:root{--color-primary:#1a56db;--color-primary-hover:#1648b8;--color-bg:#f8fafc;--color-surface:#fff;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-danger:#dc2626;--color-success:#16a34a;--radius:6px;--shadow:0 1px 3px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}#app{min-height:100vh}a{color:var(--color-primary);text-decoration:none}button,.btn{border-radius:var(--radius);cursor:pointer;background:var(--color-primary);color:#fff;border:none;align-items:center;padding:8px 16px;font-size:14px;font-weight:500;display:inline-flex}button:hover,.btn:hover{background:var(--color-primary-hover)}button.secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}button.danger{background:var(--color-danger)}input,select{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;padding:8px 12px;font-size:14px}input:focus,select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 2px #1a56db33}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:24px}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:10px 12px}th{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}.nav{background:var(--color-surface);border-bottom:1px solid var(--color-border);align-items:center;gap:24px;height:56px;padding:0 24px;display:flex}.nav-brand{color:var(--color-text);font-size:16px;font-weight:700}.nav a{color:var(--color-text-muted);border-bottom:2px solid #0000;padding:16px 0;font-size:14px}.nav a.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.page{max-width:1024px;margin:0 auto;padding:24px}.page h1{margin-bottom:16px;font-size:24px}.form-group{margin-bottom:16px}.form-group label{margin-bottom:4px;font-size:14px;font-weight:500;display:block}.flex{align-items:center;gap:12px;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.badge{background:var(--color-border);color:var(--color-text-muted);border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge.success{color:#166534;background:#dcfce7}.badge.warning{color:#92400e;background:#fef3c7}.badge.danger{color:#991b1b;background:#fee2e2}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:14px}