@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-card:#fff;--bg-card-hover:#f1f5f9;--bg-glass:#fffc;--border:#e2e8f0;--border-hover:#cbd5e1;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--accent:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f126;--speaking:#ef4444;--speaking-bg:#ef44441a;--writing:#3b82f6;--writing-bg:#3b82f61a;--reading:#f59e0b;--reading-bg:#f59e0b1a;--listening:#10b981;--listening-bg:#10b9811a;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:30px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-glow:0 0 30px var(--accent-glow);--transition:all .2s cubic-bezier(.4, 0, .2, 1);--transition-slow:all .4s cubic-bezier(.4, 0, .2, 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0}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1{letter-spacing:-.03em;font-size:2rem;font-weight:800}h2{letter-spacing:-.02em;font-size:1.5rem;font-weight:700}h3{font-size:1.25rem;font-weight:600}h4{font-size:1rem;font-weight:600}p{color:var(--text-secondary)}.app-layout{width:100%;height:100vh;display:flex}.main-content{background:var(--bg-secondary);flex-direction:column;flex:1;height:100%;display:flex;overflow-y:auto}.main-content:after{content:"";flex-shrink:0;min-height:4rem;display:block}.page-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem}.sidebar{width:var(--sidebar-width);background:#fff;border-right:1px solid #0000000d;flex-direction:column;transition:transform .3s;display:flex;box-shadow:0 4px 20px #00000008}body.test-mode-active .lumina-sidebar{display:none!important}body.test-mode-active .main-content{margin-left:0!important}body.test-mode-active 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#cbd5e1;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:1rem;display:flex}.test-main-card{background:#fff;border:1px solid #f1f5f9;border-radius:24px;flex-direction:column;flex:1;width:100%;max-width:1200px;margin:2rem auto;padding:2.5rem;display:flex;overflow-y:auto;box-shadow:0 4px 25px #00000008}.test-timer-circle{border:2px dashed #cbd5e1;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:200px;height:200px;margin:0 auto;display:flex}.test-passage-box{background:#f8fafc;border:2px dotted #cbd5e1;border-radius:16px;padding:1.5rem 1.75rem;position:relative}.test-passage-box:after{content:"\"";color:#e2e8f0;opacity:.5;pointer-events:none;font-family:serif;font-size:8rem;line-height:1;position:absolute;top:1rem;right:2rem}.test-bottom-action-bar{z-index:10;background:#fff;border-top:1px solid #e2e8f0;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.sidebar-logo{flex-direction:column;align-items:center;gap:.75rem;padding:2rem 1.5rem 1rem;display:flex}.sidebar-logo-icon{background:linear-gradient(135deg, var(--accent), #8b5cf6);color:#fff;border:3px solid #181b3a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:60px;height:60px;font-size:1.5rem;font-weight:800;display:flex;box-shadow:0 4px 10px #0003}.sidebar-logo-text{color:#fff;font-size:1.1rem;font-weight:600;line-height:1.2}.sidebar-logo-sub{color:#ffffff80;font-size:.7rem;font-weight:400}.sidebar-nav{flex-direction:column;flex:1;gap:.5rem;padding:1rem 1.5rem;display:flex}.nav-section-label{display:none}.nav-item{border-radius:var(--radius-md);color:#fff9;transition:var(--transition);align-items:center;gap:1rem;padding:.875rem 1rem;font-size:.9rem;font-weight:500;display:flex;position:relative}.nav-item:hover{color:#fff}.nav-item.active{color:#fff;background:#ffffff0d;border:none}.nav-item 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var(--bg-secondary);border-radius:50%;width:8px;height:8px;position:absolute;top:6px;right:6px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:1.5rem}.card:hover{border-color:var(--border-hover)}.card-glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg)}.card-header{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.card-title{color:var(--text-primary);font-size:1rem;font-weight:600}.btn{border-radius:var(--radius-md);transition:var(--transition);white-space:nowrap;border:none;align-items:center;gap:.5rem;padding:.6rem 1.25rem;font-size:.875rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--accent), #8b5cf6);color:#fff}.btn-primary:hover{box-shadow:0 4px 20px 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.875rem;font-size:.78rem;font-weight:600;display:inline-flex}.module-btn.speaking{background:var(--speaking);color:#fff}.module-btn.writing{background:var(--writing);color:#fff}.module-btn.reading{background:var(--reading);color:#fff}.module-btn.listening{background:var(--listening);color:#fff}.test-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;display:grid}.test-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);cursor:pointer;overflow:hidden}.test-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}.test-card-header{border-bottom:1px solid var(--border);background:linear-gradient(135deg,#6366f126,#8b5cf61a);align-items:center;gap:.75rem;padding:1rem 1.25rem;display:flex}.test-card-icon{background:linear-gradient(135deg, var(--accent), 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var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:.7rem 1rem;font-size:.9rem}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-control::placeholder{color:var(--text-muted)}textarea.form-control{resize:vertical;min-height:120px}select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;background-size:1.25rem;padding-right:2.5rem}.form-row{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;display:grid}.form-error{color:var(--danger);align-items:center;gap:.25rem;margin-top:.4rem;font-size:.8rem;display:flex}.table-container{border-radius:var(--radius-lg);border:1px solid var(--border);overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th{background:var(--bg-secondary);text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);white-space:nowrap;border-bottom:1px solid var(--border);padding:.875rem 1.25rem;font-size:.75rem;font-weight:600}.table td{border-bottom:1px solid var(--border);color:var(--text-secondary);vertical-align:middle;padding:1rem 1.25rem;font-size:.875rem}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#ffffff05}.table tbody tr{transition:var(--transition)}.badge{border-radius:var(--radius-full);white-space:nowrap;align-items:center;gap:.25rem;padding:.25rem .625rem;font-size:.72rem;font-weight:600;display:inline-flex}.badge-success{color:var(--success);background:#22c55e26;border:1px solid #22c55e33}.badge-warning{color:var(--warning);background:#f59e0b26;border:1px solid #f59e0b33}.badge-danger{color:var(--danger);background:#ef444426;border:1px solid #ef444433}.badge-info{color:var(--info);background:#3b82f626;border:1px solid #3b82f633}.badge-muted{color:var(--text-muted);border:1px solid var(--border);background:#94a3b81a}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:1rem;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;animation:.3s slideUp;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.modal-body{padding:1.5rem}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:.75rem;padding:1rem 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