/* 基础重置与变量 - 奶龙配色 */
:root {
  /* 奶龙主题色 */
  --nailong-yellow: #FFD93D;
  --nailong-yellow-hover: #F5C700;
  --nailong-blue: #6BCBFF;
  --nailong-cream: #FFF9F0;
  --nailong-dark: #2D3142;
  --nailong-gray: #F0F4F8;
  --nailong-orange: #FF8C42;
  --nailong-green: #4CD964;

  /* 语义化映射 */
  --primary: var(--nailong-yellow);
  --primary-hover: var(--nailong-yellow-hover);
  --secondary: var(--nailong-blue);
  --success: var(--nailong-green);
  --warning: var(--nailong-orange);
  --bg: var(--nailong-cream);
  --card-bg: var(--nailong-gray);
  --text: var(--nailong-dark);
  --text-secondary: #5a6070;
  --border: #E6E0D6;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(45, 49, 66, 0.08), 0 2px 4px -2px rgba(45, 49, 66, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 顶部导航 */
.header {
  background-color: var(--primary);
  border-bottom: 1px solid rgba(45, 49, 66, 0.08);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  margin: 0;
  font-size: 1.25rem;
  color: var(--text);
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  opacity: 0.85;
}

.search-box {
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-input {
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: 24px;
  font-size: 0.95rem;
  background-color: #fff;
  color: var(--text);
  width: 220px;
  outline: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(255, 217, 61, 0.3);
}

.search-input::placeholder {
  color: #999;
}

.btn-search {
  padding: 10px 20px;
  border: 2px solid var(--primary);
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--primary);
  color: var(--text);
  transition: all 0.25s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-search:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

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

.nav-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* 顶部操作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 卡片通用样式 */
.admin-card,
.gallery-section {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-top: 24px;
}

.gallery-section {
  margin-bottom: 40px;
}

/* 表单 */
.upload-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="file"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background-color: #fff;
  color: var(--text);
}

.form-tip {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 按钮 */
.btn {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s, transform 0.1s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text);
  box-shadow: 0 2px 0 rgba(45, 49, 66, 0.1);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg);
}

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

.btn-success:hover:not(:disabled) {
  background-color: #3CC050;
}

.btn-danger {
  background-color: var(--warning);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background-color: #E87A32;
}

/* 消息提示 */
.message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
}

.message.success {
  background-color: rgba(76, 217, 100, 0.12);
  color: #2A9E3D;
}

.message.error {
  background-color: rgba(255, 140, 66, 0.12);
  color: #C65A1E;
}

.hidden {
  display: none !important;
}

/* 上传模态框 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(45, 49, 66, 0.5);
}

.modal-content {
  position: relative;
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 20px 25px -5px rgba(45, 49, 66, 0.12), 0 8px 10px -6px rgba(45, 49, 66, 0.1);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  margin: 16px;
  animation: modal-slide-in 0.2s ease-out;
}

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

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

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--text);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 4px;
}

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

/* 图片画廊 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  /* gap: 20px; */
  margin-top: 16px;
}

.image-card {
  background-color: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.image-card img {
  cursor: pointer;
  transition: transform 0.3s ease;
}

.image-card img {
  cursor: pointer;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  background: var(--card-bg);
  min-height: 100px;
}

.image-card img[src] {
  opacity: 1;
}

.image-card img:hover {
  transform: scale(1.05);
}

.image-card:hover {
  transform: translateY(-4px);
}

.image-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.image-card .image-title {
  padding: 12px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.image-card .image-time {
  padding: 0 12px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.loading,
.no-more {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
}

/* 审核页 */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-header h2 {
  margin: 0;
  color: var(--text);
}

.pending-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pending-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: #fff;
}

.pending-item img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.pending-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.pending-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  word-break: break-all;
  color: var(--text);
}

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

.pending-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
}

/* 图片预览模态框 */
.image-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.9);
  animation: fadeIn 0.25s ease;
}

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

.image-preview-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.image-preview-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.image-preview-title {
  margin-top: 16px;
  color: #fff;
  font-size: 1.1rem;
  text-align: center;
}

.image-preview-close {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.image-preview-close:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* 加载动画 */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(45, 49, 66, 0.1);
  border-left-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

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

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: 24px;
  color: #fff;
  font-weight: 500;
  box-shadow: var(--shadow);
  z-index: 1000;
}

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

.toast.error {
  background-color: var(--warning);
}

/* 响应式 */
@media (max-width: 600px) {
  .pending-item {
    flex-direction: column;
  }

  .pending-item img {
    width: 100%;
    height: 200px;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}