:root{--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--bg-main: #0B0F19;--bg-surface: #111827;--bg-surface-elevated: #1F2937;--bg-surface-glass: rgba(17, 24, 39, .85);--bg-card: #151D2C;--bg-card-hover: #1A2436;--border-subtle: #1F2A3D;--border-focus: #3B82F6;--border-light: #2D3A4F;--text-primary: #F3F4F6;--text-secondary: #9CA3AF;--text-muted: #6B7280;--text-highlight: #60A5FA;--primary: #2563EB;--primary-hover: #1D4ED8;--primary-light: rgba(37, 99, 235, .15);--accent-emerald: #10B981;--accent-emerald-light: rgba(16, 185, 129, .15);--accent-amber: #F59E0B;--accent-amber-light: rgba(245, 158, 11, .15);--accent-rose: #EF4444;--accent-rose-light: rgba(239, 68, 68, .15);--accent-purple: #8B5CF6;--accent-purple-light: rgba(139, 92, 246, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .3);--shadow-glow-blue: 0 0 25px rgba(37, 99, 235, .25);--shadow-glow-emerald: 0 0 25px rgba(16, 185, 129, .25);--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--bg-surface-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.app-container{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:2rem 1.5rem 4rem}.navbar{background-color:var(--bg-surface-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:50}.navbar-inner{max-width:1200px;margin:0 auto;padding:.85rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.25rem;letter-spacing:-.02em}.nav-brand .brand-badge{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;padding:.2rem .55rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.nav-actions{display:flex;align-items:center;gap:.75rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-size:.925rem;font-weight:600;padding:.65rem 1.2rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:var(--shadow-glow-blue);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-surface-elevated);border-color:var(--border-light);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-card-hover);border-color:#3b82f6;color:#fff}.btn-emerald{background-color:var(--accent-emerald);color:#fff}.btn-emerald:hover:not(:disabled){background-color:#059669;box-shadow:var(--shadow-glow-emerald);transform:translateY(-1px)}.btn-amber{background-color:var(--accent-amber-light);border-color:var(--accent-amber);color:#fbbf24}.btn-amber:hover:not(:disabled){background-color:#f59e0b40}.btn-danger{background-color:var(--accent-rose-light);border-color:var(--accent-rose);color:#f87171}.btn-danger:hover:not(:disabled){background-color:#ef444440}.btn-sm{padding:.4rem .75rem;font-size:.825rem;border-radius:var(--radius-sm)}.btn-lg{padding:.85rem 1.6rem;font-size:1.05rem;border-radius:var(--radius-lg)}.card{background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);transition:border-color var(--transition-fast)}.card-header{margin-bottom:1.25rem}.card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:.6rem}.card-description{color:var(--text-secondary);font-size:.925rem;margin-top:.25rem}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;border-radius:9999px;font-size:.775rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-blue{background-color:var(--primary-light);color:#93c5fd;border:1px solid rgba(59,130,246,.3)}.badge-emerald{background-color:var(--accent-emerald-light);color:#6ee7b7;border:1px solid rgba(16,185,129,.3)}.badge-amber{background-color:var(--accent-amber-light);color:#fcd34d;border:1px solid rgba(245,158,11,.3)}.badge-purple{background-color:var(--accent-purple-light);color:#c4b5fd;border:1px solid rgba(139,92,246,.3)}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.form-input,.form-textarea,.form-select{width:100%;padding:.75rem 1rem;background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;transition:all var(--transition-fast)}.form-textarea{min-height:120px;resize:vertical;line-height:1.5}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f633;background-color:#0e1524}.form-hint{font-size:.8rem;color:var(--text-muted);margin-top:.35rem}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}@media (max-width: 768px){.grid-2{grid-template-columns:1fr}}.audio-recorder-container{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem;position:relative;overflow:hidden}.recorder-canvas{width:100%;height:80px;background:#090d16;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.recorder-controls{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:center}.pulse-recording{animation:pulse-ring 1.5s cubic-bezier(.215,.61,.355,1) infinite}@keyframes pulse-ring{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 14px #ef444400}to{box-shadow:0 0 #ef444400}}.score-badge-circle{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.25rem;border:3px solid}.score-high{background:var(--accent-emerald-light);border-color:var(--accent-emerald);color:#34d399}.score-mid{background:var(--accent-amber-light);border-color:var(--accent-amber);color:#fbbf24}.score-low{background:var(--accent-rose-light);border-color:var(--accent-rose);color:#f87171}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:1.5rem}.modal-content{background-color:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);max-width:540px;width:100%;padding:2rem;box-shadow:var(--shadow-lg);animation:modal-enter .25s cubic-bezier(.16,1,.3,1)}@keyframes modal-enter{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.hint-accordion{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden;transition:all var(--transition-fast)}.hint-accordion-header{padding:.85rem 1.2rem;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:600;font-size:.925rem;color:#fcd34d;background:#f59e0b0d}.hint-accordion-header:hover{background:#f59e0b1a}.hint-accordion-body{padding:1rem 1.2rem;color:var(--text-secondary);font-size:.9rem;border-top:1px solid var(--border-subtle);line-height:1.6}.animate-fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}