/* ==========================================
   雅緻織閣 — 全域設計系統與莫蘭迪配色
   ========================================== */
:root {
  /* 莫蘭迪優雅配色系統 */
  --bg-primary: #f6f7fb;
  --bg-secondary: #ffffff;
  --text-main: #2b3a4a;
  --text-muted: #6b7c93;

  --primary-color: #7b8e8f;
  /* 莫蘭迪灰綠 */
  --primary-light: #eaeeef;
  --primary-hover: #5d6f70;

  --accent-color: #c89666;
  /* 高級香檳金 */
  --accent-light: #faf5f0;
  --accent-hover: #b28254;

  --danger-color: #d17a7a;
  /* 柔和磚紅 */
  --danger-light: #faecec;
  --danger-hover: #b86262;

  --success-color: #7fa87f;
  /* 莫蘭迪草綠 */
  --success-light: #eef5ee;

  --border-color: #e2e8f0;
  --shadow-light: 0 4px 20px rgba(107, 124, 147, 0.08);
  --shadow-medium: 0 10px 30px rgba(107, 124, 147, 0.12);
  --shadow-focus: 0 0 0 4px rgba(123, 142, 143, 0.2);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-brand: 'Outfit', var(--font-sans);

  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.15s ease;
}

/* ==========================================
   基礎樣式重設與結構
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at 10% 20%, rgba(234, 238, 239, 0.6) 0%, rgba(246, 247, 251, 1) 90.1%);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  padding: 2rem 1.5rem;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ==========================================
   精美頂部標題列 (Main Header)
   ========================================== */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  box-shadow: var(--shadow-light);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  font-size: 2.2rem;
  background: var(--accent-light);
  padding: 0.5rem;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-text h1 {
  font-family: var(--font-brand);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-main) 30%, var(--primary-hover) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.brand-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-brand);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: -2px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--success-light);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(127, 168, 127, 0.2);
}

.status-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--success-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success-color);
  animation: pulse-green 2s infinite;
}

.status-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: #4b6b4b;
}

/* ==========================================
   主版面佈局 (Main Content Grid)
   ========================================== */
.main-content {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  align-items: start;
}

/* ==========================================
   精美卡片基底 (Card System)
   ========================================== */
.card {
  background: var(--bg-secondary);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.card-header {
  margin-bottom: 1.8rem;
}

.card-header h2 {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.3rem;
}

.card-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================
   表單控制項樣式 (Form Controls)
   ========================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: #fafbfc;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  outline: none;
  transition: var(--transition-fast);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-focus);
}

.badge-optional {
  font-size: 0.75rem;
  background-color: #edf2f7;
  color: var(--text-muted);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: normal;
  margin-left: 0.25rem;
}

/* ==========================================
   精緻按鈕設計 (Buttons)
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  width: 100%;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(123, 142, 143, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(123, 142, 143, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: #edf2f7;
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
}

.btn-icon {
  font-size: 1.1rem;
}

/* ==========================================
   搜尋與過濾區 (Filter Section)
   ========================================== */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-secondary);
  padding: 1rem 1.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
}

.search-box {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-box input {
  padding-left: 2.5rem;
  width: 100%;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.filter-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.filter-group select {
  min-width: 130px;
}

/* ==========================================
   庫存網格與卡片 (Inventory Cards Grid)
   ========================================== */
.inventory-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.inventory-summary h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.clothes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* 服飾卡片細節 */
.cloth-card {
  background: var(--bg-secondary);
  border-radius: 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  animation: fade-in 0.4s ease;
}

.cloth-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(123, 142, 143, 0.4);
}

/* 卡片頭部：衣服名稱與客人姓名 */
.cloth-card-header {
  padding: 1.25rem 1.25rem 0.5rem 1.25rem;
}

.cloth-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.cloth-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.badge-size {
  background-color: var(--primary-light);
  color: var(--primary-hover);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  text-transform: uppercase;
}

/* 客人專屬標記 */
.cloth-customer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--accent-light);
  color: var(--accent-hover);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  border: 1px solid rgba(200, 150, 102, 0.2);
}

/* 卡片規格資訊 */
.cloth-card-body {
  padding: 0.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.cloth-spec {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
}

.cloth-price-tag {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-hover);
  margin-top: 0.25rem;
}

/* 庫存微調區 */
.stock-adjust-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-primary);
  padding: 0.5rem 0.8rem;
  border-radius: 10px;
  margin-top: 0.5rem;
}

.stock-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.stock-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-stock-adjust {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-main);
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-stock-adjust:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.stock-number {
  font-family: var(--font-brand);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  min-width: 24px;
  text-align: center;
}

/* 缺貨標記狀態 */
.cloth-card.out-of-stock {
  border-color: rgba(209, 122, 122, 0.3);
}

.cloth-card.out-of-stock::after {
  content: "SOLD OUT 缺貨";
  position: absolute;
  top: 15px;
  left: -25px;
  background: var(--danger-color);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 2rem;
  transform: rotate(-45deg);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.5px;
}

.cloth-card.out-of-stock .stock-number {
  color: var(--danger-color);
}

/* 卡片尾部：編輯與刪除按鈕 */
.cloth-card-footer {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

.btn-card-action {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-main);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-card-action:hover {
  background: var(--bg-primary);
  border-color: var(--primary-color);
}

.btn-card-delete {
  color: var(--danger-color);
}

.btn-card-delete:hover {
  background: var(--danger-light);
  border-color: var(--danger-color);
}

/* ==========================================
   彈出式模態視窗樣式 (Edit Modal)
   ========================================== */
.modal {
  display: none;
  /* 預設隱藏 */
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(43, 58, 74, 0.4);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  animation: fade-in 0.25s ease;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--bg-secondary);
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  padding: 2rem;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  animation: slide-up 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.btn-close:hover {
  color: var(--text-main);
}

.modal-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* ==========================================
   提示通知元件樣式 (Toast Notification)
   ========================================== */
.toast {
  visibility: hidden;
  min-width: 250px;
  background-color: var(--text-main);
  color: white;
  text-align: center;
  border-radius: 12px;
  padding: 1rem 1.5rem;
  position: fixed;
  z-index: 1000;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: var(--shadow-medium);
  transition: visibility 0s, opacity 0.3s ease;
  opacity: 0;
}

.toast.show {
  visibility: visible;
  opacity: 1;
}

.toast.success {
  border-left: 5px solid var(--success-color);
}

.toast.error {
  border-left: 5px solid var(--danger-color);
}

/* ==========================================
   載入中與空狀態樣式 (States)
   ========================================== */
.loading-spinner-wrapper,
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: white;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
}

.spinner {
  width: 45px;
  height: 45px;
  border: 4px solid var(--primary-light);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1.5rem auto;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   動畫效果集錦 (Keyframes & Animations)
   ========================================== */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse-green {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(127, 168, 127, 0.7);
  }

  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(127, 168, 127, 0);
  }

  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(127, 168, 127, 0);
  }
}

/* ==========================================
   響應式設計 (RWD Media Queries)
   ========================================== */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  body {
    padding: 1rem;
  }

  .main-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ==========================================
   會員登入與註冊頁面 (Auth UI Styles)
   ========================================== */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: radial-gradient(circle at 10% 20%, rgba(234, 238, 239, 0.8) 0%, rgba(246, 247, 251, 0.95) 90.1%);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1.5rem;
  animation: fade-in 0.5s ease;
}

.auth-card {
  background: var(--bg-secondary);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  text-align: center;
  animation: slide-up 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.auth-header {
  margin-bottom: 2rem;
}

.auth-icon {
  font-size: 2.5rem;
  background: var(--accent-light);
  padding: 0.6rem;
  border-radius: 16px;
  display: inline-flex;
  margin-bottom: 1rem;
}

.auth-header h2 {
  font-family: var(--font-brand);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.auth-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-toggle-wrapper {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent-hover);
  font-weight: 700;
  cursor: pointer;
  padding: 0 0.25rem;
  text-decoration: underline;
  transition: var(--transition-fast);
}

.btn-link:hover {
  color: var(--text-main);
}

/* Header 會員區塊排版 */
.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--primary-light);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(123, 142, 143, 0.2);
}

.user-avatar {
  font-size: 1.1rem;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.btn-logout {
  background: white;
  border: 1px solid var(--border-color);
  color: var(--danger-color);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-logout:hover {
  background: var(--danger-light);
  border-color: var(--danger-color);
}

@media (max-width: 576px) {
  .header-right {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.5rem;
  }

  .user-profile {
    width: 100%;
    justify-content: space-between;
  }
}