:root{--color-primary: #2563eb;--color-primary-light: #3b82f6;--color-primary-dark: #1d4ed8;--color-accent: #6b7280;--color-accent-light: #9ca3af;--color-accent-dark: #4b5563;--gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1f1f1f 100%);--gradient-accent: linear-gradient(90deg, #4b5563, #6b7280, #9ca3af);--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-card: rgba(45, 45, 45, .5);--bg-card-hover: rgba(45, 45, 45, .8);--bg-element: #2d2d2d;--bg-input: #1a1a1a;--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-subtle: rgba(255, 255, 255, .1);--border-accent: rgba(107, 114, 128, .5);--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .5);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin:0}a{color:var(--color-accent-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--text-primary)}.text-gradient{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.6rem 1.25rem;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s ease,transform .12s ease,box-shadow .15s ease,border-color .15s ease;line-height:1.4;letter-spacing:.01em;white-space:nowrap}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn:focus-visible{outline:2px solid #58a6ff;outline-offset:2px}.btn-primary{background:#2563eb;color:#fff;border:1px solid rgba(37,99,235,.5)}.btn-primary:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px);box-shadow:0 4px 12px #2563eb40}.btn-primary:active:not(:disabled){transform:translateY(0);background:#1e40af}.btn-secondary{background:#ffffff0f;color:var(--text-secondary);border:1px solid var(--border-subtle)}.btn-secondary:hover:not(:disabled){background:#ffffff1a;color:var(--text-primary);border-color:#ffffff26}.btn-outline{background:transparent;color:var(--text-secondary);border:1px solid var(--border-subtle)}.btn-outline:hover:not(:disabled){background:#ffffff0d;color:var(--text-primary);border-color:#fff3}.btn-danger{background:#ef44441f;color:#f87171;border:1px solid rgba(239,68,68,.2)}.btn-danger:hover:not(:disabled){background:#ef444433;border-color:#ef444459}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:#ffffff0d;color:var(--text-primary)}.btn-success{background:#238636;color:#fff;border:1px solid rgba(35,134,54,.5)}.btn-success:hover:not(:disabled){background:#2ea043;transform:translateY(-1px);box-shadow:0 4px 12px #2ea04340}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--spacing-xl)}input,textarea,select{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.75rem 1rem;color:var(--text-primary);font-size:1rem;transition:all var(--transition-fast)}input::placeholder,textarea::placeholder,select::placeholder{color:var(--text-muted)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #6b728033}input:disabled,textarea:disabled,select:disabled{opacity:.5;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:16px;height:16px;border:2px solid var(--border-subtle);border-top-color:var(--text-primary);border-radius:50%;animation:spin .8s linear infinite}