:root{--dark:#111827;--muted:#6b7280;--bg:#f4f6f8;--border:#e5e7eb}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:#111827}
.container{width:min(1120px,92%);margin:auto}.navbar{background:var(--dark);color:#fff;padding:14px 0}
.navbar .inner{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.brand{font-size:20px;font-weight:700;text-decoration:none;color:#fff}
.navlinks{display:flex;gap:18px;flex:1}.navlinks a,.usernav a{color:#d1d5db;text-decoration:none}.navlinks a:hover,.navlinks .active,.usernav a:hover{color:#fff}
.usernav{display:flex;gap:12px;align-items:center}.page{padding:30px 0}.muted{color:var(--muted)}h1,h2,h3{margin-top:0}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);padding:22px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.col-4{grid-column:span 4}.col-6{grid-column:span 6}.col-12{grid-column:span 12}
.form-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.field{grid-column:span 4}.field.wide{grid-column:span 8}.field.full{grid-column:span 12}
label{display:block;font-weight:600;margin-bottom:6px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:7px;font:inherit;background:#fff}
.btn{display:inline-block;border-radius:7px;padding:10px 15px;text-decoration:none;cursor:pointer;font:inherit;border:0}.btn-dark{background:#111827;color:#fff}.btn-light{background:#fff;color:#111827;border:1px solid #cbd5e1}.btn-danger{background:#fff;color:#b91c1c;border:1px solid #fecaca}.btn-sm{padding:6px 10px;font-size:14px}
.alert{padding:12px 14px;border-radius:8px;margin:14px 0}.success{background:#ecfdf5;color:#065f46}.danger{background:#fef2f2;color:#991b1b}.info{background:#eff6ff;color:#1e40af}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border)}th{background:#f9fafb}.table-wrap{overflow:auto}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;background:#e5e7eb}.available{background:#dcfce7;color:#166534}.pending{background:#fef3c7;color:#92400e}.booked,.confirmed{background:#dbeafe;color:#1e40af}.cancelled{background:#fee2e2;color:#991b1b}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%)}.mb{margin-bottom:15px}.top-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.stat{font-size:38px;font-weight:700;margin:8px 0}
@media(max-width:760px){.col-4,.col-6,.field,.field.wide{grid-column:span 12}.navlinks{order:3;width:100%}.top-actions{flex-direction:column;align-items:flex-start}}