/* ============================================
   Component Styles - 可复用组件（大改版 v2）
   玻璃质感卡片 + 立体高光按钮 + 精致表单
   ============================================ */

/* ===== 功能卡片 (Feature Card) - 玻璃质感 ===== */
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow:
    var(--shadow-sm),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-color-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 卡片右上角光晕装饰 */
.feature-card::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.10) 0%, transparent 70%);
  pointer-events: none;
  transition: all var(--transition-base);
  border-radius: 50%;
}

/* 顶部渐变线 - hover 时显示 */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-primary-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 16px 40px rgba(99, 102, 241, 0.16),
    0 6px 12px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-color: rgba(var(--color-primary-rgb), 0.30);
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after {
  transform: scale(1.4);
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.18) 0%, transparent 70%);
}

/* 卡片顶部彩色标签 */
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: 18px;
  width: fit-content;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.card-badge.blue {
  background: rgba(59, 130, 246, 0.10);
  color: var(--color-accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.18);
}
.card-badge.red {
  background: rgba(239, 68, 68, 0.10);
  color: var(--color-accent-red);
  border: 1px solid rgba(239, 68, 68, 0.18);
}
.card-badge.purple {
  background: rgba(139, 92, 246, 0.10);
  color: var(--color-accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.card-badge .badge-icon { font-size: 13px; }

/* 卡片内容 */
.card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: 20px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* 卡片特性列表 */
.card-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
  position: relative;
  z-index: 1;
}
.card-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
  padding: 4px 0;
}
.card-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.7;
}

/* 卡片按钮组 */
.card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: auto;
  position: relative;
  z-index: 1;
}

/* ===== 按钮 (Buttons) - 立体高光 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  font-family: var(--font-body);
  letter-spacing: 0.1px;
}
.btn:active { transform: scale(0.97); }

/* 主按钮 - 靛蓝渐变 + 高光 */
.btn-primary {
  background: var(--color-primary-gradient);
  color: white;
  box-shadow:
    var(--shadow-primary),
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, transparent 100%);
  pointer-events: none;
}
.btn-primary:hover {
  box-shadow:
    0 8px 24px rgba(var(--color-primary-rgb), 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.30),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

/* 次按钮 - 蓝色实心 */
.btn-secondary {
  background: var(--color-accent-blue);
  color: white;
  box-shadow:
    0 2px 8px rgba(59, 130, 246, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 rgba(0, 0, 0, 0.12);
}
.btn-secondary:hover {
  box-shadow:
    0 6px 18px rgba(59, 130, 246, 0.40),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

/* 次按钮 - 绿色描边 */
.btn-success-outline {
  background: transparent;
  color: var(--color-accent-green);
  border: 1.5px solid var(--color-accent-green);
}
.btn-success-outline:hover {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--color-accent-green);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.18);
}

/* 幽灵按钮 - 灰色描边 */
.btn-ghost {
  background: var(--bg-white);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-color);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.04);
}

/* 小按钮 */
.btn-sm {
  padding: 6px 14px;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

/* 危险按钮 */
.btn-danger {
  background: var(--color-accent-red);
  color: white;
  box-shadow:
    0 2px 8px rgba(239, 68, 68, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn-danger:hover {
  box-shadow:
    0 6px 18px rgba(239, 68, 68, 0.40),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

/* Ripple 点击效果 */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleEffect 0.5s ease-out;
  pointer-events: none;
}
@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

/* ===== 标签/徽章 (Tags/Badges) ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.6;
}
.tag-new {
  background: rgba(245, 158, 11, 0.12);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.25);
}
.tag-hot {
  background: rgba(239, 68, 68, 0.10);
  color: var(--color-accent-red);
  border: 1px solid rgba(239, 68, 68, 0.18);
}
.tag-info {
  background: rgba(59, 130, 246, 0.10);
  color: var(--color-accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.18);
}

/* ===== 公告列表 (Notice List) ===== */
.notice-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.notice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--divider-color);
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-secondary) 100%);
}
.notice-header h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.notice-header .view-all {
  font-size: var(--text-sm);
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 600;
  transition: opacity var(--transition-fast);
}
.notice-header .view-all:hover { opacity: 0.7; text-decoration: underline; }
.notice-header .notice-count {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--bg-input);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-left: 8px;
}

.notice-list { padding: 4px 0; }
.notice-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}
.notice-item:hover { background: var(--bg-input); }
.notice-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.notice-item:hover::before { opacity: 1; }
.notice-tag { flex-shrink: 0; }
.notice-content { flex: 1; min-width: 0; }
.notice-title {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.notice-time {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  flex-shrink: 0;
  font-family: var(--font-mono);
}

/* ===== 占位卡片 (Placeholder Card) ===== */
.placeholder-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  gap: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.placeholder-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(var(--color-primary-rgb), 0.04) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.placeholder-card:hover {
  border-color: var(--color-primary);
  border-style: solid;
  background: rgba(var(--color-primary-rgb), 0.02);
  transform: translateY(-2px);
}
.placeholder-card:hover::before { opacity: 1; }
.placeholder-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-tertiary);
  transition: all var(--transition-base);
  border: 1.5px dashed var(--border-color);
  position: relative;
  z-index: 1;
}
.placeholder-card:hover .placeholder-icon {
  background: var(--color-primary-gradient);
  color: white;
  transform: scale(1.08);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}
.placeholder-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.5;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.placeholder-sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

/* ===== 模态框 (Modal) ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  animation: overlayIn 0.2s ease;
  padding: var(--space-lg);
}
.modal-overlay.closing { animation: overlayOut 0.2s ease forwards; }

@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes overlayOut { to { opacity: 0; } }

.modal-dialog {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color-light);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalSlideUp 0.35s var(--ease-spring);
}
.modal-overlay.modal-lg .modal-dialog {
  max-width: 960px;
  max-height: 92vh;
}
.modal-overlay.modal-xl .modal-dialog {
  max-width: 96vw;
  width: 96vw;
  max-height: 96vh;
  height: 96vh;
}
.modal-overlay.modal-sm .modal-dialog {
  max-width: 480px;
}
.modal-overlay.modal-xs .modal-dialog {
  max-width: 360px;
}
.modal-overlay.closing .modal-dialog { animation: modalSlideDown 0.2s ease forwards; }

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes modalSlideDown {
  to { opacity: 0; transform: translateY(12px) scale(0.96); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px 0;
}
.modal-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.modal-close {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 20px;
  border: none;
  background: none;
}
.modal-close:hover {
  background: var(--bg-input);
  color: var(--color-accent-red);
}

.modal-body { padding: 18px 26px; overflow-y: auto; flex: 1; min-height: 0; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: 16px 26px 22px;
  border-top: 1px solid var(--border-color-light);
  background: var(--bg-secondary);
  flex-shrink: 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ===== 表单组件 (Form Elements) ===== */
.form-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 7px;
  letter-spacing: -0.01em;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}
.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--border-color);
  background: var(--bg-white);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.10);
  background: var(--bg-white);
}
.form-textarea { resize: vertical; min-height: 90px; }

/* ===== 表格 (Table) ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table thead {
  background: var(--bg-input);
}
.data-table th {
  padding: 13px 16px;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border-color-light);
}
.data-table td {
  padding: 13px 16px;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-color-light);
  color: var(--text-primary);
}
.data-table tbody tr {
  transition: background var(--transition-fast);
}
.data-table tbody tr:hover { background: rgba(var(--color-primary-rgb), 0.03); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ===== 状态标签 (Status Badge) ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.status-pending { background: rgba(245, 158, 11, 0.12); color: #B45309; }
.status-processing { background: rgba(59, 130, 246, 0.12); color: var(--color-accent-blue); }
.status-published { background: rgba(16, 185, 129, 0.12); color: #059669; }
.status-failed { background: rgba(239, 68, 68, 0.12); color: var(--color-accent-red); }
.status-cancelled { background: rgba(148, 163, 184, 0.12); color: #64748B; }

/* ===== 空状态 (Empty State) ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--text-tertiary);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: var(--space-md); opacity: 0.4; }
.empty-state p { font-size: var(--text-sm); }

/* ===== Toast 提示 ===== */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 20px);
  right: 24px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  padding: 13px 20px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.toast.success { background: rgba(236, 253, 245, 0.96); color: #065F46; border-left: 3px solid var(--color-accent-green); }
.toast.error { background: rgba(254, 242, 242, 0.96); color: #991B1B; border-left: 3px solid var(--color-accent-red); }
.toast.info { background: rgba(239, 246, 255, 0.96); color: #1E40AF; border-left: 3px solid var(--color-accent-blue); }
.toast.warning { background: rgba(255, 251, 235, 0.96); color: #92400E; border-left: 3px solid #F59E0B; }
.toast.removing { animation: toastOut 0.25s ease forwards; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(40px); }
}