:root{--navy:#071a3d;--blue:#0b2a5b;--gold:#d4af37;--light:#f5f7fb;--line:#e5e7eb;--text:#111827;--muted:#64748b}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--light);color:var(--text)}a{text-decoration:none;color:var(--blue);font-weight:800}.admin-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.admin-sidebar{padding:28px;background:linear-gradient(180deg,var(--navy),#061226);color:white}.admin-sidebar h2{margin:0 0 28px}.admin-sidebar a{display:block;color:white;padding:13px 14px;border-radius:14px;margin-bottom:8px}.admin-sidebar a:hover{background:rgba(255,255,255,.1)}.admin-main{padding:32px}.admin-top{margin-bottom:24px}.admin-top h1{margin:0;font-size:2.3rem}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stat-grid article,.panel,.login-card{padding:24px;border:1px solid var(--line);border-radius:24px;background:white;box-shadow:0 18px 50px rgba(7,26,61,.08)}.stat-grid span{display:block;color:var(--muted);font-weight:800}.stat-grid strong{font-size:2rem;color:var(--navy)}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}.badge{display:inline-block;padding:7px 10px;border-radius:999px;background:#fef3c7;color:#92400e;font-weight:900}.badge.paid{background:#dcfce7;color:#166534}.badge.cancelled{background:#fee2e2;color:#991b1b}.inline{display:inline-flex;gap:8px;align-items:center;margin-left:10px}.admin-btn,button{display:inline-flex;border:0;border-radius:999px;padding:11px 16px;background:linear-gradient(135deg,var(--gold),#f6d36b);color:#1f2937;font-weight:900;cursor:pointer}input,select,textarea{width:100%;padding:13px;border:1px solid var(--line);border-radius:14px;font:inherit}label{display:grid;gap:8px;margin-bottom:16px;font-weight:800}.admin-form{max-width:760px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}.login-page{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,var(--navy),var(--blue))}.login-card{width:min(460px,92vw)}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:.8rem;color:var(--gold);font-weight:900}.alert{padding:13px 15px;border-radius:14px;margin-bottom:16px;font-weight:800}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static}.stat-grid{grid-template-columns:1fr}.admin-main{padding:20px}table{display:block;overflow-x:auto}}