:root{--bg:#0f172a;--panel:#111827;--muted:#94a3b8;--text:#e5e7eb;--line:#243041;--brand:#22c55e;--accent:#3b82f6}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#0b1220;color:var(--text)}a{color:#cbd5e1;text-decoration:none}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:240px;background:#111827;border-right:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:10px}.sidebar .logo{font-size:22px;font-weight:700;margin-bottom:16px;color:#fff}.sidebar a{padding:12px 14px;border-radius:10px;background:transparent}.sidebar a:hover{background:#1f2937}
.main{margin-left:240px;padding:24px}.card{background:#111827;border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:18px}.stats-grid,.grid-2{display:grid;gap:18px}.stats-grid{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:1fr 1fr}.stat-card{background:#111827;border:1px solid var(--line);padding:20px;border-radius:16px}.stat-card span{display:block;color:var(--muted);margin-bottom:6px}.stat-card strong{font-size:32px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.btn{display:inline-block;background:var(--brand);color:#062b13;padding:10px 14px;border:none;border-radius:10px;font-weight:700;cursor:pointer}.btn.secondary{background:#334155;color:#fff}.btn.tiny{padding:6px 10px;font-size:12px}.alert{padding:12px 16px;border-radius:12px;margin-bottom:18px}.alert.success{background:#052e16;color:#bbf7d0}.alert.danger{background:#450a0a;color:#fecaca}.form-grid{display:grid;gap:14px}.form-grid label{display:grid;gap:6px;color:#cbd5e1}input,textarea,select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #334155;background:#0f172a;color:#fff}.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#334155;color:#fff;font-size:12px}.badge.ok{background:#14532d}.badge.warn{background:#78350f}.badge.info{background:#1d4ed8}.badge.purple{background:#581c87}.badge.danger{background:#7f1d1d}.guest-body{display:grid;place-items:center;min-height:100vh}.guest-box{width:min(420px,92vw)}.note-item{padding:12px 0;border-bottom:1px solid var(--line)}.note-meta{color:var(--muted);font-size:12px;margin-bottom:6px}
@media(max-width:980px){.sidebar{position:static;width:auto;height:auto}.main{margin-left:0}.stats-grid,.grid-2{grid-template-columns:1fr}}