/* ============================================
   安全用药小侦探 — 共享样式表
   暗色渐变 · 霓虹主题 · 毛玻璃卡片 · 微动效
   ============================================ */

/* ---- CSS 自定义属性（主题色） ---- */
:root {
  --color-bg-start: #b8e6e8;
  --color-bg-end: #d4f0f2;
  --color-primary: #00d4ff;
  --color-secondary: #4fc3f7;
  --color-accent: #80deea;
  --color-text: #1a2a3a;
  --color-text-dim: #4a5a6a;
  --color-card-bg: rgba(255, 255, 255, 0.55);
  --color-card-border: rgba(200, 220, 230, 0.5);
  --color-glass: rgba(255, 255, 255, 0.4);
  --color-danger: #ff6b6b;
  --color-warning: #ffe066;
  --color-success: #69f0ae;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- 全局重置 ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: linear-gradient(135deg, var(--color-bg-start), var(--color-bg-end));
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 20px;
}

/* ---- 渐变标题 ---- */
.gradient-title {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.gradient-title-sm {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}

/* ---- 导航栏 ---- */
.nav-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 12px 20px;
  background: var(--color-glass);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-card-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-bar a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
}

.nav-bar a:hover {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.12);
}

.nav-bar .nav-home {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
}

/* ---- 卡片 ---- */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: #fff;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #0097c4);
  color: #0a0e27;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(0, 229, 160, 0.35);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), #7c4dff);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(179, 136, 255, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #d32f2f);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 82, 82, 0.35);
}

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

/* ---- 输入框 ---- */
input, select, textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-btn);
  color: var(--color-text);
  padding: 10px 14px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
}

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

/* ---- 标签 / 徽章 ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-green { background: rgba(105, 240, 174, 0.2); color: var(--color-success); }
.badge-purple { background: rgba(179, 136, 255, 0.2); color: var(--color-secondary); }
.badge-pink { background: rgba(255, 110, 199, 0.2); color: var(--color-accent); }
.badge-red { background: rgba(255, 82, 82, 0.2); color: var(--color-danger); }
.badge-yellow { background: rgba(255, 215, 64, 0.2); color: var(--color-warning); }

/* ---- 反馈消息 ---- */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  z-index: 9999;
  animation: slideIn 0.3s ease-out;
  max-width: 360px;
}

.toast-success { background: rgba(105, 240, 174, 0.9); color: #0a0e27; }
.toast-error { background: rgba(255, 82, 82, 0.9); color: #fff; }
.toast-info { background: rgba(179, 136, 255, 0.9); color: #fff; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---- 页面容器 ---- */
.page-container {
  max-width: 960px;
  margin: 0 auto;
}

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

.page-header p {
  color: var(--color-text-dim);
  font-size: 1.05rem;
}

/* ---- 返回顶部 ---- */
.back-home {
  display: inline-block;
  margin-top: 32px;
  color: #008ba3;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 800;
  transition: var(--transition);
}

.back-home:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(0,212,255,0.6);
}

/* ---- 响应式 ---- */
@media (max-width: 640px) {
  body { padding: 12px; }
  .gradient-title { font-size: 1.6rem; }
  .gradient-title-sm { font-size: 1.2rem; }
  .card-grid { grid-template-columns: 1fr; }
  .nav-bar { gap: 6px; padding: 10px 14px; }
  .nav-bar a { font-size: 0.8rem; padding: 4px 10px; }
  .card { padding: 16px; }
}

/* ---- 药品搜索弹窗 ---- */
#drugSearchModal input::placeholder { color: var(--color-text-dim); }
#drugSearchResults::-webkit-scrollbar { width: 6px; }
#drugSearchResults::-webkit-scrollbar-thumb { background: var(--color-card-border); border-radius: 3px; }

/* ---- 脉冲动画（用于重要提示） ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 229, 160, 0.2); }
  50% { box-shadow: 0 0 24px rgba(0, 229, 160, 0.5); }
}

.pulse {
  animation: pulse-glow 2s ease-in-out infinite;
}