:root,[data-theme=dark]{color-scheme:dark;--bg: #0f1117;--panel: #151922;--panel-2: #1b2030;--border: #2a2f3a;--text: #e8eaed;--muted: #9aa3b2;--active: #3b82f6;--active-text: #fff;--danger-bg: #7f1d1d;--danger-border: #991b1b;--danger-text: #fecaca;--error-bg: #3b1d1d;--error-text: #fca5a5;--shadow: rgba(0, 0, 0, .45);--playing-border: #3b82f6}[data-theme=light]{color-scheme:light;--bg: #f4f6fa;--panel: #ffffff;--panel-2: #eef2f8;--border: #d5dbe7;--text: #1c2430;--muted: #66758c;--active: #2563eb;--active-text: #fff;--danger-bg: #fee2e2;--danger-border: #fca5a5;--danger-text: #991b1b;--error-bg: #fee2e2;--error-text: #991b1b;--shadow: rgba(28, 36, 48, .16);--playing-border: #2563eb}html,body,#root{margin:0;min-height:100%;max-width:100%}body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);overscroll-behavior-x:none}body.playlist-lock,html.playlist-lock{overflow:hidden;overscroll-behavior:none}body.playlist-lock{touch-action:none}*,*:before,*:after{box-sizing:border-box}button,input,select{font:inherit}.btn{border:1px solid var(--border);background:var(--panel-2);color:var(--text);border-radius:8px;padding:8px 12px}.btn-sm{padding:6px 10px;font-size:13px}.btn.active{background:var(--active);border-color:var(--active);color:var(--active-text)}.btn.danger{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}.btn:disabled{opacity:.45}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;padding:0}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:min(100%,360px);display:flex;flex-direction:column;gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}.login-card h1{margin:0;font-size:22px}.hint{margin:0;color:var(--muted)}.error{color:var(--error-text);margin:0}.login-card input,.search{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px}.page{min-height:100vh;max-width:100%;display:flex;flex-direction:column}.chrome{overflow:hidden;max-height:280px;opacity:1;background:var(--panel);border-bottom:1px solid var(--border);transition:max-height .22s ease,opacity .18s ease,border-color .18s ease}.chrome:has(.menu-select.open){overflow:visible}.page.chrome-hidden .chrome{max-height:0;opacity:0;pointer-events:none;border-bottom-color:transparent}.topbar,.toolbar,.filters{display:flex;gap:8px;padding:12px;background:var(--panel);flex-wrap:wrap;align-items:center}.filters-status{flex:1;min-width:0;color:var(--muted);font-size:13px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filters-play{flex-shrink:0;color:var(--muted);background:transparent;border-color:var(--border)}.playbar{--playbar-control-h: 36px;display:flex;gap:8px;padding:12px;background:var(--panel);flex-wrap:nowrap;align-items:center;max-width:100%;touch-action:pan-y}.playbar .btn{height:var(--playbar-control-h);min-height:var(--playbar-control-h);padding:0 10px;display:inline-flex;align-items:center;justify-content:center;line-height:1}.playbar .btn-sm{font-size:13px}.playbar .icon-btn{width:var(--playbar-control-h);min-width:var(--playbar-control-h);padding:0}.playbar .playbar-transport.icon-btn{width:auto;min-width:4.5em;padding:0 10px}.playbar .playbar-select .menu-select-trigger{height:var(--playbar-control-h);min-height:var(--playbar-control-h);padding:0 8px;font-size:13px;line-height:1}.topbar,.toolbar{border-bottom:1px solid var(--border)}.sticky-tools{position:sticky;top:0;z-index:4;background:var(--panel);border-bottom:1px solid var(--border);padding-top:env(safe-area-inset-top,0px)}.sticky-tools:has(.menu-select.open),.sticky-tools:has(.playbar-prefs.open){z-index:6;overflow-x:clip;overflow-y:visible}.wordbook-select{flex:1;min-width:0}.toolbar .search{flex:1}.filters{overflow-x:hidden;flex-wrap:nowrap;border-bottom:0;touch-action:pan-y;max-width:100%}.filters>.btn{flex-shrink:0}.playbar-status{flex:1;min-width:0;color:var(--muted);font-size:13px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.playbar-stop,.playbar-play,.playbar-prev,.playbar-prefs-trigger,.playbar-theme-btn{flex-shrink:0;color:var(--muted);background:transparent;border-color:var(--border)}.playbar-stop,.playbar-prev{min-width:4.5em;padding:0 10px}.playbar-prefs{position:relative;flex-shrink:0}.playbar-prefs-panel{position:absolute;left:0;z-index:9;display:flex;flex-direction:row;align-items:center;gap:8px;padding:8px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px var(--shadow);overflow:visible}.playbar-prefs-panel.menu-down{top:calc(100% + 6px)}.playbar-prefs-panel.menu-up{bottom:calc(100% + 6px)}.playbar-transport{flex-shrink:0;color:var(--muted);background:transparent;border-color:var(--border)}.menu-select{position:relative;display:inline-flex;vertical-align:middle}.menu-select-trigger{display:inline-flex;align-items:center;gap:6px;width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 10px;text-align:left;cursor:pointer}.menu-select-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu-select-caret{flex-shrink:0;color:var(--muted);font-size:12px;line-height:1}.menu-select-menu{position:absolute;left:0;z-index:8;min-width:100%;max-height:min(280px,50vh);overflow-y:auto;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px var(--shadow)}.menu-select-menu.menu-down{top:calc(100% + 6px)}.menu-select-menu.menu-up{bottom:calc(100% + 6px)}.wordbook-select .menu-select-menu{min-width:max(100%,220px)}.playbar-select{width:max-content;min-width:max-content;flex-shrink:0}.playbar-select .menu-select-trigger{padding:0 8px;font-size:13px;gap:4px}.playbar-select .menu-select-label{flex:0 0 auto}.playbar-select .menu-select-menu{min-width:max(100%,5.5em)}.menu-select-option{display:block;width:100%;border:0;background:transparent;color:var(--text);text-align:left;padding:10px 12px;cursor:pointer}.menu-select-option.selected,.menu-select-option:hover{background:var(--panel)}.banner{margin:8px 12px 0;padding:8px 12px;border-radius:8px}.banner.error{background:var(--error-bg);color:var(--error-text)}.list{flex:1;padding:12px;display:flex;flex-direction:column;gap:10px;padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.list-sentinel{height:1px;width:100%}.list-footer-status{text-align:center;color:var(--muted);font-size:13px;padding:8px 0 16px}.empty{padding:32px 12px;text-align:center;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;gap:12px;align-items:stretch;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation}.card-playing{border-color:var(--playing-border);box-shadow:0 0 0 1px var(--playing-border) inset}.card-main{flex:1;min-width:0}.card-word-row{display:flex;align-items:baseline;gap:8px;min-width:0}.card-word-slot{flex:1;min-width:0}.card-word{display:inline-block;max-width:100%;font-size:2.07rem;line-height:1.2;white-space:nowrap;overflow:hidden}.card-phonetic{margin-left:auto;flex-shrink:0;color:var(--muted);font-size:15.6px;font-weight:400}.translation{margin:6px 0 0;font-size:1.2em}.tag-col{display:flex;flex-direction:column;gap:6px;flex-shrink:0;width:4.8em}.tag-btn{width:100%;padding-left:0;padding-right:0;font-size:12px}.fab-top{position:fixed;right:16px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:6;width:44px;height:44px;border-radius:22px;border:1px solid var(--border);background:var(--panel);color:var(--text);box-shadow:0 8px 24px var(--shadow);display:inline-flex;align-items:center;justify-content:center;padding:0}.page.playlist-mode{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;min-height:0;overflow:hidden;overscroll-behavior:none;z-index:2;padding-top:env(safe-area-inset-top,0px);box-sizing:border-box}.page.playlist-mode .sticky-tools{order:2;position:relative;top:auto;flex-shrink:0;padding-top:0;padding-bottom:env(safe-area-inset-bottom,0px);border-bottom:0;border-top:1px solid var(--border);z-index:4}.page.playlist-mode .sticky-tools:has(.menu-select.open),.page.playlist-mode .sticky-tools:has(.playbar-prefs.open){z-index:8;overflow-x:clip;overflow-y:visible}.page.playlist-mode .playlist-view{order:1;flex:1;min-height:0;padding-bottom:6px}.playlist-view{flex:1;min-height:0;display:flex;flex-direction:column;padding:8px;gap:4px}.playlist-current{flex:1 1 50%;min-height:0;cursor:pointer;display:flex;flex-direction:column;transition:opacity .2s ease,border-color .2s ease;position:relative}.playlist-current.is-playing{border-color:var(--playing-border);box-shadow:0 0 0 1px var(--playing-border) inset}.playlist-current.is-paused{border-color:var(--muted);box-shadow:none}.playlist-current.card-exiting{opacity:0}.playlist-current.card-entering{animation:playlist-fade-in .2s ease}@keyframes playlist-fade-in{0%{opacity:0}to{opacity:1}}.playlist-current-body{flex:1;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;width:100%;min-width:0;min-height:0;gap:6px}.playlist-current-footer{flex-shrink:0;display:flex;flex-direction:column;align-items:stretch;gap:8px;width:100%;margin-top:auto}.playlist-current-phonetic{width:100%;text-align:right;color:var(--muted);font-size:1.21875rem;font-weight:400;line-height:1.35}.playlist-current-word{font-size:5.175rem;line-height:1.15;font-weight:700;text-align:left;max-width:100%;white-space:nowrap}.playlist-current-translation{margin:0;text-align:left;font-size:1.5em;word-break:break-word;overflow-wrap:break-word}.playlist-current-translation.is-solo{font-size:2.4rem;line-height:1.35;font-weight:600}.playlist-current-loading{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);min-height:120px}.playlist-upcoming{flex:0 0 auto;min-height:0;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}.playlist-lower{flex:1 1 50%;min-height:0;display:flex;flex-direction:column;gap:4px}.playlist-upcoming-header{flex-shrink:0;padding:10px 12px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.playlist-upcoming-browse-hint{margin-left:auto;font-size:12px;color:var(--text);opacity:.7}.playlist-upcoming-body{flex:0 0 auto;height:168px;overflow:hidden;overscroll-behavior:contain;touch-action:pan-y}.playlist-upcoming-body.is-browsing{overflow-y:auto;-webkit-overflow-scrolling:touch}.playlist-upcoming-track{will-change:transform}.playlist-upcoming.is-browsing .playlist-upcoming-track{will-change:auto;transform:none!important;transition:none!important}.playlist-upcoming-track.sliding{transition:transform .52s ease;transform:translateY(-56px)}.playlist-upcoming-empty{padding:16px 12px;color:var(--muted);font-size:13px}.playlist-upcoming-row{flex-shrink:0;height:56px;padding:8px 12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:0;box-sizing:border-box}.playlist-upcoming-row.is-past{opacity:.45}.playlist-upcoming-row.is-current{background:var(--panel-2);box-shadow:inset 3px 0 0 var(--playing-border)}.playlist-upcoming-row-loading{justify-content:center}.playlist-upcoming-main{display:flex;align-items:baseline;gap:8px;min-width:0}.playlist-upcoming-word{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.playlist-upcoming-phonetic{margin-left:auto;flex-shrink:0;color:var(--muted);font-size:13px}.playlist-upcoming-translation{margin:0;font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playlist-upcoming-muted{color:var(--muted);font-size:13px}.playlist-remaining-tags{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:0;overflow:hidden;box-sizing:border-box}.playlist-remaining-tags-row{flex:1;min-height:0;display:flex;flex-direction:row;gap:0;width:100%}.playlist-remaining-tag-cell{flex:1;min-width:0;min-height:0;height:100%;margin:0;padding:0;border:0;border-radius:0;border-right:1px solid var(--border);background:transparent;color:var(--text);font:inherit;font-size:1.15rem;font-weight:600;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent}.playlist-remaining-tag-cell:last-child{border-right:0}.playlist-remaining-tag-cell:disabled{opacity:.55;cursor:default}.playlist-remaining-tag-cell:not(:disabled):active{background:var(--panel-2)}.playlist-remaining-tags-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}