/**
 * WebSideView Cloud 全域樣式 - 深色主題
 */

:root {
  /* 主要顏色 */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  
  /* 狀態顏色 */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  /* 背景顏色 - 深色主題 */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  
  /* 文字顏色 - 深色主題 */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  
  /* 邊框顏色 - 深色主題 */
  --border: #475569;
  --border-dark: #64748b;
  
  /* 陰影 - 深色主題 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  /* 圓角 */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* 全域樣式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Microsoft JhengHei', sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 頁面佈局 */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  animation: slideIn 0.5s ease-out;
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

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

main {
  padding: 0;
  display: block;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  animation: fadeIn 0.6s ease-out;
}

/* 標籤頁樣式 */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--bg-card);
  padding: 8px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.tab-btn {
  padding: 12px 24px;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.tab-btn:hover::before {
  left: 100%;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.tab-btn.active {
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
  display: block;
}

/* 按鈕樣式 */
button, .btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  outline: none;
}

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button:hover::before {
  width: 300px;
  height: 300px;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

.primary-btn:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.action-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: 1px solid var(--primary);
  color: white;
  font-weight: 600;
}

.action-btn:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.nav-btn:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-dark);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #f87171 0%, var(--danger) 100%);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, #34d399 0%, var(--success) 100%);
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* 輸入框 */
input, textarea, select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  transform: translateY(-1px);
}

input::placeholder {
  color: var(--text-muted);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* 表格 */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 16px;
  overflow: hidden;
  border-radius: 12px;
}

thead {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-hover) 100%);
}

th {
  padding: 14px 18px;
  text-align: left;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-hover) 100%);
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  transition: all 0.2s ease;
  background: var(--bg-card);
}

tbody tr:hover {
  background: var(--bg-hover);
  transform: scale(1.01);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

tbody tr:nth-child(even) {
  background: rgba(51, 65, 85, 0.3);
}

tbody tr:nth-child(even):hover {
  background: var(--bg-hover);
}

td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  color: var(--text-primary);
}

tbody tr:hover td {
  color: var(--text-primary);
}

tbody input,
tbody select {
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-color: var(--border);
}

tbody input:focus,
tbody select:focus {
  background: var(--bg-hover);
  border-color: var(--primary);
}

/* 卡片 */
.card, section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fadeIn 0.5s ease-out;
  backdrop-filter: blur(10px);
}

.card:hover, section:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

/* 表單 */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

/* 登入畫面 */
.login-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  animation: fadeIn 0.5s ease-out;
}

.login-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
  animation: slideIn 0.5s ease-out;
  backdrop-filter: blur(10px);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h2 {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.login-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-input-group label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

.login-input-group input {
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 18px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}

.login-submit {
  width: 100%;
  padding: 16px 24px;
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
  margin-top: 8px;
}

.login-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.login-submit:active {
  transform: translateY(0);
}

.login-error {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  animation: slideIn 0.3s ease-out;
}

/* 通知 */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  animation: slideIn 0.3s ease-out;
  font-weight: 600;
  min-width: 200px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.notification-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.notification-error {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
}

.notification-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
}

.notification-info {
  background: linear-gradient(135deg, var(--info) 0%, #0891b2 100%);
}

/* 載入動畫 */
.loading-spinner {
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary), 0 0 15px var(--primary);
  }
  50% {
    box-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary), 0 0 30px var(--primary);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

/* Checkbox */
input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary);
  border-radius: 4px;
}

/* 響應式設計 */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  main {
    padding: 1rem;
  }

  table {
    font-size: 0.75rem;
  }

  th, td {
    padding: 0.5rem;
  }
}

/* 空白狀態 */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.empty-state p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}