:root{
  --primary:#1d4e6b;
  --primary-dark:#123648;
  --accent:#e8a33d;
  --bg:#f4f6f8;
  --card:#ffffff;
  --text:#2b2f33;
  --muted:#6b7680;
  --border:#e1e5e9;
  --pendiente:#f0ad4e;
  --confirmada:#3d8bfd;
  --checkin:#2fa85c;
  --checkout:#8a8f98;
  --cancelada:#d9534f;
  --radius:10px;
  --shadow:0 2px 8px rgba(0,0,0,.08);
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Segoe UI',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{text-decoration:none;color:inherit;}

/* ---------- LOGIN ---------- */
.login-wrapper{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
}
.login-box{
  background:var(--card);
  padding:40px 36px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  width:340px;
}
.login-box h1{
  font-size:22px;
  margin-bottom:4px;
  color:var(--primary-dark);
}
.login-box p{color:var(--muted);margin-top:0;margin-bottom:24px;font-size:13px;}
.login-box label{font-size:13px;font-weight:600;display:block;margin-bottom:6px;}
.login-box input{
  width:100%;padding:10px 12px;margin-bottom:16px;
  border:1px solid var(--border);border-radius:6px;font-size:14px;
}
.login-box button{
  width:100%;padding:11px;background:var(--primary);color:#fff;
  border:none;border-radius:6px;font-size:15px;cursor:pointer;font-weight:600;
}
.login-box button:hover{background:var(--primary-dark);}
.error-msg{
  background:#fdecea;color:#a33;padding:10px 12px;border-radius:6px;
  font-size:13px;margin-bottom:16px;
}
.reserva-resultado{padding:12px 16px;border-radius:8px;font-size:13.5px;}
.reserva-resultado.success{background:#e5f5ea;color:#1f7a3f;border:1px solid #b8e0c0;}
.reserva-resultado.error{background:#fdecea;color:#b8362c;border:1px solid #f3c1bb;}

/* ---------- LAYOUT ---------- */
.app{display:flex;min-height:100vh;}
.sidebar{
  width:220px;background:var(--primary-dark);color:#fff;
  display:flex;flex-direction:column;flex-shrink:0;
}
.sidebar .brand{
  padding:22px 20px;font-size:18px;font-weight:700;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.sidebar nav{flex:1;padding:10px 0;}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;
  padding:12px 20px;color:#cfd9e0;font-size:14px;font-weight:500;
  border-left:3px solid transparent;
}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.sidebar nav a.active{
  background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--accent);
}
.sidebar .user-box{
  padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;
}
.sidebar .user-box a{color:var(--accent);font-weight:600;}

.main{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{
  background:var(--card);padding:16px 28px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
}
.topbar h2{margin:0;font-size:19px;color:var(--primary-dark);}
.content{padding:24px 28px;flex:1;}

/* ---------- CARDS / TABLES ---------- */
.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:20px;margin-bottom:20px;
}
.card h3{margin-top:0;font-size:16px;color:var(--primary-dark);}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px 20px;border-left:4px solid var(--primary);
}
.stat-card .num{font-size:26px;font-weight:700;color:var(--primary-dark);}
.stat-card .label{font-size:13px;color:var(--muted);}

table{width:100%;border-collapse:collapse;font-size:13.5px;}
table th, table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;}
table th{background:#f8fafb;color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;}
table tr:hover{background:#f8fafb;}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;justify-content:space-between;}
.toolbar .filters{display:flex;gap:10px;flex-wrap:wrap;}
input,select,textarea{
  padding:9px 10px;border:1px solid var(--border);border-radius:6px;font-size:13.5px;font-family:inherit;
}
label{font-size:12.5px;font-weight:600;color:var(--muted);display:block;margin-bottom:4px;}
.form-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px;}
.form-row .field{flex:1;min-width:160px;}

.btn{
  display:inline-block;padding:9px 16px;border-radius:6px;border:none;
  font-size:13.5px;font-weight:600;cursor:pointer;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text);}
.btn-danger{background:var(--cancelada);color:#fff;}
.btn-sm{padding:5px 10px;font-size:12px;}

.badge{padding:4px 9px;border-radius:20px;font-size:11.5px;font-weight:700;color:#fff;display:inline-block;}
.badge-pendiente{background:var(--pendiente);}
.badge-confirmada{background:var(--confirmada);}
.badge-checkin{background:var(--checkin);}
.badge-checkout{background:var(--checkout);}
.badge-cancelada{background:var(--cancelada);}

/* ---------- MODAL ---------- */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);
  align-items:flex-start;justify-content:center;z-index:1000;overflow-y:auto;padding:40px 16px;
}
.modal-overlay.open{display:flex;}
.modal{
  background:#fff;border-radius:var(--radius);width:100%;max-width:760px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.modal-header{
  padding:18px 22px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
}
.modal-header h3{margin:0;font-size:17px;color:var(--primary-dark);}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);}
.modal-body{padding:20px 22px;}
.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}
.modal.modal-lg{max-width:920px;}

fieldset{border:1px solid var(--border);border-radius:8px;margin-bottom:16px;padding:14px 16px;}
fieldset legend{font-size:13px;font-weight:700;color:var(--primary-dark);padding:0 6px;}

.rooms-check-list{display:flex;flex-wrap:wrap;gap:10px;max-height:160px;overflow-y:auto;border:1px solid var(--border);border-radius:6px;padding:10px;}
.room-check-item{border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:13px;display:flex;align-items:center;gap:6px;}
.room-check-item.disabled{opacity:.4;}
.room-check-item input:disabled{cursor:not-allowed;}

.companion-row, .charge-row, .payment-row{
  display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap;
}
.companion-row > *, .charge-row > *{flex:1;min-width:110px;}
.remove-row{flex:0 0 auto !important;min-width:auto !important;background:var(--cancelada);color:#fff;border:none;border-radius:6px;padding:8px 10px;cursor:pointer;}

.totals-box{background:#f8fafb;border-radius:8px;padding:14px 16px;margin-top:10px;}
.totals-box .line{display:flex;justify-content:space-between;padding:4px 0;font-size:14px;}
.totals-box .line.total{font-weight:700;font-size:16px;color:var(--primary-dark);border-top:1px solid var(--border);margin-top:6px;padding-top:8px;}
.totals-box .line.saldo{font-weight:700;color:var(--cancelada);}

/* ---------- CALENDARIO ---------- */
.cal-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.cal-legend{display:flex;gap:14px;font-size:12.5px;align-items:center;flex-wrap:wrap;}
.cal-legend span{display:flex;align-items:center;gap:5px;}
.legend-dot{width:11px;height:11px;border-radius:3px;display:inline-block;}

.timeline-wrapper{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);}
.timeline{border-collapse:collapse;min-width:100%;}
.timeline th, .timeline td{border:1px solid var(--border);padding:0;text-align:center;}
.timeline thead th{
  background:#f8fafb;font-size:11.5px;color:var(--muted);padding:8px 2px;position:sticky;top:0;z-index:2;min-width:34px;
}
.timeline thead th.weekend{background:#eef2f5;}
.timeline .room-col{
  position:sticky;left:0;background:#fff;z-index:3;text-align:left;padding:8px 10px;font-weight:600;font-size:13px;min-width:90px;
  border-right:2px solid var(--border);
}
.timeline thead th.room-col{z-index:4;background:#f8fafb;}
.timeline tbody td{height:38px;position:relative;min-width:34px;}
.timeline tbody td.weekend{background:#fafbfc;}
.cal-bar{
  position:absolute;top:4px;bottom:4px;left:2px;right:-2px;border-radius:4px;
  font-size:10.5px;color:#fff;display:flex;align-items:center;justify-content:center;
  overflow:hidden;white-space:nowrap;cursor:pointer;z-index:1;
}
.bar-pendiente{background:var(--pendiente);}
.bar-confirmada{background:var(--confirmada);}
.bar-checkin{background:var(--checkin);}
.bar-checkout{background:var(--checkout);}

.empty-state{text-align:center;color:var(--muted);padding:40px;font-size:14px;}
.text-muted{color:var(--muted);font-size:12.5px;}
.hidden{display:none !important;}
.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-weight:600;font-size:13px;padding:0;}