/* ═══════════════════════════════════════════════════════════════
   Shop Bot Admin — Design System (hiện đại - sáng)
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Brand */
  --primary: #1a6fd4;
  --primary-600: #145ab0;
  --primary-50: #e9f2fd;

  /* Semantic */
  --success: #059669;  --success-bg: #d1fae5;
  --danger:  #dc2626;  --danger-bg:  #fee2e2;
  --warning: #d97706;  --warning-bg: #fef3c7;
  --info:    #0891b2;  --info-bg:    #cffafe;
  --purple:  #7c3aed;  --purple-bg:  #ede9fe;

  /* Surface */
  --bg: #f4f6fb;
  --surface: #ffffff;
  --border: #e5eaf3;
  --text: #1e293b;
  --text-muted: #64748b;

  /* Sidebar (tối) */
  --sb-bg: #0d1b2e;
  --sb-hover: #1a3050;
  --sb-active: var(--primary);
  --sidebar-w: 236px;

  /* Shape */
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);
  --shadow: 0 1px 8px rgba(15, 23, 42, .08);
  --shadow-lg: 0 8px 28px rgba(15, 23, 42, .14);
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  min-height: 100vh;
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--text);
}

.text-money { font-variant-numeric: tabular-nums; }

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); height: 100vh;
  background: var(--sb-bg);
  position: fixed; top: 0; left: 0; z-index: 1045;
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  box-shadow: 2px 0 12px rgba(0, 0, 0, .18);
  transition: transform .25s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, .18) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .15); border-radius: 4px; }

.sb-brand {
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  text-decoration: none;
}
.sb-brand .brand-chip {
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  border-radius: 10px; padding: 7px 9px;
  box-shadow: 0 3px 8px rgba(26, 111, 212, .45);
}
.sb-brand h6 { color: #fff; font-weight: 700; margin: 0; font-size: .97rem; letter-spacing: .3px; }
.sb-brand small { color: rgba(255, 255, 255, .38); font-size: .7rem; }

.sb-section {
  color: rgba(255, 255, 255, .3);
  font-size: .64rem; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  padding: 14px 18px 4px;
}
.sidebar .nav-link {
  color: rgba(255, 255, 255, .64);
  padding: 8px 14px; margin: 1px 8px;
  border-radius: var(--radius-sm); font-size: .875rem;
  display: flex; align-items: center; gap: 10px;
  transition: background .15s, color .15s;
  text-decoration: none;
}
.sidebar .nav-link i { font-size: 1rem; width: 18px; text-align: center; flex-shrink: 0; }
.sidebar .nav-link:hover { background: var(--sb-hover); color: #fff; }
.sidebar .nav-link.active { background: var(--sb-active); color: #fff; box-shadow: 0 2px 8px rgba(26, 111, 212, .4); }
.sidebar .nav-link.danger { color: #f87171; }
.sidebar .nav-link.danger:hover { background: #3b1010; color: #fca5a5; }

/* Chấm đỏ báo đơn chờ xử lý trên sidebar */
.sidebar .nav-link .nav-dot {
  margin-left: auto;
  background: #ef4444; color: #fff;
  font-size: .68rem; font-weight: 700; line-height: 1;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 5px;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, .22);
  animation: navdot-pulse 2s infinite;
}
@keyframes navdot-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(239, 68, 68, .22); }
  50%      { box-shadow: 0 0 0 5px rgba(239, 68, 68, .10); }
}
.sb-footer {
  margin-top: auto;
  padding: 12px 18px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  color: rgba(255, 255, 255, .25); font-size: .7rem;
}

/* Backdrop khi mở sidebar trên mobile */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 1040;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(1px);
}

/* ── Main / Topbar ───────────────────────────────────────────── */
.main-wrap { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  background: var(--surface);
  padding: 10px 26px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1030;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar h5 { margin: 0; color: #0b1f3a; font-weight: 700; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.sys-status { display: flex; align-items: center; gap: 6px; font-size: .78rem; color: var(--text-muted); }
.sys-status .dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; display: inline-block; box-shadow: 0 0 0 3px rgba(34, 197, 94, .18); }
.page-body { padding: 22px 26px; flex: 1; }

.btn-hamburger {
  display: none;
  border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius-sm); padding: 5px 10px;
  font-size: 1.15rem; line-height: 1; color: var(--text);
}

/* ── Stat cards (SaaS sáng: card trắng + icon chip màu) ──────── */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s;
  color: var(--text);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-num { font-size: 1.5rem; font-weight: 700; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--text-muted); font-size: .78rem; margin-top: 3px; }
.stat-icon {
  font-size: 1.25rem;
  width: 46px; height: 46px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px;
}
.stat-card.c1 .stat-icon { background: var(--primary-50);  color: var(--primary); }
.stat-card.c2 .stat-icon { background: var(--info-bg);     color: var(--info); }
.stat-card.c3 .stat-icon { background: var(--success-bg);  color: var(--success); }
.stat-card.c4 .stat-icon { background: var(--purple-bg);   color: var(--purple); }
.stat-card.c5 .stat-icon { background: var(--warning-bg);  color: var(--warning); }
.stat-card.c6 .stat-icon { background: var(--danger-bg);   color: var(--danger); }

/* ── Card ────────────────────────────────────────────────────── */
.card { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card-header {
  background: var(--surface); font-weight: 600; font-size: .9rem;
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0 !important;
  padding: 13px 18px;
}
.card-footer { background: var(--surface); border-top: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius) !important; }

/* ── Table ───────────────────────────────────────────────────── */
.table th {
  background: #f0f4ff; color: #475569;
  font-size: .74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px;
  border: none; padding: 10px 12px; white-space: nowrap;
}
.table td { vertical-align: middle; font-size: .875rem; padding: 10px 12px; border-color: var(--border); }
.table-hover tbody tr:hover { background: #f8faff; }
.tr-link { cursor: pointer; }
.tr-link:hover td { background: #eff6ff !important; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn { border-radius: var(--radius-sm); }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--primary-600); border-color: var(--primary-600); }
.btn-icon { padding: 4px 9px; font-size: .8rem; line-height: 1.4; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge-soft-success, .badge-on   { background: var(--success-bg); color: #065f46; }
.badge-soft-danger,  .badge-off  { background: var(--danger-bg);  color: #991b1b; }
.badge-soft-warning, .badge-warn { background: var(--warning-bg); color: #92400e; }
.badge-soft-info                 { background: var(--info-bg);    color: #155e75; }
.badge-soft-secondary            { background: #e2e8f0;           color: #475569; }
.badge-soft-primary              { background: var(--primary-50); color: var(--primary-600); }
.badge-soft-success, .badge-soft-danger, .badge-soft-warning, .badge-soft-info,
.badge-soft-secondary, .badge-soft-primary, .badge-on, .badge-off, .badge-warn {
  border-radius: 6px; padding: 3px 9px; font-size: .75rem; font-weight: 600;
  white-space: nowrap; display: inline-block;
}

/* ── Search bar ──────────────────────────────────────────────── */
.search-bar { position: relative; }
.search-bar .bi-search { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: #9ca3af; }
.search-bar input { padding-left: 32px; border-radius: var(--radius-sm); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-label { font-weight: 600; font-size: .83rem; margin-bottom: 4px; }
.form-control, .form-select { border-color: #d7dfec; border-radius: var(--radius-sm); }
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 .2rem rgba(26, 111, 212, .12);
}
.form-text { font-size: .78rem; }

/* ── Avatar / detail / breadcrumb ────────────────────────────── */
.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary-50); color: var(--primary-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; flex-shrink: 0;
}
.breadcrumb { margin: 0; font-size: .82rem; }
.breadcrumb-item a { color: var(--primary); text-decoration: none; }
.breadcrumb-item.active { color: var(--text-muted); }
.detail-box { background: #f8fafc; border-radius: 10px; border: 1px solid var(--border); padding: 14px 16px; }
.detail-label { font-size: .72rem; color: #94a3b8; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; font-weight: 600; }
.detail-val { font-size: .92rem; font-weight: 500; color: var(--text); }

/* ── Pagination ──────────────────────────────────────────────── */
.pagination { margin: 0; }
.pagination .page-link {
  color: var(--text); border-color: var(--border);
  font-size: .85rem; padding: 5px 11px;
}
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-item.disabled .page-link { color: #b6c2d4; }
.page-meta { font-size: .8rem; color: var(--text-muted); }

/* ── Empty state ─────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 44px 16px; color: var(--text-muted); }
.empty-state i { font-size: 2.4rem; opacity: .3; display: block; margin-bottom: 10px; }
.empty-state .es-title { font-weight: 600; color: #475569; font-size: .95rem; }
.empty-state .es-hint { font-size: .82rem; margin-top: 3px; }

/* ── Toasts ──────────────────────────────────────────────────── */
.toast-container { z-index: 1080; }
.toast { border: none; border-radius: 10px; box-shadow: var(--shadow-lg); font-size: .9rem; }

/* ── Login ───────────────────────────────────────────────────── */
body.login-page {
  background: radial-gradient(1100px 500px at 15% -10%, #1a3963 0%, transparent 60%),
              radial-gradient(900px 500px at 110% 110%, #12294a 0%, transparent 55%),
              var(--sb-bg);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 34px 30px 28px;
}
.login-logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.5rem;
  box-shadow: 0 6px 16px rgba(26, 111, 212, .45);
}

/* ── Charts ──────────────────────────────────────────────────── */
.chart-wrap { position: relative; height: 290px; }
.chart-wrap-sm { position: relative; height: 250px; }

/* ── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .sidebar-backdrop.show { display: block; }
  .main-wrap { margin-left: 0; }
  .btn-hamburger { display: inline-flex; }
  .topbar { padding: 10px 14px; }
  .page-body { padding: 16px 14px; }
}