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14px #00000040}.floating-vocab-btn:hover{background:#0f172a;transform:translate(-50%,-100%)scale(1.04)}.vocab-tab-wrapper{padding:1.5rem 0}.vocab-header-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:1.5rem;display:flex}.vocab-filter-group{flex-wrap:wrap;gap:8px;display:flex}.vocab-filter-btn{border:1px solid var(--border,#e2e8f0);background:var(--card-bg,#fff);color:var(--text-muted,#64748b);cursor:pointer;border-radius:20px;padding:6px 12px;font-size:.8rem;font-weight:600;transition:all .15s}.vocab-filter-btn.active,.vocab-filter-btn:hover{color:#1d4ed8;background:#eff6ff;border-color:#3b82f6}.vocab-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.vocab-card{background:var(--card-bg,#fff);border:1px solid var(--border,#e2e8f0);border-radius:12px;flex-direction:column;transition:box-shadow .2s,border-color .2s;display:flex;overflow:hidden;box-shadow:0 2px 6px 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8px;display:inline-flex}.vocab-pron-tag{color:#475569;letter-spacing:.02em;font-size:.85rem;font-weight:700}.vocab-pron-speaker-btn{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:2px 4px;transition:color .15s,background-color .15s;display:inline-flex}.vocab-pron-speaker-btn:hover{color:#2563eb;background:#f1f5f9}.vocab-pron-ipa-text{color:#334155;letter-spacing:.01em;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:.98rem;font-style:italic;font-weight:500}.vocab-meaning-text{color:#15803d;margin-bottom:8px;font-size:.95rem;font-weight:600}.vocab-context-box{background:var(--hover-bg,#f8fafc);border-left:3px solid #3b82f6;border-radius:6px;flex-direction:column;flex:1;gap:6px;margin-bottom:12px;padding:8px 10px;font-size:.8rem;display:flex}.vocab-context-orig{color:var(--text,#334155);font-size:.82rem;font-style:italic;font-weight:500;line-height:1.45}.vocab-context-trans{color:#15803d;border-top:1px dashed var(--border,#cbd5e1);padding-top:5px;font-size:.8rem;font-style:normal;font-weight:500;line-height:1.4}.vocab-card-footer{border-top:1px solid var(--border,#f1f5f9);justify-content:space-between;align-items:center;padding-top:10px;display:flex}.vocab-status-select{cursor:pointer;border:1.5px solid #0000;border-radius:20px;outline:none;min-width:118px;padding:5px 12px;font-size:.82rem;font-weight:700;transition:background-color .15s,border-color .15s,box-shadow .15s;box-shadow:0 1px 3px #0000000d}.vocab-status-select.status-NEW{color:#b91c1c;background-color:#fef2f2;border-color:#fecaca}.vocab-status-select.status-LEARNING{color:#b45309;background-color:#fffbeb;border-color:#fde68a}.vocab-status-select.status-MASTERED{color:#047857;background-color:#ecfdf5;border-color:#a7f3d0}.vocab-status-select:hover{filter:brightness(.96)}.vocab-status-select:focus{outline:none;box-shadow:0 0 0 2px #3b82f64d}.vocab-status-select option{color:#1e293b;background-color:#fff;padding:8px 12px;font-weight:600}.vocab-audio-btn{color:#3b82f6;cursor:pointer;background:0 0;border:none;align-items:center;padding:4px;display:flex}.dict-toast-container{z-index:3000;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.dict-toast{color:#fff;pointer-events:auto;background:#1e293b;border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:.85rem;font-weight:600;animation:.2s ease-out slideUp;display:flex;box-shadow:0 4px 14px #00000040}.dict-toast.toast-success{border-left:4px solid #10b981}.dict-toast.toast-error{border-left:4px solid #ef4444}.dict-toast.toast-info{border-left:4px solid #3b82f6}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.vocab-review-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9999;background:#0f172ad9;justify-content:center;align-items:center;padding:20px;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}.vocab-review-modal{border:1px solid #ffffff26;border-radius:20px;flex-direction:column;width:100%;max-width:580px;display:flex;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #000000b3;color:#f8fafc!important;background:#0f172a!important}.review-header{border-bottom:1px solid var(--border-color,#ffffff14);background:#0003;justify-content:space-between;align-items:center;gap:16px;padding:16px 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16px;display:flex}.context-orig{color:#f1f5f9;font-size:1.05rem;font-style:italic;font-weight:500;line-height:1.45}.context-trans{color:#34d399;border-top:1px dashed #ffffff26;padding-top:8px;font-size:.95rem;font-style:normal;font-weight:500;line-height:1.4}.quiz-meaning-hint{color:#94a3b8;margin-top:4px;font-size:.95rem}.text-quiz-form{flex-direction:column;gap:12px;width:100%;margin-top:12px;display:flex}.quiz-text-input{color:#fff;text-align:center;background:#0000004d;border:1.5px solid #ffffff26;border-radius:12px;outline:none;width:100%;padding:14px 16px;font-size:1.1rem;transition:all .2s}.quiz-text-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px 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#ef4444;border-radius:12px;flex:1;padding:12px;font-weight:600;transition:all .2s}.btn-fc-wrong:hover{background:#ef44444d}.btn-fc-correct{color:#34d399;cursor:pointer;background:#10b98126;border:1px solid #10b981;border-radius:12px;flex:1;padding:12px;font-weight:600;transition:all .2s}.btn-fc-correct:hover{background:#10b9814d}.summary-card{text-align:center;align-items:center;gap:16px;padding:36px 28px}.summary-icon{font-size:3.5rem}.summary-stats{gap:20px;margin:16px 0;display:flex}.stat-box{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:14px;flex-direction:column;align-items:center;padding:16px 24px;display:flex}.stat-val{color:#10b981;font-size:1.8rem;font-weight:800}.stat-lbl{color:#94a3b8;font-size:.8rem}.btn-review-finish{color:#fff;cursor:pointer;background:linear-gradient(90deg,#10b981,#059669);border:none;border-radius:12px;padding:14px 28px;font-size:1rem;font-weight:700;transition:transform 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.feedback-modal-header{border-bottom-color:#334155}.feedback-modal-title{align-items:center;gap:10px;margin:0;font-size:1.15rem;font-weight:700;display:flex}.feedback-close-btn{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px;transition:all .15s;display:flex}.feedback-close-btn:hover{color:#0f172a;background:#64748b26}[data-theme=dark] .feedback-close-btn:hover{color:#f8fafc}.feedback-modal-body{flex-direction:column;gap:18px;padding:20px 24px;display:flex;overflow-y:auto}.feedback-type-pills{flex-wrap:wrap;gap:8px;display:flex}.type-pill{color:#475569;cursor:pointer;background:0 0;border:1px solid #cbd5e1;border-radius:9999px;align-items:center;gap:6px;padding:7px 14px;font-size:.82rem;font-weight:600;transition:all .2s;display:inline-flex}[data-theme=dark] .type-pill{color:#cbd5e1;border-color:#475569}.type-pill.active{color:#fff;background:#3b82f6;border-color:#2563eb;box-shadow:0 2px 8px #2563eb59}.feedback-rating-row{align-items:center;gap:12px;display:flex}.rating-stars{gap:4px;display:flex}.star-btn{cursor:pointer;color:#cbd5e1;background:0 0;border:none;padding:2px;font-size:1.4rem;line-height:1;transition:transform .15s,color .15s}.star-btn:hover,.star-btn.filled{color:#f59e0b;transform:scale(1.15)}.feedback-textarea{width:100%;color:inherit;resize:vertical;box-sizing:border-box;background:#f8fafc;border:1px solid #cbd5e1;border-radius:10px;outline:none;min-height:110px;padding:12px 14px;font-family:inherit;font-size:.92rem;line-height:1.5;transition:border-color .2s,box-shadow .2s}.feedback-textarea:focus{background:#fff;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f626}[data-theme=dark] .feedback-textarea{background:#0f172a;border-color:#334155}[data-theme=dark] .feedback-textarea:focus{background:#0b1120;border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf833}.feedback-footer-info{color:#64748b;justify-content:space-between;align-items:center;font-size:.78rem;display:flex}.feedback-modal-actions{border-top:1px solid var(--border-color,#e2e8f0);justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}[data-theme=dark] .feedback-modal-actions{border-top-color:#334155}.my-feedbacks-list{flex-direction:column;gap:10px;margin-top:6px;display:flex}.my-feedback-card{background:#94a3b814;border:1px solid #94a3b826;border-radius:8px;padding:10px 14px;font-size:.85rem}.admin-portal-container{max-width:1280px;margin:0 auto;padding:24px 16px 60px;animation:.3s ease-out fbFadeIn}.admin-header-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.admin-title-group h1{align-items:center;gap:10px;margin:0 0 4px;font-size:1.6rem;font-weight:800;display:flex}.admin-title-group p{color:#64748b;margin:0;font-size:.9rem}.admin-nav-tabs{background:#94a3b81f;border-radius:12px;gap:8px;padding:4px;display:flex}.admin-tab-btn{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:9px;align-items:center;gap:8px;padding:8px 18px;font-size:.88rem;font-weight:600;transition:all .2s;display:inline-flex}.admin-tab-btn:hover{color:#0f172a}[data-theme=dark] .admin-tab-btn:hover{color:#f8fafc}.admin-tab-btn.active{color:#1e293b;background:#fff;box-shadow:0 2px 6px #00000014}[data-theme=dark] .admin-tab-btn.active{color:#f8fafc;background:#334155}.admin-stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--surface-bg,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:14px;align-items:center;gap:16px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 4px 6px -1px #00000008}.stat-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #00000014}[data-theme=dark] .stat-card{background:#1e293b;border-color:#334155}.stat-icon-wrapper{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;display:flex}.stat-icon-users{color:#2563eb;background:#3b82f61f}.stat-icon-lessons{color:#9333ea;background:#a855f71f}.stat-icon-sessions{color:#059669;background:#10b9811f}.stat-icon-completed{color:#c2410c;background:#ea580c1f}.stat-icon-feedbacks{color:#d97706;background:#f59e0b1f}.stat-icon-vocab{color:#db2777;background:#ec48991f}.stat-info .stat-value{font-size:1.65rem;font-weight:800;line-height:1.2}.stat-info .stat-label{color:#64748b;font-size:.82rem;font-weight:500}.admin-card-section{background:var(--surface-bg,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:16px;margin-bottom:24px;padding:24px;box-shadow:0 4px 6px -1px #00000008}[data-theme=dark] .admin-card-section{background:#1e293b;border-color:#334155}.admin-filter-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.admin-search-input{width:100%;max-width:320px;color:inherit;background:#f8fafc;border:1px solid #cbd5e1;border-radius:10px;outline:none;padding:9px 14px;font-size:.88rem}[data-theme=dark] .admin-search-input{background:#0f172a;border-color:#334155}.admin-search-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f626}.user-item-card{border:1px solid var(--border-color,#e2e8f0);background:var(--surface-bg,#fff);border-radius:12px;margin-bottom:12px;transition:all .2s;overflow:hidden}[data-theme=dark] .user-item-card{background:#1e293b;border-color:#334155}.user-item-summary{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:14px;padding:14px 18px;display:flex}.user-item-summary:hover{background:#94a3b80f}.user-left-info{align-items:center;gap:12px;display:flex}.user-avatar-circle{color:#fff;background:linear-gradient(135deg,#3b82f6,#6366f1);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.05rem;font-weight:700;display:flex;overflow:hidden}.user-avatar-circle img{object-fit:cover;width:100%;height:100%}.user-text-meta .user-name{align-items:center;gap:8px;font-size:.95rem;font-weight:700;display:flex}.user-text-meta .user-email{color:#64748b;font-size:.8rem}.user-right-metrics{align-items:center;gap:16px;display:flex}.metric-pill{color:#475569;white-space:nowrap;background:#94a3b81f;border-radius:6px;padding:4px 10px;font-size:.8rem;font-weight:600}[data-theme=dark] .metric-pill{color:#cbd5e1}.user-lessons-breakdown{border-top:1px solid var(--border-color,#e2e8f0);background:#94a3b80a;padding:16px 20px 20px}[data-theme=dark] .user-lessons-breakdown{background:#0f172a4d;border-top-color:#334155}.lessons-table-title{text-transform:uppercase;letter-spacing:.5px;color:#64748b;margin-bottom:12px;font-size:.85rem;font-weight:700}.user-lesson-row{background:var(--surface-bg,#fff);border:1px solid #94a3b826;border-radius:8px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:8px;padding:10px 12px;display:flex}[data-theme=dark] .user-lesson-row{background:#1e293b}.lesson-meta-thumb{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.lesson-meta-thumb img{object-fit:cover;border-radius:6px;flex-shrink:0;width:56px;height:36px}.lesson-meta-thumb .lesson-title{white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:600;overflow:hidden}.lesson-progress-box{align-items:center;gap:12px;min-width:240px;display:flex}.progress-bar-container{background:#94a3b833;border-radius:4px;flex:1;height:8px;overflow:hidden}.progress-bar-fill{border-radius:4px;height:100%;transition:width .3s}.progress-rate-text{text-align:right;min-width:50px;font-size:.82rem;font-weight:700}.badge{text-transform:uppercase;letter-spacing:.3px;border-radius:6px;align-items:center;gap:5px;padding:3px 9px;font-size:.75rem;font-weight:700;display:inline-flex}.badge-pending{color:#d97706;background:#f59e0b26;border:1px solid #f59e0b4d}.badge-reviewed{color:#2563eb;background:#3b82f626;border:1px solid #3b82f64d}.badge-resolved{color:#059669;background:#10b98126;border:1px solid #10b9814d}.badge-admin{color:#4f46e5;background:#6366f126;border:1px solid #6366f14d}.feedback-admin-card{border:1px solid var(--border-color,#e2e8f0);background:var(--surface-bg,#fff);border-radius:12px;flex-direction:column;gap:10px;margin-bottom:12px;padding:16px;display:flex}[data-theme=dark] .feedback-admin-card{background:#1e293b;border-color:#334155}.feedback-admin-top{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.feedback-sender-info{align-items:center;gap:8px;font-size:.88rem;font-weight:600;display:flex}.feedback-content-text{color:inherit;white-space:pre-wrap;background:#94a3b80d;border-radius:8px;padding:10px 12px;font-size:.92rem;line-height:1.5}.feedback-actions-bar{justify-content:flex-end;gap:8px;margin-top:4px;display:flex}