:root{--bg-primary: #ffffff;--bg-secondary: #f2f2f7;--bg-tertiary: #ffffff;--bg-hover: rgba(0, 0, 0, .05);--bg-active: rgba(0, 0, 0, .1);--text-primary: #000000;--text-secondary: #8e8e93;--text-muted: #aeaeb2;--accent: #e5a720;--accent-light: #f5c451;--accent-bg: rgba(229, 167, 32, .15);--accent-text: #ffffff;--danger: #ff3b30;--success: #34c759;--link: #007aff;--border: #e5e5ea;--border-focus: #c6c6c8;--radius-sm: 8px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--transition-fast: .15s ease;--transition: .3s cubic-bezier(.25, .1, .25, 1);--sidebar-width: 280px}:root.dark-theme{--bg-primary: #000000;--bg-secondary: #1c1c1e;--bg-tertiary: #1c1c1e;--bg-hover: rgba(255, 255, 255, .08);--bg-active: rgba(255, 255, 255, .12);--text-primary: #ffffff;--text-secondary: #8e8e93;--text-muted: #636366;--border: #38383a;--border-focus: #48484a;--shadow-sm: 0 1px 2px rgba(0,0,0,.5);--shadow-md: 0 4px 12px rgba(0,0,0,.5);--accent: #e5a720;--accent-light: #f5c451;--accent-bg: rgba(229, 167, 32, .25);--accent-text: #000000}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);overflow:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.app-layout{display:flex;height:100vh;width:100vw;transition:var(--transition);background:var(--bg-primary)}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid 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