/* ============================================================
   五金工具 AI 辨識系統 — Console CSS
   設計規範：現代工業科技風 (Modern Industrial Tech)
   主色：品牌紅 #C62828 / 側邊深藍黑 #0F172A
   ============================================================ */

/* ── CSS 變數 ────────────────────────────────────────────── */
:root {
  /* 品牌色 */
  --brand-red:      #C62828;
  --brand-red-dark: #8E0000;
  --brand-red-soft: #EF5350;
  --brand-red-pale: #FFEBEE;

  /* 深色側邊 */
  --navy-900: #0F172A;
  --navy-800: #1E293B;
  --navy-700: #334155;
  --navy-600: #475569;

  /* 灰白主內容 */
  --bg-main:    #F1F5F9;
  --bg-card:    #FFFFFF;
  --bg-sidebar: var(--navy-900);

  /* 倉庫頁暖黃 */
  --warehouse-bg:     #FFF8E1;
  --warehouse-accent: #FF6F00;

  /* 文字 */
  --text-primary:   #1E293B;
  --text-secondary: #64748B;
  --text-muted:     #94A3B8;
  --text-on-dark:   #F1F5F9;

  /* 邊框 */
  --border-color: #E2E8F0;
  --border-dark:  #334155;

  /* 陰影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.07), 0 4px 6px rgba(0,0,0,.06);

  /* 圓角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* 側邊欄寬度 */
  --sidebar-width: 280px;
  --topbar-height: 56px;

  /* 字體 */
  --font-sans: 'Noto Sans TC', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* ── 基礎重置 ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--text-primary);
  background: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 等寬字體用於 SKU / 條碼 / 批號 */
.font-mono, .sku, .barcode-text, .batch-no, .model-no {
  font-family: var(--font-mono);
  letter-spacing: .03em;
}

/* ── 版面結構 ────────────────────────────────────────────── */
.console-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── 側邊欄 ──────────────────────────────────────────────── */
.console-sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000;
  transition: transform .25s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.console-sidebar { scrollbar-width: auto; scrollbar-color: var(--navy-600) transparent; } /* Firefox */
.console-sidebar::-webkit-scrollbar { width: 10px; }
.console-sidebar::-webkit-scrollbar-track { background: rgba(255,255,255,.04); }
.console-sidebar::-webkit-scrollbar-thumb {
  background: var(--navy-600);
  border-radius: 5px;
  border: 2px solid transparent;   /* 內縮視覺，拖拉熱區仍是 10px */
  background-clip: content-box;
}
.console-sidebar::-webkit-scrollbar-thumb:hover { background: #64748B; background-clip: content-box; }

/* 品牌 LOGO 區 */
.sidebar-brand-wrap {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border-dark);
}

.sidebar-logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-on-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.3;
}

.sidebar-logo-text:hover { color: var(--brand-red-soft); }

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--brand-red);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  flex-shrink: 0;
}

.sidebar-logo-sub {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  display: block;
}

/* 導覽選單 */
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--navy-600);
  text-transform: uppercase;
  padding: 16px 16px 6px;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: #94A3B8;
  font-size: 17px;
  font-weight: 500;
  border-radius: 0;
  transition: all .15s ease;
  white-space: nowrap;
  position: relative;
}

.sidebar-nav .nav-link i {
  font-size: 20px;
  width: 18px;
  flex-shrink: 0;
  opacity: .8;
}

.sidebar-nav .nav-link:hover {
  color: var(--text-on-dark);
  background: rgba(255,255,255,.05);
}

.sidebar-nav .nav-link.active {
  color: #fff;
  background: var(--brand-red);
  font-weight: 600;
}

.sidebar-nav .nav-link.active i { opacity: 1; }

/* 子選單 */
.sidebar-nav .nav-sub {
  padding-left: 12px;
  border-left: 2px solid var(--navy-700);
  margin-left: 24px;
  margin-top: 2px;
  margin-bottom: 2px;
}

.sidebar-nav .nav-sub .nav-link {
  font-size: 16px;
  padding: 7px 12px;
  color: #64748B;
}

.sidebar-nav .nav-sub .nav-link:hover { color: #94A3B8; }
.sidebar-nav .nav-sub .nav-link.active { color: var(--brand-red-soft); background: transparent; }

.sidebar-divider {
  border: none;
  border-top: 1px solid var(--border-dark);
  margin: 8px 16px;
}

/* 側邊底部 - 使用者資訊 */
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-dark);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  background: var(--brand-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-on-dark);
  line-height: 1.2;
}

.sidebar-user-role {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── 主內容區 ─────────────────────────────────────────────── */
.console-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 頂部導覽列 */
.console-topbar {
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

.topbar-breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  color: var(--text-secondary);
}

.topbar-breadcrumb .separator { color: var(--text-muted); }
.topbar-breadcrumb .current   { color: var(--text-primary); font-weight: 600; }

/* 主內容 */
.console-content {
  flex: 1;
  padding: 24px;
}

/* ── 頁面標題 ─────────────────────────────────────────────── */
.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 29px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.page-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── 卡片 ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: transparent;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i { color: var(--brand-red); font-size: 20px; }

.card-body { padding: 20px; }
.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background: #F8FAFC;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* ── 統計卡片 ────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.stat-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 12px;
}

.stat-card-icon.red    { background: var(--brand-red-pale); color: var(--brand-red); }
.stat-card-icon.blue   { background: #EFF6FF; color: #2563EB; }
.stat-card-icon.green  { background: #F0FDF4; color: #16A34A; }
.stat-card-icon.orange { background: #FFF7ED; color: #EA580C; }
.stat-card-icon.purple { background: #FAF5FF; color: #9333EA; }
.stat-card-icon.teal   { background: #F0FDFA; color: #0D9488; }

.stat-card-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card-label {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-card-change {
  font-size: 14px;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.stat-card-change.up   { color: #16A34A; }
.stat-card-change.down { color: var(--brand-red); }

/* ── 表格 ────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.table {
  margin: 0;
  font-size: 17px;
}

.table thead th {
  background: #F8FAFC;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table tbody td {
  padding: 12px 14px;
  vertical-align: middle;
  border-bottom: 1px solid #F1F5F9;
  color: var(--text-primary);
}

.table tbody tr:hover td { background: #FAFBFC; }
.table tbody tr:last-child td { border-bottom: none; }

/* ── 按鈕 ────────────────────────────────────────────────── */
.btn {
  font-size: 17px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-brand {
  background: var(--brand-red);
  color: #fff;
  border: none;
  box-shadow: 0 1px 3px rgba(198,40,40,.3);
}

.btn-brand:hover {
  background: var(--brand-red-dark);
  color: #fff;
  box-shadow: 0 2px 6px rgba(198,40,40,.4);
}

.btn-brand:active { transform: scale(.98); }

.btn-outline-brand {
  background: transparent;
  color: var(--brand-red);
  border: 1px solid var(--brand-red);
}

.btn-outline-brand:hover {
  background: var(--brand-red-pale);
  color: var(--brand-red);
}

.btn-sm {
  font-size: 16px;
  padding: 4px 10px;
  gap: 4px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 10px;
}

.btn-ghost:hover { background: #F1F5F9; color: var(--text-primary); }

/* ── 表單 ────────────────────────────────────────────────── */
.form-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  letter-spacing: .01em;
}

.form-control, .form-select {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 17px;
  color: var(--text-primary);
  padding: 8px 12px;
  transition: border-color .15s ease, box-shadow .15s ease;
  background: #fff;
}

.form-control:focus, .form-select:focus {
  border-color: var(--brand-red-soft);
  box-shadow: 0 0 0 3px rgba(198,40,40,.1);
  outline: none;
}

.form-control.is-invalid { border-color: #EF4444; }
.form-control.is-valid   { border-color: #22C55E; }

.input-group .form-control { border-radius: 0; }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.input-group .form-control:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }

/* ── 搜尋列 ──────────────────────────────────────────────── */
.search-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

/* ── Badge ───────────────────────────────────────────────── */
.badge {
  font-size: 14px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 4px;
}

.bg-purple { background: #9333EA !important; }

/* ── 圖片預覽 ─────────────────────────────────────────────── */
.img-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform .15s ease;
}

.img-thumb:hover { transform: scale(1.05); }

.img-thumb-lg {
  width: 80px;
  height: 80px;
}

/* 圖片上傳區 */
.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  background: #FAFBFC;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--brand-red-soft);
  background: var(--brand-red-pale);
}

.upload-zone i {
  font-size: 42px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.upload-zone.dragover i { color: var(--brand-red); }

/* ── 標籤 Chip ────────────────────────────────────────────── */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid;
}

/* ── Alert ───────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-md);
  font-size: 17px;
  padding: 12px 16px;
  border: none;
  border-left: 4px solid;
}

.alert-success { background: #F0FDF4; color: #166534; border-color: #22C55E; }
.alert-danger  { background: #FEF2F2; color: #991B1B; border-color: #EF4444; }
.alert-warning { background: #FFFBEB; color: #92400E; border-color: #F59E0B; }
.alert-info    { background: #EFF6FF; color: #1E40AF; border-color: #3B82F6; }

/* ── 信心分數條 ──────────────────────────────────────────── */
.confidence-bar {
  height: 6px;
  border-radius: 3px;
  background: #E2E8F0;
  overflow: hidden;
}

.confidence-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .5s ease;
}

.confidence-bar-fill.high   { background: #22C55E; }
.confidence-bar-fill.medium { background: #F59E0B; }
.confidence-bar-fill.low    { background: #EF4444; }

/* ── 登入頁 ──────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(198,40,40,.15) 0, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(30,41,59,.6) 0, transparent 40%);
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.05);
}

.login-logo {
  width: 56px;
  height: 56px;
  background: var(--brand-red);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 31px;
  color: #fff;
  margin: 0 auto 20px;
}

.login-title {
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.login-subtitle {
  text-align: center;
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ── 儀表板 ──────────────────────────────────────────────── */
.dashboard-section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── AI 狀態指示燈 ────────────────────────────────────────── */
.ai-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.ai-status-dot.online  { background: #22C55E; box-shadow: 0 0 0 2px rgba(34,197,94,.2); }
.ai-status-dot.offline { background: #EF4444; }
.ai-status-dot.unknown { background: #F59E0B; }

/* ── RWD — 手機側欄收折 ──────────────────────────────────── */
@media (max-width: 991px) {
  .console-sidebar {
    transform: translateX(-100%);
  }

  .console-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.3);
  }

  .console-main {
    margin-left: 0;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 999;
  }

  .sidebar-overlay.visible { display: block; }
}

/* ── 倉庫端大按鈕風格 ─────────────────────────────────────── */
.warehouse-layout {
  background: var(--warehouse-bg);
}

.warehouse-btn {
  font-size: 21px;
  font-weight: 700;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.warehouse-result-box {
  background: var(--navy-900);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
  font-size: 21px;
}

.warehouse-result-box .result-label {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.warehouse-result-box .result-value {
  font-size: 29px;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

/* ── 空狀態 ──────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 62px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: block;
}

.empty-state h5 {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.empty-state p { font-size: 17px; }

/* ── 分頁 ────────────────────────────────────────────────── */
.pagination .page-link {
  border-radius: var(--radius-sm) !important;
  margin: 0 2px;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-size: 16px;
  padding: 5px 10px;
}

.pagination .page-item.active .page-link {
  background: var(--brand-red);
  border-color: var(--brand-red);
  color: #fff;
}

.pagination .page-link:hover {
  background: var(--brand-red-pale);
  border-color: var(--brand-red-soft);
  color: var(--brand-red);
}

/* ── 工具提示 / Modal ─────────────────────────────────────── */
.modal-content {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 20px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 14px 20px;
}

/* ── JSON 顯示區 ──────────────────────────────────────────── */
.json-display {
  background: var(--navy-900);
  color: #A5D6A7;
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

/* ── 進度指示 ─────────────────────────────────────────────── */
.progress {
  height: 6px;
  border-radius: 3px;
  background: #E2E8F0;
}

.progress-bar {
  border-radius: 3px;
  background: var(--brand-red);
}

/* ── 切換開關 ─────────────────────────────────────────────── */
.form-check-input:checked {
  background-color: var(--brand-red);
  border-color: var(--brand-red);
}

/* ── 浮動保存按鈕 ─────────────────────────────────────────── */
.save-bar {
  position: sticky;
  bottom: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  box-shadow: 0 -2px 8px rgba(0,0,0,.06);
  z-index: 100;
}