:root{--bg-primary: #fdf6f0;--bg-secondary: #f9ede4;--bg-tertiary: #ffffff;--bg-surface: #fff5ee;--bg-surface-hover: #f5e8dd;--bg-elevated: #f0ddd0;--border-color: #e0c8b8;--border-subtle: #ead5c6;--text-primary: #2d1b12;--text-secondary: #6b4a3a;--text-muted: #9a7b6a;--text-faint: #c4a998;--accent-primary: #c4501a;--accent-primary-hover: #d4652f;--accent-gradient-start: #c4501a;--accent-gradient-end: #a8400f;--accent-glow: rgba(196, 80, 26, .15);--accent-green: #16a34a;--accent-purple: #7c3aed;--accent-blue: #2563eb;--accent-amber: #d97706;--glass-bg: rgba(255, 255, 255, .75);--glass-border: rgba(224, 200, 184, .5);--selection-bg: rgba(196, 80, 26, .2);--modal-overlay: rgba(45, 27, 18, .3);--shadow-strength: .08;--sidebar-width-collapsed: 64px;--sidebar-width-expanded: 260px;--header-height: 56px;--chat-input-height: 72px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}.dark{--bg-primary: #1a1012;--bg-secondary: #231519;--bg-tertiary: #2d1b20;--bg-surface: #321f25;--bg-surface-hover: #3d2630;--bg-elevated: #42292f;--border-color: #4a2f36;--border-subtle: #3a2329;--text-primary: #f5e6ea;--text-secondary: #c9a3ac;--text-muted: #8b6b73;--text-faint: #6b5058;--accent-primary: #e8734a;--accent-primary-hover: #f08860;--accent-gradient-start: #e8734a;--accent-gradient-end: #d4553a;--accent-glow: rgba(232, 115, 74, .25);--accent-green: #4ade80;--accent-purple: #a78bfa;--accent-blue: #60a5fa;--accent-amber: #fbbf24;--glass-bg: rgba(50, 31, 37, .65);--glass-border: rgba(74, 47, 54, .5);--selection-bg: rgba(232, 115, 74, .3);--modal-overlay: rgba(10, 5, 7, .7);--shadow-strength: .4}html.theme-transition,html.theme-transition *,html.theme-transition *:before,html.theme-transition *:after{transition:background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s 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