/* ─── Login Page ─── */
.login-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #f0f2f5;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-overlay.hidden { display: none; }
.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px 32px;
  width: 340px;
  max-width: 90vw;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  text-align: center;
}
.login-card h2 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--primary);
}
.login-card input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  box-sizing: border-box;
  text-align: center;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary-light: #dbeafe;
  --sidebar: #1a2332; --sidebar-hover: #243044; --sidebar-active: #2d4a6e;
  --primary: #2563eb; --primary-hover: #1d4ed8; --danger: #dc2626; --success: #16a34a; --warning: #f59e0b;
  --bg: #f1f5f9; --card: #fff; --border: #e2e8f0; --text: #1e293b; --text-light: #64748b;
  --radius: 6px; --shadow: 0 1px 3px rgba(0,0,0,0.1);
}
html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 14px; color: var(--text); background: var(--bg); }

/* ─── Layout ─── */
.app { display: flex; height: 100vh; overflow: hidden; }
.sidebar { width: 200px; background: rgba(26,35,50,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); color: #fff; display: flex; flex-direction: column; flex-shrink: 0; border-right: 1px solid rgba(255,255,255,0.06); }
.sidebar-header { padding: 18px 16px; font-size: 15px; font-weight: 600; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.03); }
.sidebar-nav { flex: 1; padding: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 0; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 14px 14px; cursor: pointer; color: #fff; font-size: 15px; font-weight: 500; border-radius: 0; border-left: none; transition: transform 0.18s cubic-bezier(0.175,0.885,0.32,1.275), box-shadow 0.18s ease, filter 0.18s ease; box-shadow: 0 1px 2px rgba(0,0,0,0.1); position: relative; z-index: 1; }
.nav-item:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 22px rgba(0,0,0,0.35); filter: brightness(1.1); z-index: 10; }
.nav-item.active { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,0.3); filter: brightness(1.15); outline: 2px solid rgba(255,255,255,0.5); outline-offset: -1px; z-index: 5; }
.nav-item:nth-child(1)  { background: #2563eb; }
.nav-item:nth-child(2)  { background: #7c3aed; }
.nav-item:nth-child(3)  { background: #db2777; }
.nav-item:nth-child(4)  { background: #ea580c; }
.nav-item:nth-child(5)  { background: #16a34a; }
.nav-item:nth-child(6)  { background: #0891b2; }
.nav-item:nth-child(7)  { background: #4f46e5; }
.nav-item:nth-child(8)  { background: #ca8a04; }
.nav-item:nth-child(9)  { background: #be185d; }
.nav-item:nth-child(10) { background: #059669; }


.nav-item .icon { width: 20px; text-align: center; font-size: 17px; }
.main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.topbar { padding: 6px 24px; background: transparent; border-bottom: none; display: flex; align-items: center; justify-content: flex-end; height: 0; overflow: visible; }
.topbar h2 { display: none; }
.content { flex: 1; padding: 20px 24px; overflow-y: auto; }

/* shopinfo styles in app.js */
/* shopinfo styles in app.js */
/* ─── Page sections ─── */
.page { display: none; }
.page.active { display: block; animation: fadeSlideIn 0.25s ease; }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.page.active { display: block; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0; padding: 12px 16px; background: linear-gradient(135deg, #1e293b, #334155); border-radius: 10px 10px 0 0; color: #fff; position: relative; }
.page-header h3 { font-size: 16px; font-weight: 600; color: #fff; margin: 0; }
.page-header .btn { border: 1px solid rgba(255,255,255,0.2); color: #fff; background: rgba(255,255,255,0.08); }
.page-header .btn:hover { background: rgba(255,255,255,0.16); }
.page-header .btn-primary { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); }
.page-header .btn-primary:hover { background: rgba(255,255,255,0.25); }

/* ─── Filters bar ─── */
.filters { display: flex; gap: 10px; align-items: center; margin-bottom: 0; padding: 12px 14px; background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.06); flex-wrap: wrap; border-bottom: 1px solid #e2e8f0; }
.filters input, .filters select { padding: 8px 12px; border: 1px solid #e2e8f0; border-radius: 6px; font-size: 13px; background: #fff; color: #334155; transition: border-color 0.15s; }
.filters input:focus, .filters select:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }

/* ─── Buttons ─── */
.btn { display: inline-flex; align-items: center; gap: 5px; padding: 7px 14px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; cursor: pointer; background: var(--card); color: var(--text); transition: all 0.15s; white-space: nowrap; }
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #15803d; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 5px 8px; font-size: 14px; }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; background: #fff; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.table-wrap-scroll { overflow-x: auto; }
.table-wrap table { width: 100%; border-collapse: separate; border-spacing: 0; }
.table-wrap table thead th,
.table-wrap table tr:first-child th {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  padding: 12px 14px;
  font-size: 11px;
  font-weight: 700;
  color: #475569;
  text-align: left;
  border-bottom: 2px solid #e2e8f0;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: static;
}
.table-wrap table thead th.num, .table-wrap table thead th.actions { text-align: right; }
.table-wrap table td {
  padding: 11px 14px;
  font-size: 13px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
  transition: background 0.12s;
}
.table-wrap table tbody tr { transition: box-shadow 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.22s ease; }
.table-wrap table tbody tr:hover { background: #fff3e0; box-shadow: 0 6px 20px rgba(0,0,0,0.12), inset 0 -3px 0 #fb8c00; }
.table-wrap table tbody tr:nth-child(even) { background: #fafbfc; }
.table-wrap table tbody tr:nth-child(even):hover { background: #fff3e0; box-shadow: 0 6px 20px rgba(0,0,0,0.12), inset 0 -3px 0 #fb8c00; }
.table-wrap table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.table-wrap table .actions { text-align: center; white-space: nowrap; }
.table-wrap table td.warn { color: #dc2626; font-weight: 600; }
.table-wrap table td.success { color: #16a34a; font-weight: 600; }
.table-wrap table .highlight-row { background: #eff6ff !important; animation: highlightPulse 1.5s ease; }
@keyframes highlightPulse { 0% { background: #dbeafe; } 100% { background: transparent; } }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: #f8fafc; font-weight: 600; color: var(--text-light); font-size: 12px; text-transform: none; white-space: nowrap; }
tr:hover { background: #f8fafc; }
td.actions { white-space: nowrap; text-align: right; position: relative; }
td.actions .btn { margin-left: 4px; }
.action-item:hover { background: var(--bg); }
.action-toggle { cursor: pointer; border: none; background: transparent; font-weight: bold; letter-spacing: 1px; }
.action-toggle:hover { background: var(--bg); border-radius: 4px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.warn { color: var(--danger); font-weight: 600; }
.ok { color: var(--success); }
.empty { color: #94a3b8; text-align: center; padding: 24px; font-size: 13px; }
.dash-panel .empty { padding: 20px; text-align: center; color: #94a3b8; font-size: 13px; }

/* ─── Cards for dashboard ─── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: #fff; padding: 20px 18px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border-left: 4px solid #ddd; transition: transform 0.15s, box-shadow 0.15s; position: relative; overflow: hidden; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.1); }
.stat-card:nth-child(1) { border-left-color: #2563eb; }
.stat-card:nth-child(2) { border-left-color: #7c3aed; }
.stat-card:nth-child(3) { border-left-color: #16a34a; }
.stat-card:nth-child(4) { border-left-color: #ea580c; }
.stat-card:nth-child(5) { border-left-color: #dc2626; }
.stat-card .num { font-size: 32px; font-weight: 700; color: #1e293b; letter-spacing: -0.5px; }
.stat-card .label { font-size: 13px; color: #64748b; margin-top: 2px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card.warn .num { color: #dc2626; }
.stat-card::after { content: ''; position: absolute; top: -20px; right: -20px; width: 60px; height: 60px; border-radius: 50%; opacity: 0.06; }
.stat-card:nth-child(1)::after { background: #2563eb; }
.stat-card:nth-child(2)::after { background: #7c3aed; }
.stat-card:nth-child(3)::after { background: #16a34a; }
.stat-card:nth-child(4)::after { background: #ea580c; }
.stat-card:nth-child(5)::after { background: #dc2626; }



/* ─── Form elements ─── */
input[type="text"], input[type="date"], input[type="month"], input[type="number"], input[type="file"], select {
  padding: 8px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  color: #334155;
  transition: border-color 0.15s;
}
input:focus, select:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group label { display: block; font-size: 12px; font-weight: 500; color: #64748b; margin-bottom: 4px; }
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  background: #f1f5f9;
  color: #475569;
  font-weight: 500;
  transition: all 0.18s cubic-bezier(0.175,0.885,0.32,1.275);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover { background: #e2e8f0; color: #1e293b; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.btn:active { transform: translateY(0); box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.btn:active::after { opacity: 1; transition: opacity 0s; }
.btn-primary { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; box-shadow: 0 2px 8px rgba(37,99,235,0.25); }
.btn-primary:hover { background: linear-gradient(135deg, #1d4ed8, #1e40af); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 5px; }
.btn-danger { background: linear-gradient(135deg, #dc2626, #b91c1c); color: #fff; box-shadow: 0 2px 8px rgba(220,38,38,0.25); }
.btn-danger:hover { background: linear-gradient(135deg, #b91c1c, #991b1b); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(220,38,38,0.35); }
.btn-success { background: linear-gradient(135deg, #16a34a, #15803d); color: #fff; box-shadow: 0 2px 8px rgba(22,163,74,0.25); }
.btn-success:hover { background: linear-gradient(135deg, #15803d, #166534); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(22,163,74,0.35); }
.btn-info { background: linear-gradient(135deg, #0891b2, #0e7490); color: #fff; box-shadow: 0 2px 8px rgba(8,145,178,0.25); }
.btn-info:hover { background: linear-gradient(135deg, #0e7490, #155e75); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(8,145,178,0.35); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.2px; }
.badge.green, .badge-success { background: #dcfce7; color: #166534; }
.badge.blue { background: #dbeafe; color: #1e40af; }
.badge.orange { background: #fff7ed; color: #9a3412; }
.badge-warn { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-purple { background: #ede9fe; color: #5b21b6; }

/* ─── Dashboard panels ─── */
.dash-panel {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}
.dash-panel-header {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dash-panel-header.purple { background: linear-gradient(135deg, #7c3aed, #6d28d9); }
.dash-panel-header.green { background: linear-gradient(135deg, #16a34a, #15803d); }
.dash-panel-header.orange { background: linear-gradient(135deg, #ea580c, #dc2626); }
.dash-panel-body { padding: 12px; }
.dash-panel table { width: 100%; border-collapse: collapse; }
.dash-panel table th { background: #f8fafc; padding: 8px 10px; font-size: 12px; font-weight: 600; color: #64748b; text-align: left; border-bottom: 1px solid #e2e8f0; }
.dash-panel table th.num { text-align: right; }
.dash-panel table td { padding: 8px 10px; font-size: 13px; border-bottom: 1px solid #f1f5f9; }
.dash-panel table td.num { text-align: right; font-weight: 500; }
.dash-panel table td.num.warn { color: #dc2626; font-weight: 600; }
.dash-panel .empty { padding: 20px; text-align: center; color: #94a3b8; font-size: 13px; }

/* Trend chart area */
.trend-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 16px;
  margin-bottom: 16px;
}
.trend-card-header { position: static;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.trend-card-header h4 { font-size: 14px; margin: 0; color: #1e293b; }
.trend-card-header select,
.trend-card-header input {
  padding: 6px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 12px;
  background: #fff;
  color: #475569;
}
.trend-card-header .summary-result {
  margin-left: auto;
  font-size: 13px;
  color: #475569;
  font-weight: 500;
}
.trend-card-header .summary-result strong { color: #1e293b; }


/* ─── Content card ─── */
.content-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 16px;
  margin-bottom: 16px;
}
.content-card h4 { font-size: 14px; font-weight: 600; margin: 0 0 12px 0; color: #1e293b; }


/* ─── Global table polish ─── */
table { border-collapse: separate; border-spacing: 0; }
table th { font-size: 12px; font-weight: 600; color: #64748b; text-align: left; }
table td { font-size: 13px; color: #334155; }


/* ─── Table enhancements ─── */
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: #1e293b; }
th.sortable::after { content: ' ⇅'; opacity: 0.3; font-size: 10px; }

/* ─── Modal ─── */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15,23,42,0.5); backdrop-filter: blur(4px); z-index: 1000; justify-content: center; align-items: center; }
.modal-overlay.show { display: flex; animation: fadeIn 0.2s ease; }
.modal { background: #fff; border-radius: 12px; width: 90%; max-width: 900px; max-height: 85vh; overflow-y: auto; box-shadow: 0 25px 80px rgba(0,0,0,0.25); animation: modalSlideIn 0.25s cubic-bezier(0.175,0.885,0.32,1.275); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalSlideIn { from { opacity: 0; transform: translateY(20px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-header { padding: 16px 24px; background: linear-gradient(135deg, #1e293b, #334155); color: #fff; display: flex; justify-content: space-between; align-items: center; border-radius: 12px 12px 0 0; }
.modal-header h3 { font-size: 16px; font-weight: 600; color: #fff; }
.modal-close { background: rgba(255,255,255,0.1); border: none; font-size: 18px; cursor: pointer; padding: 6px 10px; color: #fff; border-radius: 6px; transition: background 0.15s; }
.modal-close:hover { background: rgba(255,255,255,0.2); color: #fff; }
.modal-body { padding: 24px; }
.modal-footer { padding: 14px 24px; border-top: 1px solid #e2e8f0; display: flex; justify-content: flex-end; gap: 8px; background: #f8fafc; border-radius: 0 0 12px 12px; }

/* ─── Forms ─── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 5px; color: #475569; text-transform: uppercase; letter-spacing: 0.3px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 9px 12px; border: 1px solid #e2e8f0; border-radius: 6px; font-size: 13px; font-family: inherit; background: #fff; color: #334155; transition: all 0.15s; box-sizing: border-box; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.08); background: #fefefe; }
.form-group textarea { resize: vertical; min-height: 60px; }
.form-group input[type="checkbox"] { width: auto; margin-right: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* ─── Toast ─── */
.toast-container { position: fixed; top: 16px; right: 16px; z-index: 2000; }
.toast { padding: 10px 16px; border-radius: var(--radius); margin-bottom: 8px; color: #fff; font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); animation: slideIn 0.25s ease; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ─── Images in products ─── */
.image-grid { display: flex; flex-wrap: wrap; gap: 12px; margin: 10px 0; }
.image-card { width: 140px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.image-card img { width: 100%; height: 120px; object-fit: cover; display: block; cursor: pointer; }
.image-card .img-info { padding: 6px 8px; font-size: 11px; color: var(--text-light); }
.image-card .img-actions { padding: 4px 8px 8px; display: flex; gap: 4px; }
.img-type-badge { display: inline-block; padding: 2px 6px; border-radius: 3px; font-size: 11px; font-weight: 500; }
.img-type-customer { background: #dbeafe; color: #1d4ed8; }
.img-type-product { background: #dcfce7; color: #15803d; }

/* ─── Lightbox ─── */
.lightbox { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.85); z-index: 3000; justify-content: center; align-items: center; cursor: zoom-out; }
.lightbox.show { display: flex; }
.lightbox img { max-width: 90%; max-height: 90%; object-fit: contain; border-radius: 4px; }

/* ─── Misc ─── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 500; }
.badge-warn { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-success { background: #dcfce7; color: #166534; }
.tab-group { display: flex; gap: 4px; margin-bottom: 16px; padding: 4px; background: #f1f5f9; border-radius: 8px; }
.tab-item { padding: 9px 20px; cursor: pointer; font-size: 13px; font-weight: 500; color: #64748b; border-radius: 6px; transition: all 0.2s cubic-bezier(0.175,0.885,0.32,1.275); position: relative; }
.tab-item:hover { color: #334155; background: #e2e8f0; }
.tab-item.active { color: #fff; background: linear-gradient(135deg, #2563eb, #1d4ed8); box-shadow: 0 2px 8px rgba(37,99,235,0.3); transform: scale(1.03); }
.tab-item .count { display: inline-block; background: rgba(255,255,255,0.2); padding: 1px 7px; border-radius: 10px; font-size: 11px; margin-left: 4px; }
.tab-item.active .count { background: rgba(255,255,255,0.25); }

/* ─── Print / export preview ─── */
.status-msg { padding: 8px 12px; border-radius: var(--radius); margin: 8px 0; font-size: 13px; }
.status-msg.success { background: #dcfce7; color: #166534; }
.status-msg.error { background: #fee2e2; color: #991b1b; }
.status-msg.info { background: #dbeafe; color: #1e40af; }

@media (max-width: 768px) {
  .sidebar { width: 56px; }
  .sidebar-header span, .nav-item span { display: none; }
  .nav-item { justify-content: center; padding: 12px; border-radius: 8px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .content { padding: 12px; }
}

/* ─── Searchable Select ─── */
.searchable-select { position: relative; width: 100%; }
.ss-trigger { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); cursor: pointer; font-size: 13px; min-height: 33px; user-select: none; }
.ss-trigger:hover { border-color: var(--primary); }
.ss-trigger.open { border-color: var(--primary); }
.ss-trigger-text { color: var(--text-light); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ss-trigger-text.selected { color: var(--text); }
.ss-arrow { font-size: 10px; color: var(--text-light); margin-left: 6px; }
.ss-dropdown { display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 200; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(0,0,0,0.15); margin-top: 4px; overflow: hidden; }
.ss-dropdown.open { display: block; animation: ddSlideIn 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275); transform-origin: top center; }
.ss-search-wrap { padding: 6px; border-bottom: 1px solid var(--border); }
.ss-search-wrap input { width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px; font-size: 13px; outline: none; }
.ss-search-wrap input:focus { border-color: var(--primary); }
.ss-list-wrap { max-height: 200px; overflow-y: auto; }



.ss-item-name { font-weight: 500; }
.ss-item-model { font-size: 12px; color: var(--text-light); }
.ss-no-result { padding: 16px 10px; text-align: center; color: var(--text-light); font-size: 13px; }

/* ─── Purchase status badges ─── */
.status-pending { background: #fef3c7; color: #92400e; }
.status-completed { background: #dcfce7; color: #166534; }


/* ─── Table header alignment ─── */
th.num { text-align: right; }
th.actions { text-align: right; white-space: nowrap; }


/* ─── 备份恢复 ─── */
.badge.green { background: #d4edda; color: #155724; }
.badge.blue { background: #d1ecf1; color: #0c5460; }

.badge.orange { background: #fff3cd; color: #856404; }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }


/* ═══ Mobile Responsive ═══ */
@media (max-width: 768px) {
  /* Hamburger button */
  .mobile-toggle {
    display: block !important;
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 2000;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    font-size: 18px;
    cursor: pointer;
    line-height: 36px;
    text-align: center;
    padding: 0;
  }
  
  /* Sidebar overlay on mobile */
  .sidebar {
    position: fixed;
    left: -240px;
    top: 0;
    bottom: 0;
    width: 240px;
    z-index: 2500;
    transition: left 0.25s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,0.15);
  }
  .sidebar.open { left: 0; }
  
  /* Overlay behind sidebar */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
    z-index: 2400;
  }
  .sidebar-overlay.show { display: block; }
  
  /* Restore nav item text */
  .sidebar-header span, .nav-item span { display: inline !important; }
  .nav-item { justify-content: flex-start; padding: 14px 14px; border-radius: 8px; }
  .sidebar-header { padding: 16px; font-size: 15px; }
  
  /* Main content */
  .main { margin-left: 0 !important; width: 100%; }
  .content { padding: 8px; }
  .page-header { flex-direction: column; gap: 8px; align-items: flex-start; padding: 10px 12px; }
  .page-header h3 { font-size: 15px; }
  
  /* Stats cards */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 14px 12px; }
  .stat-card .num { font-size: 22px; }
  .stat-card .label { font-size: 11px; }
  
  /* Tables */
  .table-wrap { font-size: 11px; border-radius: 8px; }
  .table-wrap table { min-width: 600px; }
  .table-wrap th, .table-wrap td { padding: 6px 8px; }
  
  /* Dashboard grid becomes single column */  #dashboardAnalysis { margin-bottom: 16px; }
  .page#page-dashboard > div[style*="display:grid"] {
    grid-template-columns: 1fr !important;
  }
  
  /* Modal */
  .modal { width: 95vw; max-width: 95vw; margin: 10px; max-height: 90vh; }
  .modal-body { max-height: 60vh; }
  .modal-title { font-size: 14px; }
  
  /* Forms */
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  input, select, textarea { font-size: 16px !important; /* Prevent iOS zoom */ }
  
  /* Filters */
  .filters { flex-wrap: wrap; gap: 6px; padding: 10px; }
  .filters input, .filters select { width: 100%; }
  
  /* Trend chart */
  #trendChart { height: 180px; }
  
  /* Buttons row */
  .page-header > div { flex-wrap: wrap; gap: 4px; }
}

/* Fan-out action buttons */
.action-fan { pointer-events: none; }
.action-fan .fan-btn { transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.action-fan .fan-btn:hover { transform: scale(1.15) !important; filter: brightness(1.15); }
.action-toggle { position: relative; z-index: 501; }
/* ===== 美化复选框 ===== */
input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid #cbd5e1;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  vertical-align: middle;
  flex-shrink: 0;
}
input[type="checkbox"]:hover {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
input[type="checkbox"]:checked {
  background: #2563eb;
  border-color: #2563eb;
  animation: cbPop 0.25s cubic-bezier(0.175,0.885,0.32,1.275);
}
input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
@keyframes cbPop {
  0%   { transform: scale(0.85); }
  50%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}



/* ===== 下拉菜单选项 - 钢琴键动效 ===== */

/* 原生 select 整体增强 */
select {
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
select:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37,99,235,0.18);
}
select:focus {
  transform: translateY(-1px);
}

/* 搜索下拉组件选项 - 钢琴键效果 */
.ss-dropdown {
  animation: ddSlideIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-origin: top center;
}
@keyframes ddSlideIn { 0% { opacity: 0; transform: scaleY(0.9) translateY(-8px); } 60% { transform: scaleY(1.02) translateY(1px); } 100% { opacity: 1; transform: scaleY(1) translateY(0); } }

.ss-item { padding: 9px 12px; cursor: pointer; font-size: 13px; display: flex; justify-content: space-between; align-items: center; transition: all 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275); position: relative; z-index: 1; margin: 2px 4px; border-radius: 6px; border-bottom: none !important; }
.ss-item:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 8px 24px rgba(0,0,0,0.18); z-index: 10; font-weight: 600; }
.ss-item:nth-child(5n+1):hover { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important; color: #fff; }
.ss-item:nth-child(5n+2):hover { background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%) !important; color: #fff; }
.ss-item:nth-child(5n+3):hover { background: linear-gradient(135deg, #db2777 0%, #be185d 100%) !important; color: #fff; }
.ss-item:nth-child(5n+4):hover { background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%) !important; color: #fff; }
.ss-item:nth-child(5n+5):hover { background: linear-gradient(135deg, #16a34a 0%, #15803d 100%) !important; color: #fff; }
.ss-item.active {
  background: #dbeafe !important;
  font-weight: 600;
}

/* 原生 select option 增强（Chrome/Edge 支持较好） */
select option {
  padding: 10px 14px;
  font-size: 13px;
  transition: all 0.15s;
}
select option:hover {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
}

/* 筛选栏 select 整体浮起动效 */
.filters select {
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.filters select:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}

/* ===== 美化勾选框（结算/开票等状态切换按钮） ===== */
.toggle-btn {
  padding: 4px 14px;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.175,0.885,0.32,1.275);
  background: #fff;
  color: #64748b;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}
.toggle-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.toggle-btn:active {
  transform: scale(0.95);
}
.toggle-btn.on {
  background: #16a34a;
  color: #fff;
  border-color: #16a34a;
  animation: toggleOn 0.35s cubic-bezier(0.175,0.885,0.32,1.275);
}
.toggle-btn.off {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
  animation: toggleOn 0.35s cubic-bezier(0.175,0.885,0.32,1.275);
}
.toggle-btn.warn {
  background: #f59e0b;
  color: #fff;
  border-color: #f59e0b;
}
@keyframes toggleOn {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* select 打开时的动画 */
@keyframes selectOpen {
  0%   { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ===== 模态窗口中的复选框对齐 ===== */
.modal input[type="checkbox"] {
  margin-right: 8px;
}

/* ===== 表格中的复选框居中 ===== */
td input[type="checkbox"] {
  margin: 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
}