:root{--font: "Vazirmatn", system-ui, sans-serif;--bg: #f6f7f9;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--accent: #0891b2;--accent-soft: rgba(8, 145, 178, .12);--border: #e2e8f0;--shadow: 0 18px 50px rgba(15, 23, 42, .08);--header: rgba(246, 247, 249, .86);--hero-a: #ecfeff;--hero-b: #f8fafc;color-scheme:light}[data-theme=dark]{--bg: #070b14;--surface: #0f1624;--text: #f1f5f9;--muted: #94a3b8;--accent: #22d3ee;--accent-soft: rgba(34, 211, 238, .12);--border: #1e293b;--shadow: 0 18px 50px rgba(0, 0, 0, .28);--header: rgba(7, 11, 20, .82);--hero-a: #07111f;--hero-b: #0b1220;color-scheme:dark}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}.app-shell{min-height:100dvh;display:flex;flex-direction:column}main{flex:1}.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.container.narrow{width:min(640px,calc(100% - 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