/* ================================================================
   数码实时出库入库系统 - 科技感深色主题
   ================================================================ */

:root {
  --bg-deep: #0a0e1a;
  --bg-panel: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --border-glow: rgba(99, 102, 241, 0.3);
  --border-line: rgba(99, 102, 241, 0.15);
  --accent: #6366f1;
  --accent-cyan: #22d3ee;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --text-main: #e2e8f0;
  --text-dim: #94a3b8;
  --text-faint: #64748b;
  --glow: 0 0 20px rgba(99, 102, 241, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  overflow-x: hidden;
}

/* 科技背景网格 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.08), transparent 60%),
              radial-gradient(ellipse at bottom right, rgba(34, 211, 238, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

#app { position: relative; z-index: 1; min-height: 100vh; }

/* ============ 顶部标题栏 ============ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: linear-gradient(180deg, rgba(17,24,39,0.95), rgba(17,24,39,0.6));
  border-bottom: 1px solid var(--border-line);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-title {
  flex: 1;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 4px;
  background: linear-gradient(90deg, #818cf8, #22d3ee, #818cf8);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 4s linear infinite;
  text-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}
@keyframes shine { to { background-position: 200% center; } }

.top-clock {
  min-width: 240px;
  text-align: right;
  font-family: 'Consolas', 'Courier New', monospace;
}
.top-clock .time {
  font-size: 22px;
  font-weight: 600;
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}
.top-clock .date {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.top-left { min-width: 240px; display: flex; align-items: center; gap: 12px; }

/* 登录按钮 */
.btn {
  padding: 8px 20px;
  border: 1px solid var(--border-glow);
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-main);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  font-family: inherit;
}
.btn:hover { background: rgba(99, 102, 241, 0.25); box-shadow: var(--glow); }
.btn-primary { background: linear-gradient(135deg, #6366f1, #4f46e5); border: none; }
.btn-primary:hover { box-shadow: 0 0 20px rgba(99, 102, 241, 0.6); }
.btn-danger { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.4); color: #fca5a5; }
.btn-danger:hover { background: rgba(239, 68, 68, 0.3); }
.btn-success { background: rgba(16, 185, 129, 0.15); border-color: rgba(16, 185, 129, 0.4); color: #6ee7b7; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ============ 统计卡片 ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px 32px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.stat-card:hover { border-color: var(--border-glow); box-shadow: var(--glow); transform: translateY(-2px); }
.stat-card .label { font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.stat-card .value { font-size: 32px; font-weight: 700; font-family: 'Consolas', monospace; }
.stat-card.in .value { color: var(--accent-cyan); text-shadow: 0 0 15px rgba(34,211,238,0.4); }
.stat-card.out .value { color: var(--accent-amber); text-shadow: 0 0 15px rgba(245,158,11,0.4); }
.stat-card.today-in .value { color: var(--accent-green); }
.stat-card.today-out .value { color: var(--accent-red); }
.stat-card .icon { position: absolute; right: 16px; top: 16px; opacity: 0.2; font-size: 28px; }

/* ============ 表格区域 ============ */
.table-section { padding: 0 32px 32px; }
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-line);
  background: rgba(99, 102, 241, 0.05);
}
.panel-title {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: var(--glow);
}
.panel-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.filter-select, .filter-input {
  padding: 7px 12px;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  font-family: inherit;
}
.filter-select:focus, .filter-input:focus { outline: none; border-color: var(--accent); }
.filter-input { width: 200px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(99, 102, 241, 0.08);
  border-bottom: 1px solid var(--border-line);
  white-space: nowrap;
  font-size: 12px;
  letter-spacing: 0.5px;
}
tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.06);
  white-space: nowrap;
}
tbody tr { transition: background 0.15s; }
tbody tr:hover { background: rgba(99, 102, 241, 0.08); }
tbody tr:nth-child(even) { background: rgba(99, 102, 241, 0.02); }

.status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.status-in { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.3); }
.status-out { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }

.empty-row td { text-align: center; color: var(--text-faint); padding: 40px; }

/* ============ 登录弹窗 ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: linear-gradient(145deg, #131a2e, #0f1525);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 36px;
  width: 380px;
  box-shadow: 0 0 50px rgba(99, 102, 241, 0.3);
}
.modal h2 { text-align: center; margin-bottom: 24px; color: var(--accent-cyan); letter-spacing: 2px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(99,102,241,0.2);
}
.form-group textarea { resize: vertical; min-height: 70px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }
.form-actions .btn { flex: 1; }

/* ============ 后台布局 ============ */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: rgba(17, 24, 39, 0.8);
  border-right: 1px solid var(--border-line);
  padding: 20px 0;
  backdrop-filter: blur(10px);
  flex-shrink: 0;
}
.sidebar-logo {
  padding: 0 24px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-cyan);
  border-bottom: 1px solid var(--border-line);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(99, 102, 241, 0.1); color: var(--text-main); }
.nav-item.active {
  color: var(--accent-cyan);
  background: rgba(99, 102, 241, 0.12);
  border-left-color: var(--accent-cyan);
}
.nav-item .nav-icon { width: 18px; text-align: center; }

.admin-main { flex: 1; overflow-y: auto; }
.admin-content { padding: 24px 32px; }
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border-line);
  background: rgba(17,24,39,0.6);
}
.admin-topbar .page-name { font-size: 18px; font-weight: 600; }
.user-info { display: flex; align-items: center; gap: 16px; font-size: 13px; }
.user-info .role-badge {
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  font-size: 11px;
}

/* ============ 出库勾选表格 ============ */
.checkbox-cell { width: 40px; text-align: center; }
.custom-checkbox {
  width: 18px; height: 18px;
  border: 1.5px solid var(--border-glow);
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.custom-checkbox.checked { background: var(--accent); border-color: var(--accent); }
.custom-checkbox.checked::after { content: '✓'; color: #fff; font-size: 12px; font-weight: bold; }

/* ============ 权限勾选 ============ */
.perm-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.perm-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border-line);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}
.perm-chip:hover { border-color: var(--border-glow); }
.perm-chip.active { background: rgba(99,102,241,0.15); border-color: var(--accent); color: var(--accent-cyan); }

/* ============ 提示消息 ============ */
.toast {
  position: fixed;
  top: 80px;
  right: 32px;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 2000;
  animation: slideIn 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.toast.success { background: rgba(16,185,129,0.2); border: 1px solid var(--accent-green); color: #6ee7b7; }
.toast.error { background: rgba(239,68,68,0.2); border: 1px solid var(--accent-red); color: #fca5a5; }
@keyframes slideIn { from { transform: translateX(120%); } to { transform: translateX(0); } }

/* ============ 品牌分布条 ============ */
.brand-bar-row { display: flex; align-items: center; gap: 12px; padding: 6px 20px; }
.brand-bar-row .brand-name { width: 90px; font-size: 13px; color: var(--text-dim); }
.brand-bar-track { flex: 1; height: 10px; background: rgba(99,102,241,0.1); border-radius: 5px; overflow: hidden; }
.brand-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-cyan)); border-radius: 5px; transition: width 0.6s; }
.brand-bar-row .brand-count { width: 40px; text-align: right; font-size: 13px; font-family: monospace; }

/* ============ 工具栏 ============ */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.selected-count {
  padding: 6px 14px;
  background: rgba(99,102,241,0.15);
  border: 1px solid var(--border-glow);
  border-radius: 6px;
  font-size: 13px;
  color: var(--accent-cyan);
}

/* ============ 商品图片 ============ */
.img-cell { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.product-thumb {
  width: 44px; height: 44px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-line);
  cursor: pointer;
  transition: all 0.2s;
}
.product-thumb:hover { border-color: var(--accent); box-shadow: 0 0 10px rgba(99,102,241,0.4); transform: scale(1.08); }
.no-img { font-size: 11px; color: var(--text-faint); }
/* 数量徽章 */
.qty-badge {
  display: inline-block;
  min-width: 30px;
  padding: 2px 10px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 20px;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}
.upload-area { max-width: 320px; }

/* ============ 销售额卡片配色 ============ */
.stat-card.sales-total .value { color: #fbbf24; text-shadow: 0 0 15px rgba(251,191,36,0.4); }
.stat-card.sales-today .value { color: #34d399; text-shadow: 0 0 15px rgba(52,211,153,0.4); }
.stat-card.sales-count .value { color: #a78bfa; text-shadow: 0 0 15px rgba(167,139,250,0.4); }

/* ============ 响应式 - 平板 ============ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { width: 180px; }
  .admin-content { padding: 20px 24px; }
  .admin-topbar { padding: 14px 24px; }
}

/* ============ 响应式 - 手机 ============ */
@media (max-width: 768px) {
  .top-bar { flex-wrap: wrap; padding: 12px 16px; gap: 8px; }
  .top-left { order: 1; min-width: auto; flex: 1; }
  .top-title { order: 3; font-size: 16px; letter-spacing: 1px; flex-basis: 100%; text-align: center; }
  .top-clock { order: 2; min-width: auto; text-align: right; }
  .top-clock .time { font-size: 15px; }
  .top-clock .date { font-size: 11px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 12px 16px; }
  .stat-card { padding: 14px; }
  .stat-card .value { font-size: 24px; }
  .stat-card .label { font-size: 12px; }

  .table-section { padding: 0 16px 16px; }
  .panel-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .panel-actions { width: 100%; }
  .filter-input { width: 100%; }
  .filter-select { flex: 1; }

  table { font-size: 12px; }
  thead th, tbody td { padding: 7px 8px; }
  .product-thumb { width: 36px; height: 36px; }
  .img-cell { width: 40px; height: 40px; }

  /* 后台侧边栏收起 */
  .sidebar { width: 56px; }
  .sidebar-logo, .nav-item span:not(.nav-icon) { display: none; }
  .nav-item { justify-content: center; padding: 14px 0; }
  .admin-content { padding: 16px; }
  .admin-topbar { padding: 12px 16px; }
  .admin-topbar .page-name { font-size: 16px; }
  .user-info { font-size: 12px; gap: 8px; }

  .toolbar { gap: 8px; }
  .toolbar .filter-input { width: 100%; }
  #ob-to { width: 100% !important; }

  .modal { width: 92% !important; padding: 24px; }
  .perm-grid { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
}

/* ============ 响应式 - 小屏手机 ============ */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card .value { font-size: 20px; }
  .stat-card .icon { font-size: 22px; }
  .top-title { font-size: 14px; }
  .top-clock .time { font-size: 13px; }
  table { font-size: 11px; }
  thead th, tbody td { padding: 6px; }
  .btn { padding: 6px 14px; font-size: 13px; }
  .btn-sm { padding: 4px 10px; font-size: 12px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.5); }