/* ==========================================
   1. 导入字体与全局变量定义
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --bg-color: #0d0e12;
  --panel-bg: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.07);
  --text-main: #f5f5f7;
  --text-muted: #9a9ab0;
  --accent-cooking: #d4af37; /* 香槟金 */
  --accent-cooking-glow: rgba(212, 175, 55, 0.2);
  --accent-bartending: #ff2a85; /* 霓虹粉 */
  --accent-bartending-glow: rgba(255, 42, 133, 0.25);
  --glass-blur: blur(16px);
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
}

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 42, 133, 0.05) 0%, transparent 40%);
  background-attachment: fixed;
}

/* ==========================================
   2. 头部导航与标题
   ========================================== */
header {
  padding: 2.5rem 2rem 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.logo-section {
  text-align: center;
}

.logo-section h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 30%, #a5a5b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.logo-section p {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 1px;
}

/* ==========================================
   3. 主控制器区域（过滤分类 + 添加按钮）
   ========================================== */
.controls-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.filter-tabs {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 6px;
  border-radius: 40px;
  display: flex;
  gap: 4px;
  backdrop-filter: var(--glass-blur);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: inherit;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.add-btn {
  background: linear-gradient(135deg, var(--accent-cooking) 0%, var(--accent-bartending) 100%);
  border: none;
  color: #fff;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255, 42, 133, 0.3);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
}

.add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 42, 133, 0.45);
}

.add-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

/* ==========================================
   4. 卡片展示网格
   ========================================== */
.grid-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem 2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.item-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}

.item-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.item-card.cooking:hover {
  box-shadow: 0 20px 40px var(--accent-cooking-glow), 0 0 1px var(--accent-cooking);
}

.item-card.bartending:hover {
  box-shadow: 0 20px 40px var(--accent-bartending-glow), 0 0 1px var(--accent-bartending);
}

.card-img-wrapper {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.item-card:hover .card-img-wrapper img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cooking .card-badge {
  background: rgba(212, 175, 55, 0.25);
  text-shadow: 0 0 8px var(--accent-cooking);
}

.bartending .card-badge {
  background: rgba(255, 42, 133, 0.25);
  text-shadow: 0 0 8px var(--accent-bartending);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.cooking:hover .card-title {
  color: var(--accent-cooking);
}

.bartending:hover .card-title {
  color: var(--accent-bartending);
}

.card-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 300;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ==========================================
   5. 模态框与表单
   ========================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(8, 9, 12, 0.85);
  backdrop-filter: blur(20px);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #14161f;
  border: 1px solid var(--panel-border);
  width: 100%;
  max-width: 500px;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  transform: scale(0.95) translateY(10px);
  transition: var(--transition-smooth);
  position: relative;
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--text-main);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 24px;
  height: 24px;
}

.modal h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input[type="text"]:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
}

.file-upload-wrapper {
  position: relative;
  width: 100%;
  height: 120px;
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.file-upload-wrapper:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.02);
}

.file-upload-wrapper input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  margin-bottom: 8px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.file-upload-wrapper:hover .upload-icon {
  transform: translateY(-2px);
  color: var(--text-main);
}

.upload-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.upload-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: calc(var(--border-radius-md) - 2px);
  object-fit: cover;
  display: none;
}

.form-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
}

.btn-secondary {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 12px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: inherit;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
  flex: 1.5;
  background: linear-gradient(135deg, var(--accent-cooking) 0%, var(--accent-bartending) 100%);
  border: none;
  color: #fff;
  padding: 12px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: inherit;
  box-shadow: 0 4px 15px rgba(255, 42, 133, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(255, 42, 133, 0.4);
}

/* ==========================================
   6. 极致手机端深度适配 (Media Queries 必须放最末尾以确保覆盖优先级)
   ========================================== */
@media (max-width: 768px) {
  header {
    padding: 2rem 1rem 1rem 1rem;
  }
  
  .logo-section h1 {
    font-size: 2.1rem;
  }
  
  .logo-section p {
    font-size: 0.9rem;
  }
  
  /* 头部控制器布局优化：给底部悬浮按钮让路 */
  .controls-container {
    padding: 0 1rem 1.5rem 1rem;
    justify-content: center;
  }
  
  .filter-tabs {
    width: 100%;
    justify-content: space-around;
  }
  
  .tab-btn {
    flex: 1;
    text-align: center;
    padding: 8px 12px;
    font-size: 0.9rem;
  }
  
  /* 手机端转化为：右下角极具质感的悬浮添加按钮 (Floating Action Button) */
  .add-btn {
    position: fixed;
    bottom: 28px;
    right: 24px;
    z-index: 99;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    padding: 0;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 30px rgba(255, 42, 133, 0.45);
    /* 隐藏文字，只留加号图标 */
    font-size: 0;
  }
  
  .add-btn svg {
    width: 24px;
    height: 24px;
    margin: 0;
  }
  
  .grid-section {
    padding: 0 1rem 5rem 1rem; /* 底部增加 padding 避免卡片内容被悬浮按钮遮挡 */
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  /* 手机端模态框优化：改用抽屉式底部滑出设计，防内容截断，支持平滑滚动 */
  .modal {
    align-items: flex-end;
  }
  
  .modal-content {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 2rem 1.5rem 3rem 1.5rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    border-bottom: none;
    max-height: 88vh; /* 限制最大高度，留出顶部边缘以示仍是模态框 */
    overflow-y: auto; /* 允许超出时在内部滚动 */
    -webkit-overflow-scrolling: touch; /* iOS 惯性滚动 */
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .modal.active .modal-content {
    transform: translateY(0);
  }
  
  .modal-close {
    top: 20px;
    right: 20px;
  }
  
  /* 解决 iOS 浏览器上输入框字体小于 16px 导致聚焦自动放大的问题 */
  .form-group input[type="text"],
  .form-group textarea,
  .form-group select {
    font-size: 16px;
    padding: 14px 16px; /* 适当增大触控大小 */
  }
  
  .file-upload-wrapper {
    height: 110px;
  }
}