/* =============================================
   會員管理系統 - Apple 風格樣式
   ============================================= */

/* =============================================
   全域設定
   ============================================= */
:root {
  /* 顏色定義 */
  --color-primary: #303030;
  --color-secondary: #cfcfcf;
  --color-success: var(--success-color);
  --color-warning: #8A6A12;
  --color-error: var(--error-color);
  
  /* 灰階 */
  --color-gray-50: var(--gray-50);
  --color-gray-100: var(--gray-100);
  --color-gray-200: var(--gray-200);
  --color-gray-300: var(--gray-300);
  --color-gray-400: var(--text-hint);
  --color-gray-500: var(--text-secondary);
  --color-gray-600: #6E6E6E;
  --color-gray-700: var(--text-secondary);
  --color-gray-800: #3A3A3A;
  --color-gray-900: var(--text-primary);
  
  /* 文字顏色 */
  --color-text-primary: #1D1D1F;
  --color-text-secondary: #86868B;
  
  /* 背景 */
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F5F5F7;
  
  /* 陰影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* 圓角 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* 間距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* 字體 */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-system);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   容器
   ============================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

.container-sm {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* =============================================
   卡片
   ============================================= */
.card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing);
}

.card-header {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing);
  color: var(--color-text-primary);
}

.card-body {
  color: var(--color-text-primary);
}

/* =============================================
   按鈕
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: var(--font-system);
}

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

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--ink);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-warning {
  background: var(--color-warning);
  color: white;
}

.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-secondary {
  background: var(--color-gray-200);
  color: var(--color-text-primary);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 18px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-block {
  display: block;
  width: 100%;
}

/* =============================================
   表單
   ============================================= */
.form-group {
  margin-bottom: var(--spacing);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-system);
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--gray-100);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-help {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.form-error {
  font-size: 13px;
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}

/* =============================================
   表格
   ============================================= */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.table thead {
  background: var(--color-gray-50);
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-gray-200);
}

.table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-text-primary);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--color-gray-50);
}

/* =============================================
   導航列
   ============================================= */
.navbar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.navbar-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s;
}

.navbar-link:hover {
  color: var(--color-primary);
}

/* =============================================
   狀態徽章
   ============================================= */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 12px;
}

.status-success {
  background: var(--gray-100);
  color: var(--color-success);
}

.status-warning {
  background: var(--gray-100);
  color: var(--color-warning);
}

.status-error {
  background: var(--gray-100);
  color: var(--color-error);
}

.status-gray {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

/* =============================================
   會員頭像
   ============================================= */
.member-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-gray-200);
}

.member-avatar-small {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--spacing-sm);
}

.member-info {
  display: flex;
  align-items: center;
}

/* =============================================
   載入動畫
   ============================================= */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-content {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  min-width: 200px;
}

/* =============================================
   Toast 通知系統
   ============================================= */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 500px;
  pointer-events: auto;
  animation: toastSlideIn 0.3s ease-out;
  border-left: 4px solid transparent;
}

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

.toast.error {
  border-left-color: var(--color-error);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

.toast.info {
  border-left-color: var(--color-primary);
}

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.toast-message {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.toast-close {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.toast-close:hover {
  background: var(--color-gray-100);
  color: var(--color-text-primary);
}

@keyframes toastSlideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toastSlideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

.toast.slide-out {
  animation: toastSlideOut 0.3s ease-in forwards;
}

/* =============================================
   骨架屏
   ============================================= */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-50) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.skeleton-card {
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@keyframes skeletonLoading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* =============================================
   載入狀態
   ============================================= */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =============================================
   訊息提示
   ============================================= */
.message-toast {
  position: fixed;
  top: var(--spacing);
  right: var(--spacing);
  padding: var(--spacing) var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 15px;
  font-weight: 500;
  opacity: 0;
  transform: translateX(400px);
  transition: all 0.3s ease;
  z-index: 10000;
  max-width: 400px;
}

.message-toast.show {
  opacity: 1;
  transform: translateX(0);
}

.message-success {
  background: var(--color-success);
  color: white;
}

.message-error {
  background: var(--color-error);
  color: white;
}

.message-warning {
  background: var(--color-warning);
  color: white;
}

.message-info {
  background: var(--color-primary);
  color: white;
}

/* =============================================
   首頁樣式
   ============================================= */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-2xl) var(--spacing);
  text-align: center;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: var(--spacing);
  color: var(--color-text-primary);
  text-align: center;
  width: 100%;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  width: 100%;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-lg);
  display: block;
}

/* =============================================
   登入頁面
   ============================================= */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* =============================================
   個人資料卡片
   ============================================= */
.profile-header {
  text-align: center;
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--spacing-lg);
}

.profile-avatar-container {
  margin-bottom: var(--spacing);
}

.profile-name {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.profile-info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.profile-info-row:last-child {
  border-bottom: none;
}

.profile-label {
  color: var(--color-text-secondary);
  font-size: 15px;
}

.profile-value {
  font-weight: 500;
  color: var(--color-text-primary);
}

/* =============================================
   統計卡片
   ============================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* =============================================
   搜尋框
   ============================================= */
.search-box {
  position: relative;
  margin-bottom: var(--spacing);
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  font-size: 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
}

/* =============================================
   分頁
   ============================================= */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing);
  padding: var(--spacing);
  background: var(--color-bg);
  border-radius: var(--radius);
}

.pagination-info {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.pagination-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* =============================================
   響應式設計
   ============================================= */
@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .table {
    font-size: 14px;
  }
  
  .table th,
  .table td {
    padding: 10px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .navbar-menu {
    gap: var(--spacing);
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .login-card {
    padding: var(--spacing-lg);
  }
}

/* =============================================
   工具類
   ============================================= */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-gap {
  gap: var(--spacing);
}

.hidden {
  display: none !important;
}

/* =============================================
   響應式設計改進
   ============================================= */
@media (max-width: 768px) {
  .toast-container {
    left: 16px;
    right: 16px;
    top: 16px;
  }
  
  .toast {
    min-width: auto;
    max-width: 100%;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .card {
    padding: 16px;
  }
  
  .navbar-menu {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 15px;
  }
  
  h1 {
    font-size: 28px !important;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   表單改進
   ============================================= */
.form-group {
  position: relative;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--gray-100);
}

.form-input:focus:not(.error),
.form-select:focus:not(.error),
.form-textarea:focus:not(.error) {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--gray-100);
}

/* =============================================
   改進的載入動畫
   ============================================= */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* =============================================
   骨架屏列表項目
   ============================================= */
.skeleton-list-item {
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.skeleton-table {
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius);
}