:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--primary-bg: #eef2ff;--success: #10b981;--success-bg: #d1fae5;--warning: #f59e0b;--warning-bg: #fef3c7;--error: #ef4444;--error-bg: #fee2e2;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--white: #ffffff;--background: #f8fafc;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, 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.24));--overlay-bg: linear-gradient(to bottom, rgba(0, 0, 0, .18), rgba(0, 0, 0, .36));--modal-bg: rgba(15, 23, 42, .94);--feature-card-bg: linear-gradient(155deg, rgba(15, 23, 42, .94), rgba(15, 23, 42, .82));--feature-card-border: linear-gradient(135deg, rgba(129, 140, 248, .52), rgba(56, 189, 248, .34), rgba(167, 139, 250, .46));--feature-tag-bg: rgba(30, 41, 59, .88);--feature-tag-border: rgba(99, 102, 241, .38)}:root[data-theme=light]{--app-bg: radial-gradient(1000px 550px at 12% -8%, rgba(99, 102, 241, .08), transparent 62%), radial-gradient(900px 450px at 92% 5%, rgba(14, 165, 233, .06), transparent 58%), linear-gradient(145deg, #ffffff 0%, #ffffff 45%, #ffffff 100%);--app-text: var(--gray-800);--text-strong: #0f172a;--text-default: #1f2937;--text-muted: #4b5563;--text-subtle: #6b7280;--nav-bg: rgba(255, 255, 255, .64);--card-bg: rgba(255, 255, 255, .58);--soft-surface-bg: rgba(255, 255, 255, .95);--surface-elevated: rgba(255, 255, 255, .94);--surface-border: rgba(209, 213, 219, .75);--surface-strong-border: rgba(99, 102, 241, .16);--surface-glow: 0 20px 44px -30px rgba(15, 23, 42, .26), 0 8px 20px -16px rgba(99, 102, 241, .2);--surface-accent-ring: linear-gradient(120deg, rgba(99, 102, 241, .2), rgba(56, 189, 248, .16), rgba(167, 139, 250, .18));--overlay-bg: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0));--modal-bg: rgba(255, 255, 255, 1);--feature-card-bg: linear-gradient(155deg, rgba(255, 255, 255, .99), rgba(248, 250, 252, .96));--feature-card-border: linear-gradient(135deg, rgba(99, 102, 241, .42), rgba(56, 189, 248, .28), rgba(139, 92, 246, .36));--feature-tag-bg: rgba(248, 250, 252, .92);--feature-tag-border: rgba(148, 163, 184, 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