*{box-sizing:border-box}
:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --panel-2:#f8fafc;
  --line:#e2e8f0;
  --text:#0f172a;
  --muted:#64748b;
  --primary:#2563eb;
  --primary-2:#dbeafe;
  --danger:#ef4444;
  --success:#16a34a;
  --warning:#ea580c;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius:18px;
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}
.hidden{display:none!important}
.loading-screen,.login-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f8fbff 0%,#f5f7fb 100%);z-index:50}
.loading-screen{font-weight:700}
.login-card{
  width:min(420px,92vw);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border:1px solid rgba(226,232,240,.9);box-shadow:var(--shadow);border-radius:24px;padding:28px
}
.brand-pill{display:inline-flex;padding:8px 12px;border-radius:999px;background:var(--primary-2);color:var(--primary);font-size:12px;font-weight:700;margin-bottom:10px}
.login-card h1{margin:0 0 8px;font-size:34px}
.login-card p{margin:0 0 18px;color:var(--muted)}
.login-card label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600}
.login-card input{width:100%;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;outline:none}
.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.login-error{margin-top:12px;color:#b91c1c;font-size:13px;min-height:18px}
.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.sidebar{
  background:#0f172a;color:#fff;padding:22px 18px;display:flex;flex-direction:column;gap:20px;
  position:sticky;top:0;height:100vh
}
.sidebar-top{display:flex;align-items:center;gap:14px;padding:8px}
.app-logo{
  width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,#60a5fa,#2563eb);
  display:grid;place-items:center;font-weight:800;box-shadow:0 12px 26px rgba(37,99,235,.35)
}
.sidebar-title{font-weight:800;font-size:18px}
.sidebar-subtitle{font-size:12px;opacity:.7}
.sidebar-nav{display:flex;flex-direction:column;gap:8px}
.nav-btn{
  text-align:left;border:none;background:transparent;color:#cbd5e1;padding:14px 16px;border-radius:14px;cursor:pointer;
  font-weight:700;transition:.2s
}
.nav-btn:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-btn.active{background:#fff;color:#0f172a}
.sidebar-footer{margin-top:auto;padding:8px}
.user-email{font-size:13px;color:#cbd5e1;margin-bottom:10px;word-break:break-all}
.main-shell{display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;justify-content:space-between;align-items:center;padding:22px 28px 0 28px
}
.topbar h2{margin:0;font-size:30px}
.topbar p{margin:6px 0 0;color:var(--muted)}
.page-content{padding:22px 28px 28px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.section-card{padding:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.kpi-card{padding:18px}
.kpi-label{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:8px}
.kpi-value{font-size:30px;font-weight:800}
.kpi-sub{margin-top:8px;color:var(--muted);font-size:12px}
.list{display:flex;flex-direction:column;gap:10px}
.list-item{
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:12px 14px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px
}
.list-item-title{font-weight:700;font-size:14px}
.list-item-sub{font-size:12px;color:var(--muted);margin-top:4px}
.list-item-right{font-size:13px;font-weight:700}
.btn{
  border:none;border-radius:14px;padding:12px 16px;cursor:pointer;font-weight:700;transition:.2s
}
.btn:hover{transform:translateY(-1px)}
.btn-full{width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{background:#e2e8f0;color:#0f172a}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:#dcfce7;color:#166534}
.btn-ghost{background:#fff;color:#0f172a;border:1px solid var(--line)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:700}
.form-group input,.form-group select{
  width:100%;padding:13px;border:1px solid var(--line);border-radius:14px;background:#fff;outline:none
}
.form-group input:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.full-row{grid-column:1 / -1}
.section-title{margin:0 0 6px;font-size:20px}
.section-desc{margin:0;color:var(--muted);font-size:13px}
.stack{display:flex;flex-direction:column;gap:16px}
.item-list{display:flex;flex-direction:column;gap:8px;max-height:280px;overflow:auto}
.item-chip{padding:12px 14px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px}
.tour-card,.payment-card{padding:18px}
.card-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap}
.card-title{font-size:20px;font-weight:800;margin:0}
.card-sub{font-size:13px;color:var(--muted);margin-top:6px}
.badge{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}
.badge-wait{background:#f1f5f9;color:#334155}
.badge-opt{background:#fff7ed;color:#c2410c}
.badge-confirm{background:#ecfdf5;color:#15803d}
.badge-cancel{background:#fef2f2;color:#b91c1c}
.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}
.info-box{padding:12px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line)}
.info-label{font-size:11px;color:var(--muted);margin-bottom:4px}
.info-value{font-size:14px;font-weight:700}
.meta-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.detail-box{margin-top:14px;padding:14px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line)}
.detail-line{padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.detail-line:last-child{border-bottom:none}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;min-width:760px}
.table th,.table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.table th{background:#f8fafc}
.table tfoot td{font-weight:800;background:#eff6ff}
.help-note{font-size:13px;color:var(--muted)}
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;transform:translateX(-100%);transition:.24s ease;z-index:60}
  .app-shell.sidebar-open .sidebar{transform:translateX(0)}
  .topbar{padding:18px 18px 0}
  .page-content{padding:18px}
  .grid-2,.settings-grid,.payment-form-grid,.dashboard-bottom-grid,.dashboard-mini-grid,.report-filter-grid,.form-grid{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
}