:root{--bg-primary: #f5f5f5;--bg-secondary: #ffffff;--bg-tertiary: #e8e8e8;--text-primary: #2d2d2d;--text-secondary: #6b6b6b;--text-tertiary: #9a9a9a;--text-on-accent: #ffffff;--border-color: #d0d0d0;--accent-color: #4a4a4a;--accent-hover: #3a3a3a;--shadow-sm: rgba(0, 0, 0, .05);--shadow-md: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15);--highlight-bg: #e8e8e8;--status-info-bg: #e8e8e8;--status-info-text: #4a4a4a;--status-success-bg: #d4d4d4;--status-success-text: #2d2d2d;--status-error-bg: #c0c0c0;--status-error-text: #2d2d2d;--auth-overlay-bg: rgba(255, 255, 255, .82);--auth-overlay-text: #2d2d2d;--auth-spinner-track: rgba(45, 45, 45, .22);--auth-spinner-head: rgba(45, 45, 45, .85)}:root[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #3a3a3a;--text-primary: #e8e8e8;--text-secondary: #b0b0b0;--text-tertiary: #808080;--text-on-accent: #ffffff;--border-color: #404040;--accent-color: #6b6b6b;--accent-hover: #7b7b7b;--shadow-sm: rgba(0, 0, 0, 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var(--accent-color);outline-offset:2px}.example-word-details{min-width:0}.example-word-translation{color:var(--text-primary);font-weight:600;font-size:13px;margin-bottom:4px}.example-word-explanation{color:var(--text-secondary);font-size:13px;line-height:1.5}.example-word-breakdown-empty{color:var(--text-secondary);font-size:13px}.card-navigation{display:flex;justify-content:space-around;gap:20px;width:100%;max-width:600px;padding:10px}.matching-games{width:100%;max-width:600px;margin:0 auto;padding:10px}.matching-games-topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:14px}.matching-games-subtitle{margin-top:4px;font-size:13px;color:var(--text-secondary)}.matching-games-topbar-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.matching-empty{padding:18px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;box-shadow:0 2px 8px var(--shadow-sm)}.matching-round{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 2px 10px var(--shadow-sm);padding:14px;position:relative}.matching-confetti{position:absolute;inset:0;overflow:hidden;border-radius:inherit;pointer-events:none;z-index:3}.matching-confetti-piece{position:absolute;top:-14px;border-radius:3px;opacity:.95;transform:translateZ(0);animation-name:matchingConfettiFall;animation-timing-function:cubic-bezier(.2,.8,.2,1);animation-fill-mode:both}@keyframes matchingConfettiFall{0%{transform:translateZ(0) rotate(0);opacity:.95}to{transform:translate3d(var(--confetti-dx),360px,0) rotate(var(--confetti-rot));opacity:0}}@media(prefers-reduced-motion:reduce){.matching-confetti{display:none}}.matching-round-header{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}.matching-round-title{font-size:16px;font-weight:800;color:var(--text-primary)}.matching-round-subtitle{margin-top:4px;font-size:13px;color:var(--text-secondary)}.matching-round-progress{font-size:13px;font-weight:700;color:var(--text-secondary);background:var(--bg-tertiary);border:1px solid var(--border-color);padding:6px 10px;border-radius:999px;flex:0 0 auto}.matching-board{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.matching-board--word-image .matching-tile{min-height:88px}@media(max-width:720px){.matching-board{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}.matching-board--word-image .matching-tile{min-height:74px}.matching-tile{padding:10px;gap:10px}.matching-text{font-size:14px}.matching-image{width:76px;height:54px}}.matching-board.is-wrong{animation:matchingShake .22s ease-in-out}@keyframes matchingShake{0%{transform:translate(0)}25%{transform:translate(-6px)}50%{transform:translate(6px)}75%{transform:translate(-4px)}to{transform:translate(0)}}.matching-col-header{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:8px}.matching-list{display:grid;gap:10px}.matching-tile{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border-radius:12px;border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;text-align:left;transition:background-color .16s ease,border-color .16s ease,transform .16s ease}.matching-tile:hover{background:var(--highlight-bg);border-color:var(--accent-color);transform:translateY(-1px)}.matching-tile.is-disabled,.matching-tile[aria-disabled=true]{opacity:.55;cursor:not-allowed;transform:none}.matching-tile.is-selected{border-color:var(--accent-color);background:color-mix(in srgb,var(--accent-color) 28%,var(--bg-tertiary))}.matching-tile.is-selected:hover{background:color-mix(in srgb,var(--accent-color) 34%,var(--bg-tertiary))}.matching-tile:focus-visible{outline:2px solid color-mix(in srgb,var(--accent-color) 55%,transparent);outline-offset:2px}.matching-tile.is-matched{background:var(--bg-secondary);border-color:var(--border-color)}.matching-tile-content{min-width:0;display:flex;align-items:center;gap:10px}.matching-tile-status{flex:0 0 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ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-grow:1}.nav-button svg{display:block}.nav-button:hover{background:var(--accent-color);color:var(--text-on-accent)}.nav-button:disabled{opacity:.55;cursor:not-allowed;transform:none}.nav-button:disabled:hover{background:var(--bg-tertiary);color:var(--text-primary)}.swipe-indicator{position:absolute;top:50%;transform:translateY(-50%);font-size:48px;opacity:0;transition:opacity .2s ease;pointer-events:none;z-index:100}.swipe-indicator.visible{opacity:.5}.swipe-indicator.left{left:20px}.swipe-indicator.right{right:20px}.swipe-indicator.up{top:20px;bottom:auto;left:50%;transform:translate(-50%)}.hidden{display:none!important}.exports-view{max-width:600px}.exports-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.exports-header h2{margin:0}.exports-subtitle{color:var(--text-secondary);margin-bottom:16px}.exports-note{color:var(--text-secondary);font-size:14px;margin-top:-8px;margin-bottom:18px}.exports-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.export-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;padding:14px;box-shadow:0 8px 24px var(--shadow-sm);display:flex;flex-direction:column;gap:10px}.export-card__header{display:flex;align-items:center;justify-content:space-between;gap:8px}.export-card__header h3{margin:0;font-size:18px;line-height:1.3;word-break:break-word}.export-card__meta{margin:4px 0 0;color:var(--text-secondary);font-size:14px}.export-card__actions{display:flex;flex-wrap:wrap;gap:8px}.export-card__status{color:var(--text-secondary);font-size:14px}.export-card__status.error{color:#d9534f}.popup-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.loading-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;z-index:2000;padding:24px}.loading-overlay-controls{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:6px}.loading-progress{width:min(520px,calc(100vw - 48px));height:10px;border-radius:999px;background:#ffffff38;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff14}.loading-progress__bar{height:100%;width:0%;border-radius:999px;background:#ffffffeb;transition:width .12s linear}.loading-subtext{color:#ffffffeb;font-size:14px;line-height:1.45;text-align:center;max-width:720px;overflow-wrap:anywhere}.loading-toast{position:fixed;left:50%;bottom:18px;transform:translate(-50%);z-index:2100;display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:#141414eb;color:#fff;box-shadow:0 12px 30px #00000059;max-width:min(560px,calc(100vw - 28px));pointer-events:none}.loading-toast-spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:#fffffff2;animation:flashcards-spin .9s linear infinite;flex:0 0 auto}.loading-toast-text{font-size:14px;line-height:1.35;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toast-host{position:fixed;left:50%;bottom:18px;transform:translate(-50%);z-index:2200;display:flex;flex-direction:column;gap:10px;width:min(560px,calc(100vw - 28px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:12px;background:#141414eb;color:#fff;box-shadow:0 12px 30px #00000059;border:1px solid rgba(255,255,255,.12)}.toast--error{border-color:#ff505059}.toast--success{border-color:#50ffa047}.toast--warning{border-color:#ffc8504d}.toast__message{flex:1;font-size:14px;line-height:1.35;white-space:pre-line;overflow-wrap:anywhere}.toast__close{flex:0 0 auto;border:none;background:transparent;color:#ffffffe6;padding:4px;border-radius:8px;cursor:pointer}.toast__close:hover{background:#ffffff1f}.loading-spinner{width:44px;height:44px;border-radius:50%;border:4px solid rgba(255,255,255,.35);border-top-color:#fffffff2;animation:flashcards-spin .9s linear infinite}.loading-text{color:#fff;font-size:16px;line-height:1.4;text-align:center;max-width:520px}.card-inline-loader{max-width:600px;margin:0 auto;padding:36px 16px;min-height:min(52vh,520px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}.card-inline-loader .loading-text{color:var(--text-primary)}.card-inline-loader .loading-spinner{border-color:#0000002e;border-top-color:#000000a6}:root[data-theme=dark] .card-inline-loader .loading-spinner{border-color:#ffffff42;border-top-color:#ffffffd9}.deck-inline-loader{max-width:600px;margin:0 auto;padding:36px 16px;min-height:min(52vh,520px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}.deck-inline-loader .loading-text{color:var(--text-primary)}.deck-inline-loader .loading-spinner{border-color:#0000002e;border-top-color:#000000a6}:root[data-theme=dark] .deck-inline-loader .loading-spinner{border-color:#ffffff42;border-top-color:#ffffffd9}#auth-loading-overlay.loading-overlay,#route-loading-overlay.loading-overlay{background:var(--auth-overlay-bg)}#auth-loading-overlay .loading-text,#route-loading-overlay .loading-text{color:var(--auth-overlay-text)}#auth-loading-overlay .loading-subtext,#route-loading-overlay .loading-subtext{color:var(--auth-overlay-text);opacity:.85}#auth-loading-overlay .loading-spinner,#route-loading-overlay .loading-spinner{border-color:var(--auth-spinner-track);border-top-color:var(--auth-spinner-head)}@keyframes flashcards-spin{to{transform:rotate(360deg)}}.spin{animation:flashcards-spin .9s linear infinite}.popup-overlay.hidden{display:none}.popup-content{background:var(--bg-secondary);border-radius:12px;box-shadow:0 10px 40px var(--shadow-lg);min-width:400px;max-width:90%;max-height:90vh;overflow:auto;transition:background-color .3s ease,box-shadow .3s ease}.popup-header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;border-bottom:1px solid var(--border-color)}.popup-header-actions{display:inline-flex;align-items:center;gap:6px}.popup-header h3{margin:0;color:var(--text-primary);font-size:20px;font-weight:600}.popup-close,.popup-icon-button{background:transparent;border:none;color:var(--text-secondary);font-size:20px;cursor:pointer;width:40px;height:40px;padding:0;border-radius:6px;transition:background-color .2s ease,color .2s ease;display:inline-flex;align-items:center;justify-content:center;line-height:1}.popup-close svg,.popup-icon-button svg{display:block}.popup-close:hover,.popup-icon-button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.popup-body{padding:20px}.audio-actions-body .btn{justify-content:flex-start}.account-info-item{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.account-info-item:last-child{margin-bottom:0}.account-info-item label{font-weight:600;color:var(--text-secondary);font-size:14px;text-transform:uppercase;letter-spacing:.5px}.account-info-item span{color:var(--text-primary);font-size:16px;word-break:break-word}#logout-btn{justify-content:center}#auth-section{display:none;justify-content:center;align-items:stretch;min-height:100vh;padding:28px 16px}#auth-section:not(.hidden){display:flex}.auth-container{background:var(--bg-secondary);padding:40px;border-radius:12px;box-shadow:0 10px 40px var(--shadow-lg);text-align:center;transition:background-color .3s ease,box-shadow .3s ease}.auth-container h1{margin-bottom:30px;color:var(--accent-color)}.auth-landing{width:min(1120px,100%);display:flex;align-items:stretch;gap:28px}.auth-landing__promo{order:1;flex:1 1 auto;min-width:0}.auth-landing__signin{order:2;flex:0 0 420px;max-width:480px;width:100%}.auth-card{text-align:left;padding:34px;position:sticky;top:18px;align-self:flex-start}.auth-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--text-primary)}.auth-brand__logo{width:28px;height:28px;flex:0 0 auto}.auth-brand__name{font-size:16px;font-weight:900;letter-spacing:-.01em;line-height:1.1}.auth-card__title{margin:0 0 10px;letter-spacing:-.01em}.auth-container .auth-card__title{margin:0 0 10px}.auth-card__subtitle{margin:0 0 10px;font-weight:800;color:var(--text-primary);letter-spacing:-.01em}.auth-card__body{margin:0 0 18px;color:var(--text-secondary);line-height:1.5;font-size:14px}.auth-card #login-btn{width:100%;justify-content:center}.auth-promo__headline{margin:0 0 10px;font-size:28px;font-weight:900;letter-spacing:-.02em;color:var(--text-primary)}.auth-promo__subhead{margin:0 0 18px;color:var(--text-secondary);font-size:15px;line-height:1.6;max-width:72ch}.auth-benefits{display:grid;grid-template-columns:1fr;gap:12px;margin:16px 0 18px}.auth-benefit{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;padding:14px;box-shadow:0 2px 10px var(--shadow-sm)}.auth-benefit__title{font-weight:900;letter-spacing:-.01em;color:var(--text-primary);margin-bottom:6px}.auth-benefit__body{color:var(--text-secondary);font-size:14px;line-height:1.5}.auth-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.auth-shot{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;overflow:hidden;box-shadow:0 2px 10px var(--shadow-sm)}.auth-shot--button{appearance:none;background:none;border:none;padding:0;color:inherit;text-align:left;cursor:pointer}.auth-shot--button:hover{transform:translateY(-1px);box-shadow:0 10px 24px var(--shadow-md)}.auth-shot--button:focus-visible{outline:3px solid color-mix(in srgb,var(--accent-color) 55%,transparent);outline-offset:2px}.auth-shot__frame{position:relative;height:clamp(170px,22vw,260px);background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);overflow:hidden}.auth-shot__img{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;padding:12px;background:var(--bg-tertiary)}.auth-shot__meta{padding:12px 12px 14px}.auth-shot__title{font-weight:900;color:var(--text-primary);letter-spacing:-.01em;margin-bottom:4px}.auth-shot__caption{color:var(--text-secondary);font-size:13px;line-height:1.45}.auth-lightbox-overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:flex-start;justify-content:center;padding:18px;background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);overflow-y:auto}.auth-lightbox{width:min(1100px,100%);height:min(720px,calc(100vh - 36px));max-height:min(720px,calc(100vh - 36px));background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 18px 60px var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;margin:0 auto}@supports (height: 100dvh){.auth-lightbox{height:min(720px,calc(100dvh - 36px));max-height:min(720px,calc(100dvh - 36px))}}.auth-lightbox__topbar{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:14px 14px 10px;border-bottom:1px solid var(--border-color)}.auth-lightbox__meta{min-width:0}.auth-lightbox__title{font-weight:900;letter-spacing:-.01em;color:var(--text-primary);margin-bottom:2px}.auth-lightbox__caption{color:var(--text-secondary);font-size:13px;line-height:1.45;max-width:80ch}.auth-lightbox__close{white-space:nowrap}.auth-lightbox__stage{flex:1 1 auto;padding:14px;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden}.auth-lightbox__nav{min-width:140px;justify-content:center}.auth-lightbox__img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:12px;display:block}.auth-lightbox__footer{display:flex;gap:12px;padding:12px 14px 14px;border-top:1px solid var(--border-color);justify-content:space-between}@media(max-width:720px){.auth-lightbox__nav{min-width:0;width:100%}.auth-lightbox__footer{flex-direction:column}}.auth-promo__note{margin:14px 0 0;color:var(--text-secondary);font-size:13px;line-height:1.45}.auth-featured-decks{margin-top:18px}.auth-featured-decks__header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0 0 6px}.auth-featured-decks__title{margin:0;font-size:16px;font-weight:900;letter-spacing:-.01em;color:var(--text-primary)}.auth-featured-decks__label{color:var(--text-secondary);font-size:13px;font-weight:700;white-space:nowrap}.auth-featured-decks__cta{margin-bottom:10px}.auth-featured-decks__status{color:var(--text-secondary);font-size:13px;line-height:1.45;margin:6px 0 2px}.auth-featured-decks__card{display:block;text-decoration:none;color:inherit}@media(max-width:980px){.auth-landing{flex-direction:column}.auth-landing__signin{order:0;flex:0 0 auto;max-width:none}.auth-landing__promo{order:1}.auth-card{position:static}.auth-shots{grid-template-columns:1fr}}@media(min-width:980px){.auth-benefits,.auth-shots{grid-template-columns:repeat(2,minmax(0,1fr))}}#main-app{padding-top:0}.ai-words-limit-banner{position:sticky;top:0;z-index:40;background:var(--status-error-bg);color:var(--status-error-text);border-bottom:1px solid var(--border-color);box-shadow:0 2px 10px var(--shadow-md)}.ai-words-limit-banner__inner{max-width:600px;margin:0 auto;padding:10px;font-size:13px;line-height:1.35;white-space:pre-line}header{background:var(--bg-secondary);padding:0;width:100%;box-shadow:0 2px 10px var(--shadow-md);transition:background-color .3s ease,box-shadow .3s ease;border-bottom:1px solid var(--border-color)}header>div{max-width:600px;margin:0 auto;padding:10px}.flashcards-header-inner--card{max-width:600px}.flashcards-header-title{font-size:22px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info{display:flex;align-items:center;gap:10px}header .user-info .btn-icon{padding:12px 14px}.btn-icon{background:var(--bg-tertiary);color:var(--text-primary);border:none;border-radius:8px;padding:12px 24px;cursor:pointer;font-size:16px;font-weight:500;transition:all .3s;display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--border-color)}#main-app .view-content{max-width:600px;margin:0 auto}.view-content{display:none}.view-content.active{display:block}.card{background:var(--bg-secondary);padding:30px;margin-bottom:20px;transition:background-color .3s ease,box-shadow .3s ease}.card h2{margin-bottom:20px;color:var(--accent-color)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-secondary)}textarea,input[type=text],input[type=number],select{width:100%;padding:12px;border:2px solid var(--border-color);border-radius:8px;font-size:16px;font-family:inherit;transition:border-color .3s,background-color .3s,color .3s;background:var(--bg-secondary);color:var(--text-primary)}textarea:focus,input:focus,select:focus{outline:none;border-color:var(--accent-color)}textarea{resize:vertical;min-height:150px}select[multiple]{min-height:100px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;display:inline-flex;cursor:pointer;transition:all .3s;align-items:center;justify-content:center}.autofill-tabs{display:flex;gap:16px;align-items:flex-end;margin-bottom:12px;border-bottom:1px solid var(--border-color);padding-bottom:2px;flex-wrap:wrap}.autofill-mode-toggle{padding:8px 12px;font-size:14px;border-radius:999px;white-space:nowrap;flex-shrink:0}.autofill-header-row{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:8px}.autofill-header-row label{margin:0}.autofill-description-group{margin-bottom:0}.autofill-tab{appearance:none;background:none;border:none;padding:10px 2px;margin:0;font:inherit;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}.autofill-tab:hover{color:var(--text-primary)}.autofill-tab.is-active{color:var(--text-primary);font-weight:700;border-bottom-color:var(--accent-color)}.autofill-tab:disabled{opacity:.6;cursor:not-allowed}.autofill-tab:focus-visible{outline:2px solid color-mix(in srgb,var(--accent-color) 55%,transparent);outline-offset:3px;border-radius:8px}.btn svg{display:block}.link-button{background:none;border:none;padding:0;margin:0;font:inherit;display:inline-flex;align-items:center;cursor:pointer;color:var(--accent-color);text-decoration:underline;text-underline-offset:3px}.link-button:hover{color:var(--accent-hover)}.link-button:focus-visible{outline:2px solid color-mix(in srgb,var(--accent-color) 55%,transparent);outline-offset:3px;border-radius:4px}.export-download-link{margin-top:16px}.has-tooltip{position:relative}.has-tooltip:after{content:attr(data-tooltip);position:absolute;left:50%;bottom:calc(100% + 10px);transform:translate(-50%,6px);padding:6px 10px;border-radius:8px;background:#000000d9;color:#fff;font-size:12px;font-weight:600;line-height:1.2;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:1000}.has-tooltip:before{content:"";position:absolute;left:50%;bottom:calc(100% + 4px);transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid rgba(0,0,0,.85);opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:1000}.has-tooltip:hover:after,.has-tooltip:focus-visible:after{opacity:1;transform:translate(-50%)}.has-tooltip:hover:before,.has-tooltip:focus-visible:before{opacity:1}.examples-header .has-tooltip:after{top:calc(100% + 10px);bottom:auto;transform:translate(-50%,-6px)}.examples-header .has-tooltip:hover:after,.examples-header .has-tooltip:focus-visible:after{transform:translate(-50%)}.examples-header .has-tooltip:before{top:calc(100% + 4px);bottom:auto;border-top:0;border-bottom:6px solid rgba(0,0,0,.85)}.popup-header .has-tooltip:after{top:calc(100% + 10px);bottom:auto;transform:translate(-50%,-6px)}.popup-header .has-tooltip:hover:after,.popup-header .has-tooltip:focus-visible:after{transform:translate(-50%)}.popup-header .has-tooltip:before{top:calc(100% + 4px);bottom:auto;border-top:0;border-bottom:6px solid rgba(0,0,0,.85)}.btn-primary{background:var(--accent-color);color:var(--text-on-accent)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow-md)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--border-color)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}#voice-selection{margin-top:20px;padding:20px;background:var(--bg-tertiary);border-radius:8px;transition:background-color .3s ease}.voice-selector{margin-bottom:15px}.voice-selector label{display:block;margin-bottom:5px;font-weight:500;color:var(--text-primary)}#generation-status{margin-top:20px;padding:15px;border-radius:8px;transition:background-color .3s ease,color .3s ease}#generation-status.status-info{background:var(--status-info-bg);color:var(--status-info-text)}#generation-status.status-success{background:var(--status-success-bg);color:var(--status-success-text)}#generation-status.status-error{background:var(--status-error-bg);color:var(--status-error-text)}#audio-player-section{border-radius:8px;transition:background-color .3s ease;margin-bottom:10px;position:sticky;top:0;z-index:10}#generated-audio{width:100%}.synchronized-text{background:var(--bg-secondary);border-radius:8px;line-height:1.8;font-size:16px;transition:background-color .3s ease}.text-line{margin-bottom:10px;padding:8px;border-radius:4px;transition:background-color .3s;color:var(--text-primary)}.text-line.highlighted{background-color:var(--highlight-bg);font-weight:500}.search-filters{margin-bottom:30px}.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-top:15px}.library-list{display:grid;gap:15px}.library-item{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:24px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);box-shadow:0 2px 4px var(--shadow-sm);transition:all .3s ease}.library-item:hover{box-shadow:0 4px 12px var(--shadow-md);transform:translateY(-2px);border-color:var(--accent-color)}.library-item-content{flex:1;min-width:0}.library-item-text{color:var(--text-primary);font-size:18px;line-height:1.6;margin-bottom:12px;word-wrap:break-word}.library-item-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-secondary);margin-bottom:10px}.meta-item{display:inline-flex;align-items:center;padding:4px 10px;background:var(--bg-tertiary);border-radius:6px;font-weight:500;color:var(--text-primary)}.library-item-actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.btn-small{padding:6px 12px;font-size:14px}.empty-state{text-align:center;padding:40px;color:var(--text-secondary)}.decks-empty-state{min-height:40vh;display:flex;align-items:center;justify-content:center;grid-column:1 / -1;width:100%}.decks-empty-state p{font-size:20px;color:var(--text-primary)}.empty-state.error-state{color:var(--status-error-text)}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1000;justify-content:center;align-items:center}.modal.active{display:flex}.modal-content{background:var(--bg-secondary);padding:30px;border-radius:12px;max-width:800px;width:90%;max-height:90vh;overflow-y:auto;transition:background-color .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-secondary)}.modal-close:hover{color:var(--text-primary)}