/* ============================================================
   TransNexus — Admin Dashboard CSS
   ============================================================ */

/* ── Layout ──────────────────────────────────────────────────── */
.admin-body { background: #060D1F; }

.admin-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 256px; flex-shrink: 0;
  background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
  transition: transform var(--t);
}
.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-header .nav-logo { font-size: 1.1rem; }
.sidebar-nav { flex: 1; padding: 14px 10px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.sidebar-section-label { font-size: 0.68rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.1em; padding: 10px 12px 6px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius);
  font-size: 0.88rem; color: var(--text2); font-weight: 500;
  transition: all var(--t); cursor: pointer; border: none; background: none; width: 100%; text-align: left;
}
.nav-item svg { flex-shrink: 0; }
.nav-item:hover { background: rgba(0,102,255,0.08); color: var(--text); }
.nav-item.active { background: var(--blue-dim); color: var(--blue); }
.sidebar-footer { padding: 12px 10px; border-top: 1px solid var(--border); }
.btn-logout-sidebar {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 14px; border-radius: var(--radius);
  border: none; background: none; color: var(--text3); font-size: 0.88rem; cursor: pointer;
  transition: all var(--t);
}
.btn-logout-sidebar:hover { background: rgba(239,68,68,0.1); color: var(--red); }

/* Main area */
.admin-main { flex: 1; margin-left: 256px; display: flex; flex-direction: column; }
.admin-topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(6,13,31,0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 64px; padding: 0 28px;
  display: flex; align-items: center; gap: 16px;
}
.topbar-hamburger { display: none; background: none; border: none; color: var(--text2); padding: 6px; border-radius: 8px; }
.topbar-title { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.admin-badge {
  background: var(--blue-dim); border: 1px solid rgba(0,102,255,0.3);
  color: var(--blue-lit); font-size: 0.72rem; font-weight: 700;
  padding: 4px 12px; border-radius: 100px;
}
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-dim); border: 2px solid rgba(0,102,255,0.3);
  color: var(--blue-lit); font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
}

/* Content area */
.admin-content { flex: 1; padding: 28px; overflow-y: auto; }
.admin-section { display: none; animation: fadeIn 0.3s ease; }
.admin-section.active { display: block; }

/* ── Stat cards ──────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px; display: flex; align-items: center; gap: 16px;
  transition: border-color var(--t), transform var(--t);
}
.stat-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.si-blue   { background: rgba(0,102,255,0.12); }
.si-green  { background: rgba(16,185,129,0.12); }
.si-amber  { background: rgba(245,158,11,0.12); }
.si-red    { background: rgba(239,68,68,0.12); }
.si-purple { background: rgba(139,92,246,0.12); }
.stat-val  { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-lbl  { font-size: 0.75rem; color: var(--text3); margin-top: 2px; }

/* ── Table ───────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--border); }
th { padding: 13px 16px; text-align: left; font-family: 'Syne', sans-serif; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); white-space: nowrap; }
td { padding: 13px 16px; font-size: 0.875rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.015); }
.trk-id { font-family: monospace; font-size: 0.82rem; color: var(--blue-lit); font-weight: 600; }
.table-actions { display: flex; gap: 6px; }
.btn-sm {
  background: var(--bg2); border: 1px solid var(--border2);
  color: var(--text2); border-radius: 8px; padding: 5px 12px;
  font-size: 0.75rem; font-weight: 600; transition: all var(--t);
  display: flex; align-items: center; gap: 4px;
}
.btn-sm:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm.danger:hover { border-color: var(--red); color: var(--red); }
.btn-sm.success:hover { border-color: var(--green); color: var(--green); }

/* Toolbar */
.toolbar { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.toolbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search-input { background: var(--bg2); border: 1px solid var(--border2); border-radius: var(--radius); padding: 8px 14px; color: var(--text); font-size: 0.85rem; outline: none; width: 220px; transition: border-color var(--t); }
.search-input:focus { border-color: var(--blue); }
.filter-select { background: var(--bg2); border: 1px solid var(--border2); border-radius: var(--radius); padding: 8px 12px; color: var(--text2); font-size: 0.82rem; outline: none; cursor: pointer; }

/* ── Form grid ───────────────────────────────────────────────── */
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px); z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius-lg); width: 100%; max-width: 680px;
  max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg);
  animation: fadeUp 0.3s ease;
}
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: var(--bg3); z-index: 1;
}
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text3); font-size: 1.6rem; line-height: 1; transition: color var(--t); }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Login page ──────────────────────────────────────────────── */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.login-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,102,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,102,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
}
.login-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,255,0.1) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none;
}
.login-box {
  position: relative; z-index: 2;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius-lg); padding: 48px 44px;
  width: 100%; max-width: 440px; box-shadow: var(--shadow-lg);
  animation: fadeUp 0.5s ease;
}
.login-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; font-family: 'Syne', sans-serif; font-size: 1.3rem; font-weight: 800; }
.login-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.login-sub   { font-size: 0.875rem; color: var(--text2); margin-bottom: 32px; }
.form-error  { color: var(--red); font-size: 0.82rem; margin-top: 8px; }
.form-success{ color: var(--green); font-size: 0.82rem; margin-top: 8px; }
.login-hint  { margin-top: 20px; padding: 12px 16px; background: var(--bg2); border-radius: var(--radius); font-size: 0.82rem; color: var(--text2); text-align: center; }
.login-hint code { background: var(--blue-dim); color: var(--blue-lit); padding: 1px 6px; border-radius: 4px; font-size: 0.8rem; }

/* ── View detail card ────────────────────────────────────────── */
.detail-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.detail-trk { font-family: monospace; font-size: 1.3rem; font-weight: 800; color: var(--blue-lit); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 14px; margin-bottom: 24px; }
.info-box { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.info-box .lbl { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); margin-bottom: 4px; }
.info-box .val { font-size: 0.88rem; font-weight: 600; color: var(--text); }

/* ── Notification toast ──────────────────────────────────────── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 500; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--radius);
  padding: 14px 20px; font-size: 0.875rem; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px; min-width: 280px;
  animation: fadeUp 0.3s ease;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--blue); }

/* ── Responsive admin ────────────────────────────────────────── */
@media(max-width:900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .topbar-hamburger { display: flex; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
}
@media(max-width:600px) {
  .admin-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .modal { margin: 10px; max-width: 100%; }
  .login-box { padding: 32px 24px; }
}