:root{--navi-orange:#f26522;--navi-orange-hover:#d94e0f;--navi-orange-light:#fff2eb;--navi-orange-subtle:#f2652214;--navi-orange-gradient:linear-gradient(135deg, #ff7a30 0%, #f26522 100%);--navi-navy:#0e1b2e;--navi-navy-card:#15243b;--navi-navy-soft:#1e314f;--navi-navy-surface:#f0f4f8;--bg-app:#f8fafc;--bg-card:#fff;--bg-card-hover:#fafcff;--border-color:#e2e8f0;--border-light:#f1f5f9;--text-main:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-inverse:#fff;--color-success:#10b981;--color-success-bg:#ecfdf5;--color-success-border:#a7f3d0;--color-warning:#f59e0b;--color-warning-bg:#fffbeb;--color-warning-border:#fde68a;--color-danger:#ef4444;--color-danger-bg:#fef2f2;--color-danger-border:#fecaca;--color-info:#3b82f6;--color-info-bg:#eff6ff;--color-info-border:#bfdbfe;--font-display:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-card:0 4px 20px -2px #0e1b2e0f, 0 2px 6px -1px #0e1b2e0a;--shadow-hover:0 8px 25px -4px #0e1b2e1a, 0 4px 10px -2px #0e1b2e0a;--shadow-popup:0 20px 40px -10px #0e1b2e33;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:22px;--radius-pill:9999px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5;overflow-x:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;background:0 0;border:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2.5px solid var(--navi-orange);outline-offset:2px}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--navi-navy);font-weight:700;line-height:1.25}.badge{border-radius:var(--radius-pill);align-items:center;gap:5px;padding:4px 10px;font-size:.75rem;font-weight:600;line-height:1.2;display:inline-flex}.badge-success{background-color:var(--color-success-bg);color:#065f46;border:1px solid var(--color-success-border)}.badge-warning{background-color:var(--color-warning-bg);color:#92400e;border:1px solid var(--color-warning-border)}.badge-danger{background-color:var(--color-danger-bg);color:#991b1b;border:1px solid var(--color-danger-border)}.badge-info{background-color:var(--color-info-bg);color:#1e40af;border:1px solid var(--color-info-border)}.badge-orange{background-color:var(--navi-orange-light);color:var(--navi-orange);border:1px solid #f2652233}.badge-navy{color:var(--navi-navy);background-color:#0e1b2e14}.navi-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-card);transition:transform var(--transition-fast), box-shadow var(--transition-fast);padding:1.25rem}.navi-card:hover{box-shadow:var(--shadow-hover)}.btn-primary{background:var(--navi-orange-gradient);color:#fff;font-family:var(--font-display);border-radius:var(--radius-md);transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;min-height:44px;padding:11px 20px;font-size:.95rem;font-weight:600;display:inline-flex;box-shadow:0 4px 14px #f265224d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #f2652266}.btn-primary:active{transform:translateY(0)}.btn-secondary{color:var(--navi-navy);font-family:var(--font-display);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:all var(--transition-fast);background:#f1f5f9;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn-secondary:hover{background:#e2e8f0}.btn-outline-orange{color:var(--navi-orange);font-family:var(--font-display);border-radius:var(--radius-md);border:1.5px solid var(--navi-orange);transition:all var(--transition-fast);background:0 0;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn-outline-orange:hover{background:var(--navi-orange-light)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;animation:1.5s infinite shimmer}.skeleton-static{border-radius:var(--radius-sm);background:#e2e8f0;animation:none}@keyframes livePulse{0%{transform:scale(.95);box-shadow:0 0 #f26522b3}70%{transform:scale(1);box-shadow:0 0 0 8px #f2652200}to{transform:scale(.95);box-shadow:0 0 #f2652200}}.live-dot{background-color:var(--navi-orange);border-radius:50%;width:9px;height:9px;animation:2s infinite livePulse;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.loading-spinner-wrap{justify-content:center;align-items:center;gap:8px;display:inline-flex}.loading-spinner-circle{border:2.5px solid #f2652233;border-top-color:var(--navi-orange,#f26522);box-sizing:border-box;border-radius:50%;flex-shrink:0;animation:.8s linear infinite spin}.loading-spinner-circle.sm{border-width:2px;width:16px;height:16px}.loading-spinner-circle.md{border-width:3px;width:28px;height:28px}.loading-spinner-label{color:var(--text-secondary,#475569);font-size:.88rem;font-weight:500}.loading-spinner-circle.sm+.loading-spinner-label{font-size:.82rem}@media (prefers-reduced-motion:reduce){.skeleton,.skeleton-static{background:#e2e8f0;animation:none}.loading-spinner-circle,.animate-spin,.live-dot{animation:none}.vocab-card-flipper{transition:none!important}}:root{--article-der:#1d4ed8;--article-die:#dc2626;--article-das:#15803d;--article-neutral:var(--text-main,#0f172a)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-app:#0b1120;--bg-card:#1e293b;--bg-card-hover:#26354a;--border-color:#334155;--border-light:#1e293b;--text-main:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--article-der:#60a5fa;--article-die:#f87171;--article-das:#4ade80;--article-neutral:#f8fafc}}[data-theme=dark]{--bg-app:#0b1120!important;--bg-card:#1e293b!important;--bg-card-hover:#26354a!important;--border-color:#334155!important;--border-light:#1e293b!important;--text-main:#f8fafc!important;--text-secondary:#94a3b8!important;--text-muted:#64748b!important;--article-der:#60a5fa!important;--article-die:#f87171!important;--article-das:#4ade80!important;--article-neutral:#f8fafc!important}.app-layout{background-color:var(--bg-app);flex-direction:column;min-height:100vh;display:flex}.app-body-layout{flex-direction:row;flex-grow:1;width:100%;display:flex}.founder-bar{color:#e2e8f0;z-index:1000;box-sizing:border-box;background:#0b1320;border-bottom:1px solid #ffffff1a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;max-width:100vw;padding:8px 12px;font-size:.8rem;display:flex;position:sticky;top:0}.founder-bar-brand{color:#ffa366;align-items:center;gap:8px;font-weight:700;display:flex}.founder-bar-controls{flex-wrap:wrap;align-items:center;gap:8px;max-width:100%;display:flex}.founder-select{color:#fff;border-radius:var(--radius-sm);cursor:pointer;background:#1a2840;border:1px solid #334b6e;outline:none;max-width:155px;padding:4px 8px;font-size:.75rem}.founder-btn{color:#cbd5e1;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:#1e2e48;border:1px solid #334b6e;padding:4px 10px;font-size:.75rem;font-weight:600}.founder-btn:hover{color:#fff;background:#2d4369}.founder-btn.active{background:var(--navi-orange);color:#fff;border-color:var(--navi-orange)}.desktop-sidebar{background:var(--navi-navy);color:#fff;z-index:50;border-right:1px solid #ffffff14;flex-direction:column;flex-shrink:0;width:270px;height:100vh;display:flex;position:sticky;top:0}@media (width<=899px){.desktop-sidebar{display:none!important}}@media (width>=900px){.mobile-top-header,.mobile-bottom-nav{display:none!important}}.sidebar-header{border-bottom:1px solid #ffffff14;align-items:center;gap:12px;padding:1.5rem 1.25rem 1rem;display:flex}.sidebar-logo{background:var(--navi-orange-gradient);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.35rem;font-weight:800;display:flex;box-shadow:0 4px 12px #f2652266}.sidebar-brand-text h2{color:#fff;letter-spacing:-.02em;margin:0;font-size:1.15rem}.sidebar-brand-text p{color:#94a3b8;text-transform:uppercase;letter-spacing:.08em;margin:0;font-size:.72rem;font-weight:600}.sidebar-nav{flex-direction:column;flex-grow:1;gap:4px;padding:1rem .75rem;display:flex;overflow-y:auto}.sidebar-nav-item{color:#94a3b8;border-radius:var(--radius-md);transition:all var(--transition-fast);text-align:left;align-items:center;gap:12px;width:100%;padding:10px 14px;font-size:.9rem;font-weight:500;display:flex}.sidebar-nav-item:hover{color:#fff;background:#ffffff0f}.sidebar-nav-item.active{background:var(--navi-orange-gradient);color:#fff;font-weight:600;box-shadow:0 4px 14px #f2652259}.sidebar-nav-badge{color:#fff;border-radius:var(--radius-pill);background:#fff3;margin-left:auto;padding:2px 7px;font-size:.7rem;font-weight:700}.sidebar-footer{background:#00000026;border-top:1px solid #ffffff14;padding:1.25rem}.sidebar-user-card{align-items:center;gap:12px;display:flex}.sidebar-user-avatar{object-fit:cover;border:2px solid var(--navi-orange);border-radius:50%;width:40px;height:40px}.sidebar-user-info{flex-grow:1;overflow:hidden}.sidebar-user-name{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:600;overflow:hidden}.sidebar-user-meta{color:#94a3b8;font-size:.72rem}.main-viewport{flex-direction:column;flex-grow:1;min-width:0;padding-bottom:74px;display:flex}@media (width>=900px){.main-viewport{padding-bottom:2rem}}.mobile-top-header{border-bottom:1px solid var(--border-color);z-index:40;background:#fff;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.header-brand{align-items:center;gap:10px;display:flex}.header-logo-icon{background:var(--navi-orange-gradient);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.05rem;font-weight:800;display:flex}.header-brand-title{color:var(--navi-navy);font-size:1rem;font-weight:700}.header-actions{align-items:center;gap:10px;display:flex}.mobile-bottom-nav{border-top:1px solid var(--border-color);z-index:100;background:#fff;justify-content:space-around;align-items:center;height:64px;padding:0 4px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #0000000a}.bottom-nav-item{height:100%;color:var(--text-secondary);transition:all var(--transition-fast);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;font-size:.7rem;font-weight:600;display:flex;position:relative}.bottom-nav-item.active{color:var(--navi-orange)}.bottom-nav-item.active:before{content:"";background:var(--navi-orange);border-radius:0 0 4px 4px;width:32px;height:3px;position:absolute;top:0}.bottom-nav-badge{background:var(--color-danger);color:#fff;border-radius:8px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:6px;right:calc(50% - 18px)}.page-container{width:100%;max-width:1080px;margin:0 auto;padding:1.25rem 1rem}@media (width>=768px){.page-container{padding:2rem}}.page-header-block{flex-direction:column;gap:4px;margin-bottom:1.5rem;display:flex}.page-header-title{color:var(--navi-navy);letter-spacing:-.02em;font-size:1.45rem}@media (width>=768px){.page-header-title{font-size:1.8rem}}.page-header-sub{color:var(--text-secondary);font-size:.9rem}.kpi-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:1.5rem;display:grid}@media (width>=768px){.kpi-grid{grid-template-columns:repeat(4,1fr);gap:16px}}.kpi-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-card);transition:transform var(--transition-fast);background:#fff;flex-direction:column;justify-content:space-between;padding:1rem;display:flex}.kpi-card:hover{transform:translateY(-2px)}.kpi-card-header{color:var(--text-secondary);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.78rem;font-weight:600;display:flex}.kpi-card-icon{border-radius:var(--radius-sm);background:var(--navi-orange-light);width:32px;height:32px;color:var(--navi-orange);justify-content:center;align-items:center;display:flex}.kpi-card-value{font-family:var(--font-display);color:var(--navi-navy);margin-bottom:4px;font-size:1.5rem;font-weight:700;line-height:1.1}.kpi-card-footer{color:var(--text-muted);font-size:.72rem}.hero-progress-card{color:#fff;border-radius:var(--radius-xl);background:linear-gradient(135deg,#0e1b2e 0%,#1a2e4c 100%);flex-direction:column;gap:1.25rem;margin-bottom:1.5rem;padding:1.5rem;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px -5px #0e1b2e4d}.hero-progress-card:after{content:"";pointer-events:none;background:radial-gradient(circle,#f2652240 0%,#f2652200 70%);border-radius:50%;width:160px;height:160px;position:absolute;bottom:-30px;right:-30px}.hero-header{justify-content:space-between;align-items:flex-start;display:flex}.hero-greeting{color:#fff;margin-bottom:4px;font-size:1.35rem;font-weight:700}.hero-meta-badge{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-pill);color:#ffa366;background:#ffffff1f;align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:600;display:inline-flex}.hero-body{justify-content:space-between;align-items:center;gap:16px;display:flex}.hero-progress-ring-container{align-items:center;gap:14px;display:flex}.progress-ring-svg{transform:rotate(-90deg)}.progress-ring-circle-bg{stroke:#ffffff26}.progress-ring-circle-val{stroke:var(--navi-orange);stroke-linecap:round;transition:stroke-dashoffset .8s}.progress-ring-text{font-family:var(--font-display);fill:#fff;transform-origin:45px 45px;font-size:1.35rem;font-weight:800;transform:rotate(90deg)}.resume-card{border-radius:var(--radius-lg);background:#fff;border:1.5px solid #ffdfc7;flex-direction:column;gap:12px;margin-bottom:1.5rem;padding:1.25rem;display:flex;box-shadow:0 4px 16px #f2652214}@media (width>=640px){.resume-card{flex-direction:row;justify-content:space-between;align-items:center}}.resume-info{flex-direction:column;gap:4px;display:flex}.resume-tag{color:var(--navi-orange);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:6px;font-size:.75rem;font-weight:700;display:flex}.resume-title{color:var(--navi-navy);font-size:1.15rem;font-weight:700}.resume-subtitle{color:var(--text-secondary);font-size:.85rem}.task-item{border-radius:var(--radius-md);border:1px solid var(--border-light);transition:background var(--transition-fast);background:#fff;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;padding:12px 14px;display:flex}.task-item:hover{background:var(--bg-card-hover)}.task-left{align-items:center;gap:12px;min-width:0;display:flex}.task-number{background:var(--navi-navy-surface);width:26px;height:26px;color:var(--navi-navy);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.8rem;font-weight:700;display:flex}.task-title{color:var(--navi-navy);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:600;overflow:hidden}.task-deadline{color:var(--text-muted);font-size:.75rem}.result-table-wrapper{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#fff;overflow-x:auto}.result-table{border-collapse:collapse;text-align:left;width:100%;font-size:.88rem}.result-table th{color:var(--text-secondary);border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.04em;background:#f8fafc;padding:12px 16px;font-size:.8rem;font-weight:600}.result-table td{border-bottom:1px solid var(--border-light);color:var(--navi-navy);padding:12px 16px}.result-table tr:last-child td{border-bottom:none}.result-table tr:hover td{cursor:pointer;background:#f8fafc}.chart-container{width:100%;padding:1rem 0}.correction-card{border-radius:var(--radius-md);background:#fffbeb;border:1px solid #fde68a;margin-top:10px;padding:14px}.correction-original{color:#dc2626;margin-bottom:6px;font-family:monospace;font-size:.92rem;text-decoration:line-through}.correction-fixed{color:#15803d;margin-bottom:6px;font-family:monospace;font-size:.95rem;font-weight:600}.correction-rule{color:#78350f;font-size:.82rem;line-height:1.4}.heatmap-grid{grid-template-columns:repeat(7,1fr);gap:6px;margin-top:12px;display:grid}.heatmap-cell{aspect-ratio:1;transition:transform var(--transition-fast);border-radius:6px;justify-content:center;align-items:center;font-size:.7rem;font-weight:600;display:flex}.heatmap-cell:hover{transform:scale(1.15)}.heatmap-level-0{color:#94a3b8;background:#f1f5f9}.heatmap-level-1{color:#9a3412;background:#fed7aa}.heatmap-level-2{color:#fff;background:#fb923c}.heatmap-level-3{color:#fff;background:#ea580c}.roadmap-timeline{flex-direction:column;gap:16px;padding-left:28px;display:flex;position:relative}.roadmap-timeline:before{content:"";background:#e2e8f0;width:2px;position:absolute;top:14px;bottom:14px;left:11px}.roadmap-step{position:relative}.roadmap-node{color:#64748b;background:#fff;border:2px solid #cbd5e1;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.75rem;font-weight:700;display:flex;position:absolute;top:2px;left:-28px}.roadmap-step.active .roadmap-node{border-color:var(--navi-orange);background:var(--navi-orange);color:#fff;box-shadow:0 0 0 4px #f2652233}.roadmap-step.completed .roadmap-node{border-color:var(--color-success);background:var(--color-success);color:#fff}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0e1b2e99;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-dialog{border-radius:var(--radius-xl);width:100%;max-width:480px;box-shadow:var(--shadow-popup);border:1px solid var(--border-color);background:#fff;padding:1.75rem;animation:.2s cubic-bezier(.16,1,.3,1) modalIn}@keyframes modalIn{0%{opacity:0;transform:scale(.95)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.dashboard-wave1-container{max-width:980px;margin:0 auto;padding:1.25rem 1.5rem 3.5rem}.dash-header-compact{justify-content:space-between;align-items:center;margin-bottom:.85rem;display:flex}.dash-header-left{align-items:center;gap:12px;display:flex}.dash-header-avatar{object-fit:cover;border:2px solid var(--navi-orange);border-radius:50%;flex-shrink:0;width:44px;height:44px}.dash-header-greeting{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.dash-greeting-name{color:var(--navi-navy);letter-spacing:-.01em;margin:0;font-size:1.25rem;font-weight:800}.dash-greeting-class-line{color:var(--navi-orange);align-items:center;gap:6px;margin-top:2px;font-size:.84rem;font-weight:600;display:flex}.dash-header-meta{color:#64748b;align-items:center;gap:6px;margin-top:2px;font-size:.82rem;display:flex}.dash-meta-dot{color:#cbd5e1}.dash-hero-today{border-radius:var(--radius-lg);color:#fff;background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);border:1px solid #f2652240;margin-bottom:1rem;padding:1.25rem 1.5rem;position:relative;overflow:hidden;box-shadow:0 4px 16px #0f172a1f}.dash-hero-badge{text-transform:uppercase;letter-spacing:.06em;border-radius:4px;align-items:center;gap:5px;margin-bottom:.5rem;padding:3px 8px;font-size:.7rem;font-weight:800;display:inline-flex}.dash-hero-badge.orange{color:#ffa366;background:#f2652233;border:1px solid #f2652259}.dash-hero-badge.danger{color:#fca5a5;background:#ef444433;border:1px solid #ef444459}.dash-hero-badge.success{color:#6ee7b7;background:#10b98133;border:1px solid #10b98159}.dash-hero-badge.navy{color:#cbd5e1;background:#94a3b833}.dash-hero-title{color:#fff;margin:0 0 .35rem;font-size:1.25rem;font-weight:800;line-height:1.3}.dash-hero-sub{color:#94a3b8;margin:0 0 1rem;font-size:.88rem;line-height:1.4}.dash-hero-sub strong{color:#f1f5f9}.dash-hero-action-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn-hero-primary{background:var(--navi-orange-gradient);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:9px 18px;font-size:.9rem;font-weight:700;transition:all .15s;display:inline-flex;box-shadow:0 3px 10px 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#0000000f}.vocab-card-face.back{transform:rotateY(180deg)}.vocab-card-kind-badge{color:var(--text-muted,#64748b);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;font-size:.72rem;font-weight:700}.vocab-card-main-word{justify-content:center;align-items:center;min-height:48px;margin-bottom:16px;display:flex}.vocab-card-flip-prompt{color:var(--text-muted,#64748b);align-items:center;gap:6px;margin-top:auto;font-size:.78rem;display:inline-flex}.vocab-card-vietnamese-meaning{color:var(--text-main,#0f172a);margin-bottom:12px;font-size:1.35rem;font-weight:700}.vocab-card-plural-info{color:var(--text-secondary,#475569);margin-bottom:12px;font-size:.95rem}.vocab-card-example-box{background:var(--bg-app,#f8fafc);color:var(--text-secondary,#475569);border-radius:10px;max-width:90%;margin-bottom:12px;padding:10px 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var(--navi-navy,#002855);width:100%;color:var(--navi-navy,#002855);cursor:pointer;box-sizing:border-box;background:#0028550a;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.vocab-btn-album-action:hover{background:#0028551a}[data-theme=dark] .vocab-collection-title,[data-theme=dark] .vocab-album-card-title,[data-theme=dark] .vocab-album-level-title,[data-theme=dark] .vocab-album-page-title,[data-theme=dark] .vocab-album-modal-title{color:#f8fafc!important}[data-theme=dark] .vocab-album-intro{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:var(--text-secondary,#94a3b8)}[data-theme=dark] .vocab-album-card{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}[data-theme=dark] .vocab-album-card.complete{background:linear-gradient(180deg, #eab3081f 0%, var(--bg-card,#1e293b) 100%);border-color:#eab308}[data-theme=dark] .vocab-album-card-badge{color:#93c5fd;background:#ffffff1a}[data-theme=dark] .vocab-album-badge-complete{color:#fef08a;background:#854d0e;border-color:#ca8a04}[data-theme=dark] .vocab-album-slot.collected{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-album-slot.collected.needs-review{border-color:#f59e0b;background:#f59e0b24!important}[data-theme=dark] .vocab-album-badge-review{color:#fde68a;background:#78350f;border:1px solid #d97706}[data-theme=dark] .vocab-album-slot-vi{color:#94a3b8}[data-theme=dark] .vocab-album-slot.empty{border-color:var(--border-color,#334155);background:#1e293b99}[data-theme=dark] .vocab-album-modal{background:var(--bg-card,#1e293b);border:1px solid var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-album-modal-vi,[data-theme=dark] .vocab-album-modal-desc,[data-theme=dark] .vocab-album-modal-plural{color:#94a3b8}[data-theme=dark] .vocab-album-modal-example{background:#0f172a99;border-left-color:#3b82f6}[data-theme=dark] .vocab-album-example-de{color:#f8fafc}[data-theme=dark] .vocab-album-example-vi{color:#94a3b8}[data-theme=dark] .vocab-btn-album-action{color:#93c5fd;background:#60a5fa1a;border-color:#60a5fa}[data-theme=dark] .vocab-btn-album-action:hover{background:#60a5fa2e}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .vocab-collection-title,:root:not([data-theme=light]) .vocab-album-card-title,:root:not([data-theme=light]) .vocab-album-level-title,:root:not([data-theme=light]) .vocab-album-page-title,:root:not([data-theme=light]) .vocab-album-modal-title{color:#f8fafc}:root:not([data-theme=light]) .vocab-album-intro{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:var(--text-secondary,#94a3b8)}:root:not([data-theme=light]) .vocab-album-card{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}:root:not([data-theme=light]) .vocab-album-card.complete{background:linear-gradient(180deg, #eab3081f 0%, var(--bg-card,#1e293b) 100%);border-color:#eab308}:root:not([data-theme=light]) .vocab-album-card-badge{color:#93c5fd;background:#ffffff1a}:root:not([data-theme=light]) .vocab-album-badge-complete{color:#fef08a;background:#854d0e;border-color:#ca8a04}:root:not([data-theme=light]) .vocab-album-slot.collected{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-album-slot.collected.needs-review{border-color:#f59e0b;background:#f59e0b24!important}:root:not([data-theme=light]) .vocab-album-badge-review{color:#fde68a;background:#78350f;border:1px solid #d97706}:root:not([data-theme=light]) .vocab-album-slot-vi{color:#94a3b8}:root:not([data-theme=light]) .vocab-album-slot.empty{border-color:var(--border-color,#334155);background:#1e293b99}:root:not([data-theme=light]) .vocab-album-modal{background:var(--bg-card,#1e293b);border:1px solid var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-album-modal-vi,:root:not([data-theme=light]) .vocab-album-modal-desc,:root:not([data-theme=light]) .vocab-album-modal-plural{color:#94a3b8}:root:not([data-theme=light]) .vocab-album-modal-example{background:#0f172a99;border-left-color:#3b82f6}:root:not([data-theme=light]) .vocab-album-example-de{color:#f8fafc}:root:not([data-theme=light]) .vocab-album-example-vi{color:#94a3b8}:root:not([data-theme=light]) .vocab-btn-album-action{color:#93c5fd;background:#60a5fa1a;border-color:#60a5fa}:root:not([data-theme=light]) .vocab-match-card-btn{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-match-vi-text{color:#f8fafc}:root:not([data-theme=light]) .vocab-match-key-hint{color:#94a3b8;background:#334155}:root:not([data-theme=light]) .vocab-match-card-btn.selected{border-color:var(--navi-orange,#f26522)!important;background:#f2652226!important}:root:not([data-theme=light]) .vocab-match-card-btn.matched{background:#22c55e2e!important;border-color:#22c55e66!important}:root:not([data-theme=light]) .vocab-match-card-btn.error{background:#ef444433!important;border-color:#ef444480!important}:root:not([data-theme=light]) .mobile-top-header{background:var(--bg-card,#1e293b);border-bottom-color:var(--border-color,#334155)}:root:not([data-theme=light]) .mobile-bottom-nav{background:var(--bg-card,#1e293b);border-top-color:var(--border-color,#334155)}:root:not([data-theme=light]) .vocab-album-progress-summary{color:#fb923c;background:#f2652226;border-color:#f2652259}:root:not([data-theme=light]) .vocab-album-card-pending{color:#fb923c}:root:not([data-theme=light]) .vocab-album-dot.dot-empty{color:#475569}:root:not([data-theme=light]) .vocab-album-dot.dot-filled{color:#fb923c}}[data-theme=dark] .vocab-match-card-btn{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-match-vi-text{color:#f8fafc}[data-theme=dark] .vocab-match-key-hint{color:#94a3b8;background:#334155}[data-theme=dark] .vocab-match-card-btn.selected{border-color:var(--navi-orange,#f26522)!important;background:#f2652226!important}[data-theme=dark] .vocab-match-card-btn.matched{background:#22c55e2e!important;border-color:#22c55e66!important}[data-theme=dark] .vocab-match-card-btn.error{background:#ef444433!important;border-color:#ef444480!important}[data-theme=dark] .mobile-top-header{background:var(--bg-card,#1e293b);border-bottom-color:var(--border-color,#334155)}[data-theme=dark] .vocab-album-progress-summary{color:#fb923c;background:#f2652226;border-color:#f2652259}[data-theme=dark] .vocab-album-card-pending{color:#fb923c}[data-theme=dark] .vocab-album-dot.dot-empty{color:#475569}[data-theme=dark] .vocab-album-dot.dot-filled{color:#fb923c}