:root{--bg: #f5f7fa;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--accent: #2563eb;--accent-hover: #1d4ed8;--success: #16a34a;--warning: #ca8a04;--danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:DM Sans,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.container--wide{max-width:1600px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #0000000f}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:8px;border:none;font-weight:500;font-size:.95rem;transition:background .15s,color 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