/* ============================================
   GameID 管理面板 - 移动端优先样式
   2024 Modern Mobile Admin UI
   ============================================ */

:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-dark: #1e293b;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* App Container */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg-secondary);
  position: relative;
  padding-bottom: 80px;
}

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 24px 16px;
  padding-top: max(24px, env(safe-area-inset-top));
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.app-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-header .subtitle {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-top: 4px;
}

.header-actions {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 12px;
}

.header-btn {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.header-btn:active {
  background: rgba(255,255,255,0.3);
  transform: scale(0.95);
}

.header-btn .badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 600;
}

/* Content Area */
.app-content {
  padding: 16px;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.stat-card:active {
  transform: scale(0.98);
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.stat-card.sessions .stat-icon { background: rgba(79, 70, 229, 0.1); }
.stat-card.players .stat-icon { background: rgba(16, 185, 129, 0.1); }
.stat-card.active .stat-icon { background: rgba(59, 130, 246, 0.1); }
.stat-card.cleanup .stat-icon { background: rgba(239, 68, 68, 0.1); }

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card .stat-trend {
  font-size: 0.75rem;
  color: var(--success);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card .stat-trend.down { color: var(--danger); }

/* Quick Actions */
.section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.action-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:active {
  background: var(--bg-primary);
  transform: scale(0.95);
}

.action-btn .icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
  display: block;
}

.action-btn .label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* List Cards */
.list-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s;
}

.list-card:active {
  box-shadow: var(--shadow-md);
}

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

.list-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.list-card-body {
  padding: 16px;
}

.list-card-footer {
  padding: 12px 16px;
  background: var(--bg-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Status Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-status.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.badge-status.expired {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.badge-status.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.badge-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Player Tags */
.player-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.player-tag {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.player-tag.more {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  padding: 8px 0;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 100;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
  border: none;
  background: none;
}

.nav-item.active {
  color: var(--primary);
}

.nav-item .icon {
  font-size: 1.3rem;
}

.nav-item .label {
  font-size: 0.7rem;
  font-weight: 500;
}

.nav-item .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  margin-top: 2px;
}

/* Page Views */
.page-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page-view.active {
  display: block;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state .text {
  font-size: 0.9rem;
}

/* Loading Spinner */
.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-primary) 25%, var(--border) 50%, var(--bg-primary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 24px 16px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  background: var(--bg-primary);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Form Elements */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--bg-secondary);
  transition: all 0.2s;
  -webkit-appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:active {
  background: var(--primary-dark);
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  width: auto;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 90%;
  max-width: 360px;
}

.toast {
  background: var(--bg-dark);
  color: white;
  padding: 12px 16px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
  font-size: 0.9rem;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--info); }

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

/* Progress Bar */
.progress-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* Settings List */
.settings-list {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.settings-item {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s;
}

.settings-item:last-child {
  border-bottom: none;
}

.settings-item:active {
  background: var(--bg-primary);
}

.settings-item .left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.settings-item .icon {
  font-size: 1.2rem;
}

.settings-item .title {
  font-weight: 500;
  font-size: 0.95rem;
}

.settings-item .arrow {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Toggle Switch */
.toggle {
  width: 44px;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}

.toggle.active {
  background: var(--success);
}

.toggle::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
  box-shadow: var(--shadow-sm);
}

.toggle.active::after {
  transform: translateX(20px);
}

/* Search Bar */
.search-bar {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  border: none;
  background: none;
  font-size: 0.95rem;
  outline: none;
}

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

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-tab {
  padding: 8px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Chart Container */
.chart-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 16px;
}

.chart-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-area {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 10px 0;
}

.chart-bar {
  flex: 1;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  transition: height 0.5s ease;
  opacity: 0.8;
}

.chart-bar:hover {
  opacity: 1;
}

/* Detail Row */
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.detail-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.detail-value {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Action Sheet */
.action-sheet {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.action-sheet.active {
  display: flex;
}

.action-sheet-content {
  background: var(--bg-secondary);
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 12px 16px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  animation: slideUp 0.3s ease;
}

.action-sheet-item {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
}

.action-sheet-item:last-child {
  border-bottom: none;
}

.action-sheet-item.danger {
  color: var(--danger);
}

.action-sheet-item:active {
  background: var(--bg-primary);
}

.action-sheet-cancel {
  margin-top: 8px;
  padding: 16px;
  text-align: center;
  background: var(--bg-primary);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
}

/* Responsive */
@media (min-width: 481px) {
  .app-container {
    box-shadow: var(--shadow-lg);
    margin: 20px auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  
  .bottom-nav {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
}

@media (max-width: 360px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
  }
  
  .stat-card, .list-card, .settings-item, .chart-container {
    background: var(--bg-secondary);
    border-color: var(--border);
  }
  
  .form-input, .search-bar {
    background: var(--bg-primary);
    border-color: var(--border);
    color: var(--text-primary);
  }
  
  .form-input::placeholder {
    color: var(--text-muted);
  }
}

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.bounce {
  animation: bounce 1s infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }