:root{--color-primary: #4f46e5;--color-primary-light: #818cf8;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:opacity .15s}button:hover{opacity:.9}.btn-primary{background:var(--color-primary);color:#fff}.btn-success{background:var(--color-success);color:#fff}.btn-danger{background:var(--color-danger);color:#fff}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}input,select,textarea{border:1px solid var(--color-border);border-radius:var(--radius);padding:.5rem .75rem;font-size:.875rem;width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e51a}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.badge{display:inline-block;padding:.125rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}