:center;gap:10px;padding:5px 0;font-size:14px;color:var(--text-2);cursor:pointer}.check-row input{width:18px;height:18px;accent-color:var(--green);flex-shrink:0}.check-sub{padding-left:28px}.check-row.disabled{opacity:.45;cursor:default}.voice-setting-toggle{border:none;background:none;padding:0;font:inherit;font-size:13px;color:var(--text-2);cursor:pointer}.voice-setting-toggle:hover{color:var(--text)}textarea.input{font:inherit;font-size:14px;line-height:1.5;resize:vertical}.grammar-task{border-width:1.5px;transition:border-color .2s}.grammar-task{text-align:center}.grammar-task .token-row,.grammar-task .build-line{justify-content:center}.grammar-task.correct{border-color:var(--green)}.grammar-task.wrong{border-color:var(--red)}.gap-sentence{font-size:20px;line-height:2.1;margin-bottom:1.25rem}.gap-slot{display:inline-block;min-width:76px;padding:0 8px;margin:0 4px;border-bottom:2px solid var(--border-mid);text-align:center;line-height:1.5;color:var(--green);font-weight:600;cursor:pointer}.gap-slot.filled{border-bottom-color:var(--green)}.token-row{display:flex;flex-wrap:wrap;gap:8px}.token{padding:10px 14px;border:1px solid var(--border-mid);border-radius:12px;background:var(--bg-secondary);color:var(--text);font:inherit;font-size:16px;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s}.token:hover:not(:disabled){border-color:var(--green)}.token:disabled{cursor:default}.token.used{opacity:.3}.token.placed{background:var(--green-light);border-color:var(--green)}.token.right{background:#1d9e75;border-color:#1d9e75;color:#fff}.token.wrongpick{background:#a32d2d;border-color:#a32d2d;color:#fff}.build-source{font-size:15px;color:var(--text-2);margin-bottom:.75rem}.build-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:62px;padding:8px;margin-bottom:1rem;border:1.5px dashed var(--border-mid);border-radius:var(--radius-md)}.feedback-box{margin-top:.75rem;padding:1rem 1.25rem;border-radius:var(--radius-lg);border:1px solid var(--border)}.feedback-box.ok{background:var(--green-light);border-color:var(--green)}.feedback-box.bad{background:var(--red-light);border-color:var(--red)}.feedback-title{font-size:13px;font-weight:600;margin-bottom:4px;color:var(--text-2)}.feedback-solution{font-size:18px;font-weight:600;color:var(--text)}.feedback-hint{font-size:14px;color:var(--text);margin-top:8px}.rule-title{font-size:20px;font-weight:600}.rule-text{font-size:15px;line-height:1.6;margin:.75rem 0 0;color:var(--text)}.rule-block{margin-top:1.5rem}.rule-signal{padding:6px 12px;border-radius:99px;background:var(--bg-secondary);font-size:14px;color:var(--text)}.rule-example{padding:8px 0;border-top:1px solid var(--border);font-size:15px}.rule-card .start-btn{margin-top:1.5rem}.speak-btn{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;width:34px;height:34px;margin-left:10px;padding:0;border:1px solid var(--border-mid);border-radius:50%;background:var(--bg-secondary);font-size:15px;line-height:1;cursor:pointer;transition:background .15s}.speak-btn:hover{background:var(--border-mid)}.flashcard{cursor:pointer;-webkit-user-select:none;user-select:none;min-height:260px;padding:2rem 1.25rem;position:relative}.flashcard.flipped{border-color:var(--green)}.flashcard-lang{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:.35rem}.flashcard-word{font-size:clamp(24px,6vw,34px);font-weight:600;line-height:1.25;overflow-wrap:anywhere}.flashcard-solution{color:var(--green)}.flashcard-ipa{font-size:18px;color:var(--text-2);margin-top:.4rem}.flashcard-back{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.flashcard-example{font-size:17px;line-height:1.45;color:var(--text);background:var(--bg-secondary);border-radius:var(--radius-md);padding:.75rem 1rem;margin:1.25rem auto 0;max-width:560px}.flashcard-example-de{color:var(--text-2);margin-top:.25rem}.flashcard-hint{font-size:14px;color:var(--text-3);margin-top:1.75rem}.flashcard-repeat{position:absolute;top:12px;right:14px;font-size:12px;color:var(--amber)}.options-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin-bottom:1rem}.option-btn{padding:14px;border:1px solid var(--border-mid);border-radius:var(--radius-md);background:var(--bg);cursor:pointer;font-size:15px;color:var(--text);transition:all .15s;text-align:left;overflow-wrap:anywhere}.option-btn:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--border-mid)}.option-btn.correct{background:#1d9e75;border-color:#1d9e75;color:#fff}.option-btn.wrong{background:#a32d2d;border-color:#a32d2d;color:#fff}.option-btn:disabled{cursor:default}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;animation:spin .6s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:1rem;color:var(--text-3)}.toggle{position:relative;width:40px;height:22px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border-mid);border-radius:99px;cursor:pointer;transition:.2s}.toggle-slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}.toggle input:checked+.toggle-slider{background:var(--green)}.toggle input:checked+.toggle-slider:before{transform:translate(18px)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.modal{background:var(--bg);border-radius:var(--radius-xl);padding:1.5rem;width:100%;max-width:440px;box-shadow:0 20px 60px #0003}.modal-title{font-size:17px;font-weight:600;margin-bottom:1.25rem}.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:1.25rem}.divider{height:1px;background:var(--border);margin:1rem 0}.text-muted{color:var(--text-3);font-size:13px}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.gap-2{gap:.5rem}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;justify-content:center;align-items:center}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width: 768px){.input,.select,textarea{font-size:16px}}