:root{--bg: #f0f2f5;--bg-primary: #ffffff;--bg-secondary: #f8f9fb;--bg-hover: #f4f5f7;--panel: #ffffff;--card: #ffffff;--card2: #f8f9fb;--text: #1a1d23;--text-secondary: #5f6878;--muted: #6b7280;--text-inverse: #ffffff;--input-bg: #f4f5f7;--border: #e5e8ed;--border-light: #f0f1f4;--shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 1px 2px rgba(0, 0, 0, .02);--shadow-hover: 0 4px 12px rgba(0, 0, 0, .06);--shadow-glow: 0 0 0 3px rgba(14, 165, 233, .15);--accent: #0ea5e9;--accent-dark: #0284c7;--accent-soft: rgba(14, 165, 233, .08);--accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);--danger: #ef4444;--danger-soft: rgba(239, 68, 68, .1);--danger-text: #dc2626;--success: #10b981;--success-soft: rgba(16, 185, 129, .1);--success-text: #059669;--info: #6366f1;--info-soft: rgba(99, 102, 241, .1);--transition-fast: .15s ease;--transition-normal: .2s ease;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--radius-full: 9999px;--header-h: 60px;--maxw: 1080px}html.dark-mode{--bg: #0f1117;--bg-primary: #161921;--bg-secondary: #1f2331;--bg-hover: #252a38;--panel: #161921;--card: #1a1d27;--card2: #1f2331;--text: #e8eaed;--text-secondary: #a0a8b8;--muted: #8b95a5;--input-bg: #1f2331;--border: #2a2f3d;--border-light: #222633;--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.9em;background:var(--bg-hover);padding:1px 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var(--transition-fast),box-shadow var(--transition-fast)}.field input:focus{outline:none;border-color:var(--accent);box-shadow:var(--shadow-glow)}.form-error{padding:10px 12px;background:var(--danger-soft);color:var(--danger-text);border-radius:var(--radius-md);font-size:13px}.auth-foot{margin:18px 0 0;font-size:13px;text-align:center}@media(max-width:640px){.app-nav{display:none}.hero-title{font-size:27px}}