@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:#F4F4F5;color:#0A0A0A;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}

:root{
  --black:#0A0A0A;--white:#fff;
  --g50:#FAFAFA;--g100:#F4F4F5;--g200:#E4E4E7;--g300:#D1D1D6;
  --g400:#A1A1AA;--g600:#52525B;--g800:#18181B;
  --sidebar:#111113;--sidebar-w:240px;
  --accent:#0A0A0A;
  --radius:10px;--radius-sm:7px;--tr:all .18s cubic-bezier(.4,0,.2,1);
}

/* LAYOUT */
.admin-layout{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;
  background:var(--sidebar);
  display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:100;
  overflow-y:auto;
}
.main-area{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{
  background:#fff;border-bottom:1px solid var(--g200);
  padding:0 28px;height:58px;
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:50;
}
.page-content{padding:28px;flex:1}

/* SIDEBAR */
.sb-brand{
  padding:20px 18px 16px;
  border-bottom:1px solid rgba(255,255,255,.06);
  display:flex;align-items:center;gap:10px;
}
.sb-logo{
  width:30px;height:30px;background:rgba(255,255,255,.08);
  border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sb-logo svg{width:14px;height:14px;fill:rgba(255,255,255,.7)}
.sb-name{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.sb-sub{font-size:.6rem;color:rgba(255,255,255,.25);margin-top:1px;letter-spacing:.06em}

.sb-section{padding:18px 12px 6px}
.sb-section-label{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.2);padding:0 8px;margin-bottom:6px}
.sb-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:7px;
  font-size:.8rem;font-weight:500;color:rgba(255,255,255,.38);
  transition:var(--tr);
}
.sb-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;flex-shrink:0}
.sb-link:hover{background:rgba(255,255,255,.06);color:rgba(255,255,255,.7)}
.sb-link.active{background:rgba(255,255,255,.1);color:#fff}
.sb-link.disabled{opacity:.3;pointer-events:none;cursor:default}
.sb-lock{margin-left:auto;font-size:.58rem;background:rgba(255,255,255,.06);border-radius:4px;padding:2px 6px;color:rgba(255,255,255,.25)}

.sb-divider{height:1px;background:rgba(255,255,255,.06);margin:8px 12px}
.sb-footer{margin-top:auto;padding:14px 12px;border-top:1px solid rgba(255,255,255,.06)}
.sb-logout{
  display:flex;align-items:center;gap:9px;
  width:100%;padding:9px 10px;border-radius:7px;
  font-size:.8rem;font-weight:500;color:rgba(255,255,255,.28);
  transition:var(--tr);
}
.sb-logout svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7}
.sb-logout:hover{background:rgba(255,0,0,.08);color:rgba(255,80,80,.8)}

/* TOPBAR */
.tb-title{font-size:.96rem;font-weight:700;color:var(--black)}
.tb-right{display:flex;align-items:center;gap:12px}
.tb-admin-badge{
  display:flex;align-items:center;gap:8px;
  padding:6px 12px;background:var(--g100);border-radius:var(--radius-sm);
  font-size:.76rem;font-weight:600;color:var(--g600);
}
.tb-admin-badge svg{width:14px;height:14px;stroke:var(--g400);fill:none;stroke-width:1.7}

/* CARDS */
.card{background:#fff;border:1px solid var(--g200);border-radius:var(--radius);overflow:hidden}
.card-head{padding:18px 22px;border-bottom:1px solid var(--g200);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-head h3{font-size:.9rem;font-weight:700;color:var(--black)}
.card-body{padding:22px}

/* STAT CARDS */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat-card{background:#fff;border:1px solid var(--g200);border-radius:var(--radius);padding:20px 22px}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--black);letter-spacing:-.04em;line-height:1}
.stat-label{font-size:.72rem;font-weight:500;color:var(--g400);margin-top:6px;text-transform:uppercase;letter-spacing:.08em}

/* TABLE */
.data-table{width:100%;border-collapse:collapse}
.data-table th{padding:10px 14px;text-align:left;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--g400);border-bottom:1px solid var(--g200);background:var(--g50);white-space:nowrap}
.data-table td{padding:13px 14px;font-size:.82rem;color:var(--black);border-bottom:1px solid var(--g200);vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:var(--g50)}
.data-table .td-img{width:48px;height:36px;border-radius:5px;object-fit:cover;background:var(--g100)}
.data-table .td-img-placeholder{width:48px;height:36px;border-radius:5px;background:var(--g200);display:flex;align-items:center;justify-content:center}

/* BADGES */
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:var(--radius-pill);font-size:.68rem;font-weight:600;letter-spacing:.04em}
.badge-green{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.badge-gray{background:var(--g100);color:var(--g600);border:1px solid var(--g200)}
.badge-yellow{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.badge-red{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;transition:var(--tr);cursor:pointer;white-space:nowrap}
.btn svg{width:14px;height:14px;flex-shrink:0}
.btn-primary{background:var(--black);color:#fff}.btn-primary:hover{background:var(--g800)}
.btn-secondary{background:#fff;color:var(--black);border:1.5px solid var(--g200)}.btn-secondary:hover{border-color:var(--black)}
.btn-danger{background:#fff;color:#dc2626;border:1.5px solid #fecaca}.btn-danger:hover{background:#fef2f2}
.btn-sm{padding:6px 12px;font-size:.72rem}
.btn-icon{padding:7px;border-radius:6px;background:#fff;border:1.5px solid var(--g200);color:var(--g600);transition:var(--tr)}
.btn-icon:hover{border-color:var(--black);color:var(--black)}
.btn-icon svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7}

/* FORM */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.74rem;font-weight:600;color:var(--black)}
.form-group input,.form-group select,.form-group textarea{
  padding:10px 13px;border:1.5px solid var(--g200);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.84rem;color:var(--black);background:#fff;
  outline:none;transition:border-color .18s,box-shadow .18s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--black);box-shadow:0 0 0 3px rgba(10,10,10,.06);
}
.form-group textarea{resize:vertical;min-height:90px}
.form-hint{font-size:.7rem;color:var(--g400);margin-top:2px}

/* MODAL */
.modal-overlay{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-height:90vh;overflow-y:auto;animation:mIn .2s cubic-bezier(.4,0,.2,1)}
@keyframes mIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{padding:22px 24px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}
.modal-head h3{font-size:1rem;font-weight:700;color:var(--black)}
.modal-close{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--g100);border-radius:50%;color:var(--g600);font-size:.85rem;transition:var(--tr)}
.modal-close:hover{background:var(--g200);color:var(--black)}
.modal-body{padding:20px 24px 28px}
.modal-footer{padding:0 24px 22px;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--g200);padding-top:18px;margin-top:8px}

/* ALERT */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:500;margin-bottom:18px;display:none}
.alert.show{display:block}
.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}

/* EMPTY */
.empty-state{text-align:center;padding:60px 20px;color:var(--g400)}
.empty-state svg{width:40px;height:40px;stroke:var(--g300);fill:none;margin:0 auto 12px}
.empty-state p{font-size:.84rem}

/* TOURS PLACEHOLDER */
.tours-placeholder{
  background:var(--g50);border:2px dashed var(--g200);
  border-radius:12px;padding:48px 32px;text-align:center;
}
.tours-placeholder svg{width:48px;height:48px;stroke:var(--g300);fill:none;margin:0 auto 16px}
.tours-placeholder h3{font-size:.96rem;font-weight:700;color:var(--g600);margin-bottom:8px}
.tours-placeholder p{font-size:.82rem;color:var(--g400)}

/* RESPONSIVE */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}
  .sidebar.open{transform:none}
  .main-area{margin-left:0}
  .stat-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .page-content{padding:16px}
  .topbar{padding:0 16px}
  .data-table{display:block;overflow-x:auto}
}