:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e3e6eb;--text: #1f2937;--text-muted: #6b7280;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--radius: .5rem;--shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .04)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100vh}body{font-family:Sarabun,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;box-shadow:var(--shadow)}.topbar-brand{font-weight:700;color:var(--primary);font-size:1.05rem}.topbar-nav{display:flex;gap:.5rem;align-items:center}.topbar-nav a{color:var(--text-muted);padding:.35rem .7rem;border-radius:var(--radius);font-weight:500}.topbar-nav a:hover{background:var(--bg);color:var(--text);text-decoration:none}.topbar-nav a.router-link-active{background:var(--primary);color:#fff}.topbar-user{display:flex;align-items:center;gap:.6rem;font-size:.85rem;color:var(--text-muted)}.main{flex:1;padding:1.25rem;max-width:1100px;width:100%;margin:0 auto}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1rem;overflow:hidden}.card-header{padding:.85rem 1.1rem;border-bottom:1px solid var(--border);font-weight:600;display:flex;justify-content:space-between;align-items:center}.card-body{padding:1.1rem}.field{margin-bottom:.9rem}.field label{display:block;margin-bottom:.3rem;font-weight:500;font-size:.85rem;color:var(--text)}input[type=text],input[type=password],input[type=number],input[type=date],input[type=email],select,textarea{width:100%;padding:.5rem .7rem;border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:.9rem;color:var(--text);background:#fff;transition:border .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb26}button{border:none;border-radius:var(--radius);padding:.5rem 1rem;font-family:inherit;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{background:#9ca3af;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}table{width:100%;border-collapse:collapse;font-size:.88rem}th,td{text-align:left;padding:.6rem .85rem;border-bottom:1px solid var(--border)}th{background:var(--bg);font-weight:600;color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}tbody tr:hover{background:var(--bg)}.alert{padding:.65rem .9rem;border-radius:var(--radius);margin-bottom:.9rem;font-size:.88rem;font-weight:500}.alert-error{background:#fef2f2;color:var(--danger);border-left:3px solid var(--danger)}.alert-success{background:#f0fdf4;color:var(--success);border-left:3px solid var(--success)}.badge{display:inline-block;padding:.15rem .55rem;border-radius:1rem;font-size:.72rem;font-weight:600}.badge-success{background:#dcfce7;color:var(--success)}.badge-danger{background:#fee2e2;color:var(--danger)}.badge-warning{background:#fef3c7;color:var(--warning)}.badge-muted{background:#f3f4f6;color:var(--text-muted)}.empty{padding:2rem;text-align:center;color:var(--text-muted)}.auth-shell{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#dbeafe 0%,var(--bg) 100%);padding:1rem}.auth-card{background:var(--surface);border-radius:.65rem;box-shadow:0 8px 32px #00000014;padding:2rem;width:100%;max-width:380px}.auth-title{text-align:center;color:var(--primary);margin-bottom:.25rem;font-size:1.35rem}.auth-sub{text-align:center;color:var(--text-muted);margin-bottom:1.5rem;font-size:.85rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.85rem;margin-bottom:1rem}.stat{background:var(--surface);padding:1rem;border-radius:var(--radius);box-shadow:var(--shadow)}.stat-label{color:var(--text-muted);font-size:.8rem}.stat-value{font-size:1.5rem;font-weight:700;margin-top:.2rem}@media(max-width:600px){.topbar{flex-wrap:wrap;gap:.5rem}.topbar-nav{width:100%;overflow-x:auto}}