.access-notice[data-v-3e88fbea]{border:1px solid var(--warning-border);background:linear-gradient(180deg, color-mix(in srgb, var(--warning-soft) 45%, var(--surface-bg)) 0%, var(--surface-bg) 100%);width:min(1080px,100% - 32px);box-shadow:var(--surface-shadow);border-radius:18px;justify-content:space-between;align-items:center;gap:16px;margin:18px auto 0;padding:16px 20px;display:flex}.access-notice-kicker[data-v-3e88fbea]{color:var(--warning-strong);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;font-size:.78rem;font-weight:700}.access-notice strong[data-v-3e88fbea]{color:var(--text-strong);font-size:1rem;display:block}.access-notice p[data-v-3e88fbea]:last-child{color:var(--text-muted);margin:6px 0 0;line-height:1.6}.access-notice-actions[data-v-3e88fbea]{flex-shrink:0;align-items:center;gap:10px;display:flex}.access-notice-dismiss[data-v-3e88fbea]{background:var(--control-bg);color:var(--warning-text);border-radius:999px;padding:12px 16px;font-weight:700}@media (width<=900px){.access-notice[data-v-3e88fbea]{flex-direction:column;align-items:flex-start}.access-notice-actions[data-v-3e88fbea]{flex-wrap:wrap;justify-content:flex-start;width:100%}}.global-error-fallback[data-v-3e88fbea]{text-align:center;color:#334155;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:40px 24px;display:flex}.global-error-fallback h2[data-v-3e88fbea]{margin:0 0 12px;font-size:1.25rem}.global-error-fallback p[data-v-3e88fbea]{color:#64748b;max-width:480px;margin:0 0 24px;line-height:1.6}:root{color:#0f172a;background:var(--app-bg);--app-bg:radial-gradient(circle at top left, #e0e7ff 0%, transparent 28%), radial-gradient(circle at right top, #c7d2fe 0%, transparent 24%), linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg:#f8fafc;--bg-soft:#f1f5f9;--panel:#fffffff0;--panel-strong:#fff;--panel-border:#4f46e524;--text:#0f172a;--muted:#64748b;--page-bg:#f4f6fb;--surface-bg:#fff;--surface-border:#ebeff5;--surface-border-strong:#d7ddea;--surface-shadow:0 16px 36px #0f172a0f;--control-bg:#f8fafc;--text-strong:#212936;--text-secondary:#5c6778;--text-muted:#7a8494;--warning-soft:#f59e0b1f;--warning-border:#f59e0b38;--warning-text:#92400e;--warning-strong:#d97706;--accent:#4f46e5;--accent-strong:#4338ca;--accent-soft:#4f46e51a;--success:#10b981;--warning:#f59e0b;--shadow:0 18px 40px #0f172a14;--radius-lg:28px;--radius-md:18px;--radius-sm:12px;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}html[data-theme=dim]{--app-bg:radial-gradient(circle at top left, #3b82f629 0%, transparent 22%), radial-gradient(circle at right top, #818cf81f 0%, transparent 18%), linear-gradient(180deg, #020617 0%, #0b1120 100%);--bg:#0f172a;--bg-soft:#111827;--panel:#0f172aeb;--panel-strong:#111827;--panel-border:#94a3b829;--text:#e2e8f0;--muted:#94a3b8;--page-bg:#0b1120;--surface-bg:#111827;--surface-border:#94a3b829;--surface-border-strong:#94a3b83d;--surface-shadow:0 24px 54px #0206176b;--control-bg:#0f172ac7;--text-strong:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--warning-soft:#f59e0b2e;--warning-border:#f59e0b42;--warning-text:#fcd34d;--warning-strong:#fbbf24;--shadow:0 22px 52px #0206177a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}html{background:var(--app-bg);transition:background .2s,color .2s}body{color:var(--text);background:var(--page-bg);transition:background .2s,color .2s}button,input{font:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button{cursor:pointer;border:0}:where(button,a,input,select,textarea,[role=button],[tabindex="0"]):focus-visible{outline-offset:2px;outline:2px solid #4f46e58c}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.auth-shell{background:0 0}.site-header{z-index:20;background:var(--surface-bg);border-bottom:1px solid var(--surface-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:space-between;align-items:center;gap:20px;padding:16px 24px;display:flex;position:sticky;top:0}.site-brand{align-items:center;gap:10px;display:inline-flex}.site-brand-main{color:var(--text-strong);font-size:1.15rem;font-weight:800}.site-brand-divider{color:var(--surface-border-strong);font-weight:700}.site-brand-sub{color:var(--text-secondary);font-size:1.02rem;font-weight:700}.site-nav{flex-wrap:wrap;flex:1;justify-content:center;align-items:center;gap:12px;min-width:0;display:flex}.site-nav-group{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.site-nav-group-boards{gap:10px}.site-nav-divider{background:var(--surface-border-strong);flex-shrink:0;width:1px;height:24px}.site-nav-link{border:1px solid var(--surface-border);background:var(--control-bg);min-height:38px;color:var(--text-secondary);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:8px 16px;font-size:.9rem;font-weight:700;line-height:1;transition:color .16s,background .16s,border-color .16s,box-shadow .16s,transform .16s;display:inline-flex}.site-nav-link.router-link-active,.site-nav-link.active,.site-nav-link:hover{color:var(--text-strong);border-color:#6366f147;transform:translateY(-1px);box-shadow:0 6px 14px #4f46e514}.site-nav-link.router-link-active,.site-nav-link.active{background:var(--accent-soft)}.site-nav-link:not(.router-link-active):not(.active):hover{background:color-mix(in srgb, var(--control-bg) 55%, var(--surface-bg))}.site-nav-board{font-weight:700}.site-actions{align-items:center;gap:10px;display:flex}.site-icon-btn{border:1px solid var(--surface-border);background:var(--control-bg);width:30px;height:30px;color:var(--text-muted);border-radius:50%;font-size:1rem;transition:background .16s,border-color .16s,color .16s,transform .16s}.site-icon-btn:hover{color:var(--text-strong);border-color:var(--surface-border-strong);transform:translateY(-1px)}.shell-main,.auth-main,.lesson-main,.catalog-main{width:100%;margin:0;padding:0}.lesson-fullscreen,.catalog-fullscreen{background:var(--page-bg)}.lesson-fullscreen .shell-main{width:100%;max-width:100%;margin:0;padding:0}.page-stack{flex-direction:column;gap:24px;display:flex}.card-surface{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}html[data-theme=dim] .catalog-replica .top-filter-bar,html[data-theme=dim] .catalog-replica .catalog-summary,html[data-theme=dim] .catalog-replica .catalog-calendar-card,html[data-theme=dim] .catalog-replica .catalog-weekly-card,html[data-theme=dim] .catalog-replica .catalog-vocab-card,html[data-theme=dim] .catalog-replica .catalog-card{background:var(--surface-bg)!important;border-color:var(--surface-border)!important;box-shadow:var(--surface-shadow)!important}html[data-theme=dim] .catalog-replica .filter-pill,html[data-theme=dim] .catalog-replica .filter-sort-pill,html[data-theme=dim] .catalog-replica .filter-inline-select select,html[data-theme=dim] .catalog-replica .filter-clear-btn,html[data-theme=dim] .catalog-replica .filter-text-tag,html[data-theme=dim] .catalog-replica .summary-resume,html[data-theme=dim] .catalog-replica .vocab-entry,html[data-theme=dim] .catalog-replica .weekly-bar,html[data-theme=dim] .catalog-replica .cal-day{background:var(--control-bg)!important;border-color:var(--surface-border-strong)!important;color:var(--text-secondary)!important}html[data-theme=dim] .catalog-replica .catalog-card h3,html[data-theme=dim] .catalog-replica .resume-title,html[data-theme=dim] .catalog-replica .stat-row-value,html[data-theme=dim] .catalog-replica .cal-title,html[data-theme=dim] .catalog-replica .weekly-title,html[data-theme=dim] .catalog-replica .vocab-entry-info strong{color:var(--text-strong)!important}html[data-theme=dim] .catalog-replica .catalog-card-summary,html[data-theme=dim] .catalog-replica .stat-row-label,html[data-theme=dim] .catalog-replica .weekly-text,html[data-theme=dim] .catalog-replica .vocab-entry-info span,html[data-theme=dim] .catalog-replica .catalog-card-footer,html[data-theme=dim] .catalog-replica .catalog-card-author,html[data-theme=dim] .catalog-replica .catalog-card-issue{color:var(--text-muted)!important}html[data-theme=dim] .catalog-replica,html[data-theme=dim] .collections-page,html[data-theme=dim] .shado-lesson,html[data-theme=dim] .guide-page,html[data-theme=dim] .feedback-page,html[data-theme=dim] .profile-page{background:var(--page-bg)!important;color:var(--text)!important}html[data-theme=dim] .collections-tab-bar,html[data-theme=dim] .collections-statbox,html[data-theme=dim] .collections-folderbox,html[data-theme=dim] .collections-main,html[data-theme=dim] .sidebar-back-link,html[data-theme=dim] .collection-card,html[data-theme=dim] .lesson-video-shell,html[data-theme=dim] .lesson-control-card,html[data-theme=dim] .lesson-current-card,html[data-theme=dim] .subtitle-panel,html[data-theme=dim] .lesson-assess-panel,html[data-theme=dim] .print-menu-dropdown,html[data-theme=dim] .play-menu-dropdown,html[data-theme=dim] .subtitle-filter-panel,html[data-theme=dim] .control-dropdown-panel{background:var(--surface-bg)!important;border-color:var(--surface-border)!important;box-shadow:var(--surface-shadow)!important}html[data-theme=dim] .collections-search,html[data-theme=dim] .filter-pill,html[data-theme=dim] .sort-chip,html[data-theme=dim] .title-action-pill,html[data-theme=dim] .sentence-action-btn,html[data-theme=dim] .note-btn.secondary,html[data-theme=dim] .panel-icon-btn,html[data-theme=dim] .subtitle-chip,html[data-theme=dim] .subtitle-select,html[data-theme=dim] .lesson-control-pause,html[data-theme=dim] .lesson-control-pause button,html[data-theme=dim] .assess-action-btn:not(.recording),html[data-theme=dim] .marker-panel-desc,html[data-theme=dim] .summary-resume,html[data-theme=dim] .cal-nav{background:var(--control-bg)!important;border-color:var(--surface-border-strong)!important;color:var(--text-secondary)!important}html[data-theme=dim] .collections-tab,html[data-theme=dim] .folder-row,html[data-theme=dim] .sidebar-back-link div span,html[data-theme=dim] .collections-main-head p,html[data-theme=dim] .collection-card-en,html[data-theme=dim] .all-count,html[data-theme=dim] .filter-label,html[data-theme=dim] .collections-empty{color:var(--text-muted)!important}html[data-theme=dim] .collections-main-head h1,html[data-theme=dim] .collection-card h3,html[data-theme=dim] .sidebar-back-link strong,html[data-theme=dim] .sidebar-stat strong,html[data-theme=dim] .folderbox-heading strong,html[data-theme=dim] .collection-card-zh,html[data-theme=dim] .calendar-streak strong{color:var(--text-strong)!important}html[data-theme=dim] .folder-row.active,html[data-theme=dim] .filter-pill.active,html[data-theme=dim] .sort-chip.active,html[data-theme=dim] .subtitle-chip.active,html[data-theme=dim] .sentence-action-btn.active,html[data-theme=dim] .title-action-pill.done,html[data-theme=dim] .title-action-pill.fav.active{background:var(--accent-soft)!important;color:var(--text-strong)!important;border-color:#6366f159!important}html[data-theme=dim] .lesson-entries-board,html[data-theme=dim] .entry-card,html[data-theme=dim] .shado-lesson,html[data-theme=dim] .lesson-video-shell,html[data-theme=dim] .lesson-control-card,html[data-theme=dim] .lesson-current-card,html[data-theme=dim] .subtitle-panel,html[data-theme=dim] .lesson-assess-panel,html[data-theme=dim] .print-menu-dropdown,html[data-theme=dim] .subtitle-filter-panel,html[data-theme=dim] .play-menu-dropdown,html[data-theme=dim] .control-dropdown-panel,html[data-theme=dim] .token-popup,html[data-theme=dim] .tp-pron-group,html[data-theme=dim] .tp-sense-card,html[data-theme=dim] .tp-sense-card.mode-tags,html[data-theme=dim] .tp-example,html[data-theme=dim] .row-score-detail{background:var(--surface-bg)!important;border-color:var(--surface-border)!important;box-shadow:0 12px 28px #0206173d!important}html[data-theme=dim] .lesson-control-btn span,html[data-theme=dim] .lesson-textarea,html[data-theme=dim] .row-note-textarea,html[data-theme=dim] .panel-icon-btn,html[data-theme=dim] .subtitle-select,html[data-theme=dim] .subtitle-filter-reset,html[data-theme=dim] .control-dropdown-panel button,html[data-theme=dim] .lesson-control-pause,html[data-theme=dim] .lesson-control-pause button,html[data-theme=dim] .assess-action-btn,html[data-theme=dim] .row-action-btn,html[data-theme=dim] .save-answer-btn,html[data-theme=dim] .token-popup-close,html[data-theme=dim] .tp-display-chip,html[data-theme=dim] .tp-union-tag,html[data-theme=dim] .tp-pos,html[data-theme=dim] .tp-fav-btn,html[data-theme=dim] .tp-record-btn,html[data-theme=dim] .entries-chip,html[data-theme=dim] .word-bar-track{background:var(--control-bg)!important;border-color:var(--surface-border-strong)!important;color:var(--text-secondary)!important}html[data-theme=dim] .lesson-control-btn.primary span,html[data-theme=dim] .lesson-control-btn.active span,html[data-theme=dim] .sentence-action-btn.primary,html[data-theme=dim] .assess-action-btn.primary,html[data-theme=dim] .note-btn.secondary,html[data-theme=dim] .subtitle-filter-reset,html[data-theme=dim] .marker-thickness-btns button.active,html[data-theme=dim] .subtitle-filter-item-btn.active,html[data-theme=dim] .control-dropdown-panel button.active,html[data-theme=dim] .row-note-save,html[data-theme=dim] .tp-assess-btn,html[data-theme=dim] .entries-chip.active,html[data-theme=dim] .tp-display-chip.active,html[data-theme=dim] .tp-sense-tag.active{background:var(--accent-soft)!important;color:var(--text-strong)!important;border-color:#6366f159!important}html[data-theme=dim] .note-btn{background:var(--accent)!important;color:#fff!important}html[data-theme=dim] .tp-record-btn.recording,html[data-theme=dim] .row-action-btn.recording{color:#fca5a5!important;background:#ef444429!important}html[data-theme=dim] .lesson-sample-badge,html[data-theme=dim] .lesson-fit-pill,html[data-theme=dim] .lesson-fit-pill.scene,html[data-theme=dim] .tp-score,html[data-theme=dim] .row-score,html[data-theme=dim] .assess-score{border-color:#0000!important}html[data-theme=dim] .lesson-sample-badge,html[data-theme=dim] .lesson-fit-pill,html[data-theme=dim] .tp-score,html[data-theme=dim] .row-score,html[data-theme=dim] .assess-score{color:var(--text-strong)!important;background:#4f46e524!important}html[data-theme=dim] .lesson-fit-pill.scene{color:#a7f3d0!important;background:#10b98124!important}html[data-theme=dim] .lesson-textarea,html[data-theme=dim] .row-note-textarea{color:var(--text-strong)!important}html[data-theme=dim] .subtitle-row.active{box-shadow:none!important;background:#6366f11a!important;border-top-color:#f59e0bb8!important}html[data-theme=dim] .tp-headword,html[data-theme=dim] .tp-def-zh,html[data-theme=dim] .tp-example-en,html[data-theme=dim] .entry-card h3,html[data-theme=dim] .entries-board-head h2,html[data-theme=dim] .subtitle-row-en,html[data-theme=dim] .subtitle-row-zh,html[data-theme=dim] .row-score-text{color:var(--text-strong)!important}html[data-theme=dim] .tp-variant,html[data-theme=dim] .tp-pron-label,html[data-theme=dim] .tp-pron-play,html[data-theme=dim] .tp-def-en,html[data-theme=dim] .tp-example-zh,html[data-theme=dim] .tp-empty,html[data-theme=dim] .tp-compact-line,html[data-theme=dim] .tp-compact-en,html[data-theme=dim] .entries-board-head p,html[data-theme=dim] .entry-card-pronounce,html[data-theme=dim] .entry-card-type,html[data-theme=dim] .entry-card-zh,html[data-theme=dim] .entry-card-en,html[data-theme=dim] .entry-card-example,html[data-theme=dim] .entry-card-occurrence,html[data-theme=dim] .subtitle-row-ipa,html[data-theme=dim] .subtitle-row-index{color:var(--text-muted)!important}html[data-theme=dim] .tp-toolbar,html[data-theme=dim] .tp-score-detail,html[data-theme=dim] .assess-detail,html[data-theme=dim] .lesson-sentence-actions,html[data-theme=dim] .lesson-attempt-box,html[data-theme=dim] .lesson-note-box,html[data-theme=dim] .print-menu-dropdown,html[data-theme=dim] .subtitle-filter-panel,html[data-theme=dim] .play-menu-dropdown,html[data-theme=dim] .control-dropdown-panel{border-color:var(--surface-border)!important}html[data-theme=dim] .tp-bar,html[data-theme=dim] .assess-bar{background:#94a3b829!important}html[data-theme=dim] .subtitle-filter-divider{background:var(--surface-border)!important}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--warning);margin:0 0 10px;font-size:.78rem;font-weight:700}.hero-text,.entry-en,.entry-example,.utility-card p,.login-copy p{color:var(--muted);line-height:1.65}.solid-button,.ghost-button,.toolbar-chip,.quick-pill,.control-pill,.mode-button,.workspace-tab,.status-pill,.meta-pill,.mini-tag{border-radius:999px;justify-content:center;align-items:center;gap:8px;transition:transform .16s,background .16s,color .16s;display:inline-flex}.solid-button,.ghost-button{padding:12px 18px;font-weight:700}.solid-button{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, #818cf8 100%)}.ghost-button{color:var(--accent-strong);background:var(--accent-soft)}.wide{width:100%}.chip-row,.hero-actions,.sentence-actions,.quick-action-row,.stack-row,.entry-tags,.subtitle-mode-bar,.control-grid,.control-groups,.status-row{flex-wrap:wrap;gap:10px;display:flex}.control-groups{justify-content:space-between;gap:16px;margin-top:10px;margin-bottom:10px}.control-group{background:#4f46e50a;border:1px solid #4f46e514;border-radius:999px;flex-wrap:wrap;gap:8px;padding:6px 12px;display:flex}.hero-panel,.filter-panel,.utility-header,.lesson-overview,.login-page{padding:28px}.hero-panel{grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:24px;display:grid}.hero-panel h1,.utility-header h1,.lesson-overview h1,.login-copy h1{margin:0 0 12px;font-size:clamp(2rem,4vw,3.3rem);line-height:1.05}.hero-aside,.overview-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.hero-metric,.overview-metrics>div{border-radius:var(--radius-md);background:var(--panel-strong);border:1px solid #4f46e514;padding:20px}.hero-metric span,.overview-metrics strong{color:var(--accent-strong);font-size:1.9rem;font-weight:800;display:block}.hero-metric p,.overview-metrics span{color:var(--muted);margin:8px 0 0}.panel-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.toolbar-chip,.quick-pill,.control-pill,.mode-button,.workspace-tab{color:var(--muted);background:#ffffffbd;padding:10px 14px}.toolbar-chip.active,.toolbar-chip:hover,.quick-pill.accent,.control-pill.primary,.mode-button.active,.workspace-tab.active{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, #818cf8 100%)}.toolbar-chip.soft{background:#4f46e514}.catalog-grid,.utility-grid,.bottom-boards{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.lesson-card,.utility-card,.board{flex-direction:column;gap:18px;padding:24px;display:flex}.lesson-card-cover{background:linear-gradient(135deg, #4f46e51f, #c7d2fe4d), var(--panel-strong);border-radius:22px;min-height:190px;padding:20px}.lesson-card-cover h3,.utility-card h3,.board h3{margin:0 0 10px;font-size:1.35rem}.lesson-card-cover p:last-child,.lesson-card-cover p{color:var(--muted);line-height:1.65}.lesson-card-meta{flex-wrap:wrap;gap:10px;display:flex}.meta-pill,.status-pill,.mini-tag{color:var(--accent-strong);background:#4f46e514;padding:8px 12px;font-size:.88rem;font-weight:700}.meta-pill.soft,.status-pill.score{color:var(--muted);background:#6b72801a}.lesson-card-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.lesson-card-stats div{border-radius:var(--radius-md);background:#ffffffb3;padding:14px}.lesson-card-stats strong{margin-bottom:6px;font-size:1.35rem;display:block}.user-badge{color:var(--accent-strong);background:#ffffffbd;border-radius:999px;justify-content:center;align-items:center;padding:12px 16px;font-weight:700;display:inline-flex}.lesson-grid{grid-template-columns:minmax(0,1.35fr) minmax(360px,.95fr);align-items:start;gap:20px;display:grid}.lesson-left{flex-direction:column;gap:18px;display:flex}.player-panel,.sentence-train-bar,.right-workspace,.token-drawer,.calendar-shell{padding:22px}.video-stage{background:linear-gradient(#1c2028 0%,#2b3444 100%);border-radius:24px;min-height:360px;padding:18px;position:relative;overflow:hidden}.video-meta{flex-wrap:wrap;gap:10px;display:flex}.video-faux{place-items:center;min-height:260px;display:grid;position:relative}.video-frame{min-height:260px;position:relative}.lesson-video{object-fit:contain;background:#0b1017;border-radius:18px;width:100%;min-height:260px;max-height:560px;display:block}.scanline{pointer-events:none;background:linear-gradient(#ffffff14,#0000 14% 84%,#ffffff0f),repeating-linear-gradient(#ffffff0a,#ffffff0a 1px,#0000 1px 6px);position:absolute;inset:0}.video-content{text-align:center;color:#f9efe3;max-width:520px;position:relative}.video-label{color:#ffffffa8;letter-spacing:.14em;text-transform:uppercase}.video-content h2{margin:12px 0;font-size:clamp(1.6rem,2.6vw,2.5rem)}.in-video-subtitle{color:#fff7ef;text-align:center;background:#0e1218b8;border-radius:18px;padding:14px 18px;position:absolute;bottom:18px;left:18px;right:18px}.in-video-subtitle p{margin:4px 0;line-height:1.55}.in-video-subtitle .secondary{color:#fff7efc2}.timeline-strip{color:var(--muted);grid-template-columns:auto 1fr auto;align-items:center;gap:16px;margin:18px 0;display:grid}.timeline-rail{background:#4f46e51f;border-radius:999px;height:10px;overflow:hidden}.timeline-progress{border-radius:inherit;background:linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);height:100%}.sentence-train-bar .focus-card,.practice-card,.entry-card,.calendar-cell,.login-form,.token-drawer{background:#ffffffc2;border:1px solid #4f46e514}.train-bar-top{justify-content:space-between;gap:16px;display:flex}.focus-card{border-radius:20px;margin:18px 0;padding:18px}.ipa-line{color:var(--warning);margin:0 0 8px;font-family:Consolas,SFMono-Regular,monospace}.focus-en{margin:0;font-size:1.38rem;font-weight:700}.focus-zh{color:var(--muted);margin:10px 0 0}.right-workspace{flex-direction:column;gap:18px;display:flex}.workspace-tabs{background:#4f46e50d;border:1px solid #4f46e51a;border-radius:20px;gap:6px;padding:6px;display:flex;overflow-x:auto}.workspace-tab{white-space:nowrap;color:var(--muted);background:0 0;border-radius:14px;flex:1;padding:10px 18px;font-weight:600;transition:all .2s}.workspace-tab:hover{background:#ffffff80;transform:none}.workspace-tab.active{color:var(--accent-strong);background:#fff;transform:translateY(-1px);box-shadow:0 4px 12px #4f46e51a}.workspace-panel{flex-direction:column;gap:16px;display:flex}.panel-toolbar,.vocab-toolbar{flex-wrap:wrap;justify-content:space-between;gap:10px;display:flex}.toolbar-section{flex-wrap:wrap;gap:10px;display:flex}.sentence-list{flex-direction:column;gap:14px;max-height:980px;padding-right:4px;display:flex;overflow:auto}.sentence-card{background:#ffffffb8;border:1px solid #4f46e514;border-radius:20px;padding:18px;transition:transform .16s}.sentence-card.active{border-color:#4f46e547;transform:translateY(-1px);box-shadow:0 12px 24px #0f172a14}.sentence-meta{color:var(--muted);justify-content:space-between;gap:12px;margin-bottom:14px;font-size:.92rem;display:flex}.token-line{flex-wrap:wrap;gap:8px;display:flex}.token-chip{color:var(--text);background:#f9f5efeb;border-radius:14px;flex-direction:column;align-items:flex-start;gap:4px;padding:10px 12px;display:inline-flex}.token-chip small{color:var(--muted);font-size:.75rem}.token-chip.highlighted{background:#4f46e524}.token-chip.focus{outline:2px solid #2c784952}.sentence-zh{color:var(--muted);margin:14px 0}.sentence-actions button{color:var(--accent-strong);background:#4f46e514;border-radius:999px;padding:8px 12px}.practice-grid,.note-grid,.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.practice-card,.entry-card{border-radius:20px;padding:18px}.practice-input{resize:vertical;background:#ffffffd6;border:1px solid #4f46e529;border-radius:16px;width:100%;min-height:110px;padding:14px 16px}input.practice-input{min-height:auto}.mode-strip{flex-wrap:wrap;gap:8px;display:flex}.mode-strip span{color:var(--muted);background:#6b72801a;border-radius:999px;padding:8px 12px}.entry-head{justify-content:space-between;gap:16px;display:flex}.entry-head h3{margin:0}.entry-zh{margin:10px 0 6px;font-size:1.05rem;font-weight:700}.entry-example.zh{color:var(--muted)}.token-drawer{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;display:grid}.token-main h2{margin:0 0 8px}.token-main h2 small{color:var(--muted);font-size:1rem}.result-strip{background:#fff8efe6;border-radius:16px;flex-direction:column;gap:12px;padding:14px;display:flex}.result-head{align-items:center;gap:12px;display:flex}.result-head strong{color:var(--accent-strong);font-size:1.6rem}.result-token-grid{flex-wrap:wrap;gap:8px;display:flex}.result-token{background:#6b72801f;border-radius:999px;padding:8px 12px;font-weight:700}.state-correct{color:#1f6f46;background:#1f6f4624}.state-weak{color:#b66a0f;background:#b66a0f29}.state-incorrect{color:#b42318;background:#b4231824}.state-missed{color:#667085;background:#66708524}.compact-list{color:var(--muted);margin:0;padding-left:18px;line-height:1.7}.search-box{align-items:center;gap:12px;display:flex}.search-box input,.login-form input{background:#ffffffd6;border:1px solid #4f46e529;border-radius:16px;width:100%;padding:14px 16px}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:12px;display:grid}.calendar-cell{border-radius:18px;flex-direction:column;gap:8px;min-height:108px;padding:16px;display:flex}.calendar-cell.active{background:#4f46e524}.empty-state{padding:32px 28px}.empty-state h2{margin:0 0 12px}.profile-avatar{background:linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);color:#fff;border-radius:50%;place-items:center;width:72px;height:72px;font-size:1.4rem;font-weight:800;display:grid}.login-shell,.activation-shell{background:radial-gradient(at 20% 0,#dcd2be47 0%,#0000 50%),radial-gradient(at 80% 100%,#bed2c838 0%,#0000 50%),#f5f3ef;justify-content:center;align-items:center;min-height:100vh;padding:32px;display:flex;position:relative}.login-card,.activation-card{background:#fff;border-radius:20px;width:min(100%,420px);padding:40px 36px 36px;box-shadow:0 4px 24px #0000000f}.login-brand{text-align:center;margin-bottom:32px}.login-logo{justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;display:flex;position:relative}.login-logo-dot{background:var(--accent);border-radius:50%;width:28px;height:28px}.login-logo-arc{border:2px solid #a08c6e33;border-radius:50%;position:absolute;inset:4px}.login-brand h1{color:#2d2d2d;letter-spacing:-.01em;margin:0 0 6px;font-size:1.5rem;font-weight:700}.login-brand p{color:#999;margin:0;font-size:14px}.auth-container{background-color:var(--page-bg);width:100vw;min-height:100vh;display:flex;overflow:hidden}.auth-banner{color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:480px;display:flex;position:relative;overflow:hidden}.banner-img{object-fit:cover;z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}.banner-mask{z-index:2;background:#00000073;width:100%;height:100%;position:absolute;top:0;left:0}.banner-content{z-index:3;text-align:center;padding:0 40px;position:relative}.auth-banner--product{background:linear-gradient(160deg,#1a3a5c 0%,#2a5a8c 48%,#3d7ab8 100%)}.banner-content--product{text-align:left;max-width:360px}.banner-kicker{letter-spacing:.12em;text-transform:uppercase;opacity:.78;margin:0 0 12px;font-size:.82rem;font-weight:700}.banner-title{margin:0;font-size:2rem;line-height:1.3}.banner-summary{color:#ffffffd1;margin:16px 0 0;line-height:1.7}.banner-feature-list{color:#ffffffe6;margin:24px 0 0;padding-left:18px;line-height:1.9}.banner-content .quote{margin-bottom:20px;font-family:Georgia,serif;font-size:1.8rem;font-style:italic;font-weight:500;line-height:1.4}.banner-content .author{opacity:.8;font-size:1rem}.auth-form-wrapper{background:var(--page-bg);flex:1;justify-content:center;align-items:center;display:flex}.form-content{width:100%;max-width:380px;padding:40px 20px}.brand{margin-bottom:40px}.brand h1{color:var(--text-strong);letter-spacing:-.02em;margin:0 0 8px;font-size:2rem;font-weight:800}.brand .subtitle{color:var(--text-muted);letter-spacing:.03em;font-size:1rem}.form-title{color:var(--text-strong);margin:0 0 8px;font-size:1.5rem;font-weight:600}.form-desc{color:var(--text-muted);margin:0 0 32px;font-size:.95rem}.form-item{margin-bottom:20px}.form-item input{border:1px solid var(--surface-border-strong);width:100%;color:var(--text-strong);background:var(--surface-bg);border-radius:8px;padding:14px 16px;font-size:1rem;transition:all .2s}.form-item input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);outline:none}.form-item input::placeholder{color:var(--text-muted)}.form-options{align-items:center;margin-bottom:24px;display:flex}.remember-me{color:var(--text-secondary);cursor:pointer;align-items:center;gap:8px;font-size:.9rem;display:flex}.submit-btn{color:#fff;cursor:pointer;background:#3d475c;border:none;border-radius:8px;width:100%;margin-bottom:24px;padding:14px;font-size:1rem;font-weight:600;transition:opacity .2s}.submit-btn:hover{opacity:.9}.submit-btn:disabled{cursor:not-allowed;background:#d1d5db}.form-footer{text-align:center;color:#6b7280;font-size:.9rem}.form-footer a{color:var(--accent);margin:0 6px;text-decoration:none}.form-footer a:hover{text-decoration:underline}.auth-helper{color:#4b5563;margin:0 0 16px;font-size:.9rem}.auth-inline-actions{grid-template-columns:1fr 1.6fr;gap:12px;display:grid}.submit-btn-secondary{background:var(--control-bg);color:var(--text-secondary);margin-bottom:0}.auth-support-note{color:var(--text-muted);text-align:center;margin:18px 0 0;font-size:.9rem;line-height:1.7}.form-record-link{text-align:center;color:var(--text-muted);margin-top:22px;font-size:.86rem;text-decoration:underline;display:block}.error-msg{color:#ef4444;text-align:center;margin-top:12px;font-size:.85rem}@media (width<=768px){.auth-banner{display:none}.auth-inline-actions{grid-template-columns:1fr}}.solid-button:hover,.ghost-button:hover,.toolbar-chip:hover,.quick-pill:hover,.control-pill:hover,.mode-button:hover,.workspace-tab:hover,.sentence-actions button:hover{transform:translateY(-1px)}@media (width<=1200px){.lesson-grid,.hero-panel,.login-page{grid-template-columns:1fr}.catalog-grid,.utility-grid,.bottom-boards{grid-template-columns:repeat(2,minmax(0,1fr))}.token-drawer{grid-template-columns:1fr}}@media (width<=900px){.shell-header,.panel-row,.train-bar-top,.utility-header{flex-direction:column;align-items:flex-start}.shell-main{width:min(100vw - 20px,1440px);padding-top:20px}.auth-main{width:100%;padding-top:0}.shell-header{padding:16px 14px}.site-nav{justify-content:flex-start}.site-nav-group{width:100%}.site-nav-divider{display:none}.hero-aside,.overview-metrics,.lesson-card-stats,.practice-grid,.note-grid,.entry-grid,.calendar-grid,.catalog-grid,.utility-grid,.bottom-boards{grid-template-columns:1fr}.video-stage{min-height:320px}}@media (width<=640px){.shell-nav,.header-actions,.workspace-tabs,.search-box{width:100%}.search-box,.header-actions{flex-direction:column;align-items:stretch}.hero-panel,.filter-panel,.utility-header,.lesson-overview,.player-panel,.sentence-train-bar,.right-workspace,.token-drawer,.calendar-shell,.login-page{padding:18px}.login-shell,.activation-shell{padding:16px}.login-card,.activation-card{border-radius:16px;width:100%;padding:28px 20px 24px}.activation-actions{grid-template-columns:1fr}.activation-steps{gap:0}.activation-step-label{font-size:12px}.hero-panel h1,.utility-header h1,.lesson-overview h1,.login-copy h1{font-size:1.8rem}.video-stage{min-height:280px;padding:14px}}.lesson-shell{background:#fff;flex-direction:column;max-width:100%;height:100dvh;display:flex;overflow:hidden}.lesson-header{z-index:30;background:#fff;border-bottom:1px solid #e5e7eb;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:10px 16px;display:flex;position:sticky;top:0}.lesson-header-left{align-items:center;gap:12px;min-width:0;display:flex}.back-btn{color:#374151;background:#f3f4f6;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-weight:700;display:inline-flex}.back-btn:hover{background:#e5e7eb}.lesson-title-text{color:#111827;white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:600;overflow:hidden}.lesson-header-center{flex-wrap:nowrap;align-items:center;gap:4px;display:flex;overflow-x:auto}.mode-chip{color:#6b7280;white-space:nowrap;background:0 0;border-radius:8px;padding:6px 12px;font-size:.82rem;font-weight:500;transition:all .2s}.mode-chip:hover{color:#374151;background:#f3f4f6}.mode-chip.active{color:#fff;background:#111827}.lesson-header-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.icon-btn{color:#6b7280;background:#f3f4f6;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:.9rem;display:inline-flex}.icon-btn:hover{color:#374151;background:#e5e7eb}.lesson-body{flex:1;gap:24px;min-height:0;padding:16px;display:flex}.lesson-left-col{flex-direction:column;gap:16px;width:50%;min-width:0;display:flex;overflow-y:auto}.lesson-right-col{flex-direction:column;width:50%;min-width:0;display:flex;overflow-y:auto}.token-detail-bar{background:#f9fafb;border-top:1px solid #e5e7eb;flex-shrink:0;align-items:center;gap:16px;padding:10px 16px;display:flex}.token-detail-main{align-items:baseline;gap:8px;display:flex}.token-detail-word{color:#111827;font-size:1.1rem;font-weight:700}.token-detail-lemma{color:#9ca3af;font-size:.85rem}.token-detail-ipa{color:#f59e0b;font-family:Consolas,SFMono-Regular,monospace;font-size:.85rem}.token-detail-tags{flex-wrap:wrap;gap:6px;display:flex}.tag-pill{color:#6b7280;background:#f3f4f6;border-radius:6px;padding:4px 10px;font-size:.75rem;font-weight:600}.tag-pill.accent{color:#059669;background:#10b9811f}.token-detail-actions{gap:8px;margin-left:auto;display:flex}.token-detail-actions button{color:#374151;background:#f3f4f6;border-radius:8px;padding:6px 12px;font-size:.82rem;font-weight:500}.token-detail-actions button:hover{background:#e5e7eb}@media (width<=900px){.lesson-body{flex-direction:column;overflow-y:auto}.lesson-left-col,.lesson-right-col{width:100%;overflow-y:visible}.lesson-header-center{display:none}}.lesson-shell .player-panel{box-shadow:none;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:0}.lesson-shell .video-stage{border-radius:12px 12px 0 0;min-height:auto;padding:0}.lesson-shell .lesson-video{border-radius:12px 12px 0 0;max-height:none}.lesson-shell .video-faux{border-radius:12px 12px 0 0;min-height:200px}.lesson-shell .in-video-subtitle{background:#000000b3;border-radius:0;padding:10px 16px;bottom:0;left:0;right:0}.lesson-shell .control-groups{margin:0;padding:10px 16px}.lesson-shell .control-group{background:0 0;border:none;gap:6px;padding:0}.lesson-shell .control-pill{color:#374151;background:#f3f4f6;border-radius:8px;padding:6px 12px;font-size:.82rem}.lesson-shell .control-pill.primary{color:#fff;background:#111827}.lesson-shell .control-pill:hover{background:#e5e7eb}.lesson-shell .control-pill.primary:hover{background:#1f2937}.lesson-shell .timeline-strip{margin:8px 0;padding:0 16px}.lesson-shell .subtitle-mode-bar{border-top:1px solid #f3f4f6;padding:8px 16px}.lesson-shell .mode-button{color:#6b7280;background:0 0;border-radius:8px;padding:6px 12px;font-size:.82rem}.lesson-shell .mode-button.active{color:#fff;background:#111827}.lesson-shell .sentence-train-bar{box-shadow:none;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px}.lesson-shell .focus-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;margin:12px 0;padding:14px}.lesson-shell .quick-pill{color:#374151;background:#f3f4f6;border-radius:8px;padding:6px 12px;font-size:.82rem}.lesson-shell .quick-pill.accent{color:#fff;background:#111827}.lesson-shell .right-workspace{box-shadow:none;background:#fff;border:1px solid #e5e7eb;border-radius:12px;height:100%;padding:0}.lesson-shell .workspace-tabs{background:#f9fafb;border-bottom:1px solid #e5e7eb;border-radius:12px 12px 0 0;gap:4px;padding:8px 12px}.lesson-shell .workspace-tab{color:#6b7280;background:0 0;border-radius:8px;padding:8px 14px;font-size:.82rem}.lesson-shell .workspace-tab.active{color:#fff;box-shadow:none;background:#111827;transform:none}.lesson-shell .workspace-tab:hover{background:#e5e7eb;transform:none}.lesson-shell .workspace-panel{padding:12px}.lesson-shell .sentence-list{flex:1;max-height:none;overflow-y:auto}.lesson-shell .sentence-card{background:#fff;border:1px solid #f3f4f6;border-radius:12px;padding:12px 16px}.lesson-shell .sentence-card.active{box-shadow:none;background:#f9fafb;border-color:#111827;transform:none}.lesson-shell .token-chip{background:0 0;border-radius:6px;padding:4px 8px;font-size:.9rem}.lesson-shell .token-chip.highlighted{background:#4f46e51f;border-radius:4px}.lesson-shell .token-chip.focus{outline:2px solid #10b98166}.lesson-shell .sentence-actions button{color:#6b7280;background:#f3f4f6;border-radius:6px;padding:4px 10px;font-size:.78rem}.lesson-shell .sentence-actions button:hover{color:#374151;background:#e5e7eb}.lesson-shell .toolbar-chip{border-radius:6px;padding:6px 10px;font-size:.78rem}.lesson-shell .toolbar-chip.active{color:#fff;background:#111827}
