/* 自定義樣式補充 Tailwind */
[x-cloak] { display: none !important; }

/* ===== 全域字體大小提升（易讀性）===== */
html {
  font-size: 106.25%; /* 16px → ~17px，所有 rem 單位等比例放大 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  letter-spacing: -0.01em;
}

/* ===== Tab 樣式 ===== */
.tab-active {
  border-bottom: 2px solid #6366f1;
  color: #6366f1;
  font-weight: 600;
}
.tab-inactive {
  border-bottom: 2px solid transparent;
  color: #6b7280;
}
.tab-inactive:hover {
  color: #374151;
  border-bottom-color: #d1d5db;
}

/* ===== Category Badges（加 white-space:nowrap 避免斷行）===== */
.category-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.6;
}

/* 產品成本 */
.category-material  { background: #dcfce7; color: #166534; }
.category-labor     { background: #dbeafe; color: #1e40af; }
.category-packaging { background: #fef9c3; color: #854d0e; }

/* 營運成本 */
.category-rent      { background: #ede9fe; color: #5b21b6; }
.category-utilities { background: #cffafe; color: #164e63; }
.category-equipment { background: #fef3c7; color: #92400e; }
.category-fixed     { background: #fce7f3; color: #9d174d; }

/* 行銷成本 */
.category-advertising  { background: #ffe4e6; color: #9f1239; }
.category-platform_fee { background: #fae8ff; color: #7e22ce; }
.category-shipping_cost{ background: #d1fae5; color: #065f46; }

/* 其他 */
.category-other     { background: #f3f4f6; color: #374151; }

/* ===== 可變/固定成本 Badge ===== */
.cost-type-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 9999px;
  font-size: 0.73rem;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.6;
}
.cost-type-variable { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.cost-type-fixed    { background: #fdf2f8; color: #9d174d; border: 1px solid #fbcfe8; }

/* ===== 售價 Badges ===== */
.price-normal    { background: #ede9fe; color: #5b21b6; }
.price-promotion { background: #fee2e2; color: #991b1b; }
.price-group     { background: #d1fae5; color: #065f46; }
.price-member    { background: #fef3c7; color: #92400e; }
.price-suggested { background: #ecfdf5; color: #065f46; border: 1px solid #6ee7b7; }
.price-custom    { background: #f3f4f6; color: #374151; }

/* ===== 損益顏色 ===== */
.profit-positive { color: #059669; }
.profit-negative { color: #dc2626; }

/* ===== 損益平衡進度條 ===== */
.breakeven-bar {
  height: 8px;
  border-radius: 4px;
  background: #e5e7eb;
  overflow: hidden;
}
.breakeven-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ===== Toast 通知 ===== */
#toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toast {
  padding: 0.8rem 1.35rem;
  border-radius: 0.5rem;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  animation: slideIn 0.3s ease;
  min-width: 200px;
}
.toast-success { background: #059669; }
.toast-error   { background: #dc2626; }
.toast-info    { background: #6366f1; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-box {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
}

/* ===== Loading Spinner ===== */
.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #e5e7eb;
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== 表格 hover ===== */
tr:hover td { background: #f9fafb; }

/* ===== 產品卡片 ===== */
.product-card {
  transition: box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.product-card:hover {
  box-shadow: 0 8px 28px rgba(99,102,241,0.18);
  transform: translateY(-3px);
}

/* ===== Apple Liquid Glass 成本分組卡片 ===== */
.cost-group-card {
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

/* 產品成本 — 藍色調 */
.group-product {
  background: linear-gradient(135deg,
    rgba(219, 234, 254, 0.72) 0%,
    rgba(207, 250, 254, 0.60) 100%);
  border-color: rgba(147, 197, 253, 0.55);
  box-shadow:
    0 8px 32px rgba(59, 130, 246, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.80),
    inset 0 -1px 0 rgba(59, 130, 246, 0.06);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.group-product:hover {
  box-shadow:
    0 12px 40px rgba(59, 130, 246, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

/* 營運成本 — 紫色調 */
.group-operations {
  background: linear-gradient(135deg,
    rgba(237, 233, 254, 0.72) 0%,
    rgba(233, 213, 255, 0.60) 100%);
  border-color: rgba(167, 139, 250, 0.45);
  box-shadow:
    0 8px 32px rgba(124, 58, 237, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.80),
    inset 0 -1px 0 rgba(124, 58, 237, 0.06);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.group-operations:hover {
  box-shadow:
    0 12px 40px rgba(124, 58, 237, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

/* 行銷成本 — 玫瑰/粉色調 */
.group-marketing {
  background: linear-gradient(135deg,
    rgba(252, 231, 243, 0.72) 0%,
    rgba(255, 228, 230, 0.60) 100%);
  border-color: rgba(249, 168, 212, 0.55);
  box-shadow:
    0 8px 32px rgba(236, 72, 153, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.80),
    inset 0 -1px 0 rgba(236, 72, 153, 0.05);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.group-marketing:hover {
  box-shadow:
    0 12px 40px rgba(236, 72, 153, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

/* 其他成本 — 灰色調 */
.group-other {
  background: linear-gradient(135deg,
    rgba(248, 250, 252, 0.80) 0%,
    rgba(241, 245, 249, 0.72) 100%);
  border-color: rgba(203, 213, 225, 0.65);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

/* 成本列 — 毛玻璃行 */
.cost-row-glass {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: background 0.15s;
}
.cost-row-glass:hover {
  background: rgba(255, 255, 255, 0.88);
}

/* 可變/固定切換 Toggle */
.cost-type-toggle {
  background: #f1f5f9;
  border-radius: 12px;
  padding: 4px;
  display: flex;
  gap: 4px;
}
.cost-type-toggle button {
  flex: 1;
  padding: 8px 12px;
  border-radius: 9px;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.18s;
  color: #6b7280;
  background: transparent;
}
.cost-type-toggle button.active-variable {
  background: white;
  color: #1d4ed8;
  box-shadow: 0 1px 6px rgba(29, 78, 216, 0.16), 0 1px 2px rgba(0,0,0,0.08);
}
.cost-type-toggle button.active-fixed {
  background: white;
  color: #9d174d;
  box-shadow: 0 1px 6px rgba(157, 23, 77, 0.14), 0 1px 2px rgba(0,0,0,0.08);
}

/* 成本分組 Tabs（Modal 內） */
.group-tab-bar {
  display: flex;
  background: #f1f5f9;
  border-radius: 12px;
  padding: 4px;
  gap: 2px;
}
.group-tab-btn {
  flex: 1;
  padding: 6px 4px;
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: none;
  background: transparent;
  color: #6b7280;
  transition: all 0.18s;
  white-space: nowrap;
}
.group-tab-btn.active {
  background: white;
  color: #111827;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
}

/* 封面圖片上傳區域 */
.cover-upload-zone {
  border: 2px dashed #d1d5db;
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: #f9fafb;
}
.cover-upload-zone:hover {
  border-color: #818cf8;
  background: #f0f0ff;
}