:root{--bg: #f5f6f8;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--primary: #6a1b9a;--primary-dark: #4a148c;--border: #e5e7eb;--sidebar: #4a148c;--error: #b91c1c}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{width:220px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;padding:24px 16px}.brand{font-weight:700;font-size:18px;margin-bottom:24px}.sidebar nav{display:flex;flex-direction:column;gap:8px;flex:1}.sidebar nav a{color:#e1bee7;padding:10px 12px;border-radius:8px;text-decoration:none}.sidebar nav a.active,.sidebar nav a:hover{background:#ffffff1f;color:#fff}.main{flex:1;padding:24px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.card-title{font-weight:600;margin-bottom:8px}.muted{color:var(--muted);font-size:14px}.readonly-badge{display:inline-block;background:#f3e5f5;color:var(--primary);padding:2px 8px;border-radius:999px;font-size:12px}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 16px;cursor:pointer}.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);border-radius:8px;padding:10px 16px;cursor:pointer}.btn-primary:disabled,.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:420px;background:var(--card);border-radius:16px;padding:32px;box-shadow:0 8px 24px #00000014}.login-card h1{margin-top:0;color:var(--primary)}.login-card label{display:block;margin-bottom:12px;font-size:14px}.login-card input{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--border);border-radius:8px}.error{color:var(--error);font-size:14px;margin:8px 0}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.stat-item{background:#faf5ff;border-radius:10px;padding:12px}.stat-item .label{font-size:13px;color:var(--muted)}.stat-item .value{font-size:20px;font-weight:700;margin-top:4px}.list-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}.list-row:last-child{border-bottom:none}@media(max-width:768px){.app-shell{flex-direction:column}.sidebar{width:100%}}