/* ===== NeuroICU-AI v3.0 深色医疗主题 ===== */
/* 重写人：死吓2 | 2026-04-13 | 深色专业医疗风格 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── 颜色系统 ── */
  --primary:       #06b6d4;   /* 青色主色（医疗专业感） */
  --primary-dim:    #0891b2;   /* 深青 */
  --primary-glow:   rgba(6,182,212,.18);
  --primary-light:  rgba(6,182,212,.12);

  --accent:        #8b5cf6;   /* 紫色强调（AI智能感） */
  --accent-light:  rgba(139,92,246,.12);

  --teal:          #14b8a6;
  --teal-light:    rgba(20,184,166,.12);

  --danger:         #ef4444;
  --danger-light:   rgba(239,68,68,.12);
  --danger-glow:    rgba(239,68,68,.2);

  --warning:        #f59e0b;
  --warning-light:  rgba(245,158,11,.12);

  --success:        #10b981;
  --success-light:  rgba(16,185,129,.12);

  --pink:           #ec4899;   /* 步骤/操作高亮 */

  /* ── 背景与卡片 ── */
  --bg:             #060d1a;   /* 深空蓝黑 */
  --bg-surface:     #0a1628;   /* 卡片底色 */
  --bg-card:        #0f2040;   /* 内容卡片 */
  --bg-elevated:    #162640;   /* 高亮卡片/hover */
  --bg-input:       #0d1f38;   /* 输入框背景 */

  /* ── 边框 ── */
  --border:         rgba(6,182,212,.15);
  --border-light:   rgba(6,182,212,.08);
  --border-card:    rgba(255,255,255,.06);

  /* ── 文字 ── */
  --text:           #f1f5f9;   /* 主文字 */
  --text-secondary: #94a3b8;   /* 次级文字 */
  --text-muted:     #64748b;   /* 辅助/备注 */
  --text-dim:       #475569;   /* 极暗文字 */

  /* ── 阴影 ── */
  --shadow-sm:      0 1px 3px rgba(0,0,0,.4);
  --shadow:         0 2px 8px rgba(0,0,0,.5), 0 0 0 1px rgba(6,182,212,.05);
  --shadow-md:      0 4px 16px rgba(0,0,0,.6), 0 0 0 1px rgba(6,182,212,.08);
  --shadow-lg:      0 8px 32px rgba(0,0,0,.7), 0 0 40px rgba(6,182,212,.06);
  --shadow-glow:    0 0 20px rgba(6,182,212,.15);

  /* ── 圆角 ── */
  --radius:         12px;
  --radius-sm:      8px;
  --radius-xs:      6px;

  /* ── 字体 ── */
  --font:           'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-mono:      'JetBrains Mono','Fira Code','Consolas',monospace;

  /* ── 间距 ── */
  --header-h:       58px;
}

/* ===== 基础重置 ===== */
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* 微妙背景纹理 */
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(6,182,212,.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(139,92,246,.04) 0%, transparent 50%);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.08); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.15); }

/* ===== HERO BANNER（标题横幅） ===== */
/* ===== HERO BANNER（顶部大字横幅） ===== */
.hero-banner {
  text-align: center;
  padding: 28px 24px 24px;
  background: linear-gradient(180deg, rgba(6,182,212,.08) 0%, transparent 100%);
  border-bottom: 1px solid rgba(6,182,212,.1);
  position: relative;
  overflow: hidden;
}
.hero-banner::before, .hero-banner::after {
  content: '';
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 200px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,.3), transparent);
}
.hero-banner::before { left: 0; }
.hero-banner::after  { right: 0; }

.hero-title {
  font-size: 28px; font-weight: 800;
  letter-spacing: 2px; line-height: 1.3;
  color: var(--text);
  margin-bottom: 8px;
  text-shadow: 0 0 30px rgba(6,182,212,.2);
}
.hero-title .hero-icon {
  font-size: 32px; vertical-align: middle; margin-right: 10px;
  filter: drop-shadow(0 0 10px rgba(6,182,212,.5));
}
.hero-sub {
  font-size: 13px; color: var(--text-muted); font-weight: 400; letter-spacing: 1px;
}

/* ===== HEADER（精简版，左侧Logo + 右侧导航） ===== */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: linear-gradient(180deg, #0a1628 0%, rgba(6,13,26,.97) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,.5), 0 1px 0 rgba(6,182,212,.1);
  height: 58px;
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1320px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}

.logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--text); text-decoration: none; flex-shrink: 0;
}
.logo:hover { text-decoration: none; }
.logo-icon { font-size: 26px; line-height: 1; filter: drop-shadow(0 0 6px rgba(6,182,212,.4)); }
.logo-text h1 {
  font-size: 16px; font-weight: 800;
  letter-spacing: -0.3px; line-height: 1.2;
  background: linear-gradient(135deg, #f1f5f9 30%, #06b6d4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-text p { font-size: 10px; color: var(--text-muted); font-weight: 400; letter-spacing: .5px; }

/* 导航 */
.header-nav { display: flex; gap: 2px; }
.nav-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  transition: all .2s; white-space: nowrap;
}
.nav-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--border);
  text-decoration: none;
}
.nav-btn.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: rgba(6,182,212,.3);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(6,182,212,.1);
}
.nav-btn .nav-icon { font-size: 16px; }
.nav-refresh {
  opacity: 0.5;
  padding: 7px 10px !important;
}
.nav-refresh:hover { opacity: 1; }

/* 登录按钮 */
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.btn-login {
  padding: 7px 18px; border-radius: var(--radius-sm);
  border: 1.5px solid rgba(6,182,212,.4);
  background: transparent;
  color: var(--primary); font-size: 13px; font-weight: 600;
  transition: all .2s;
}
.btn-login:hover {
  background: var(--primary-light);
  box-shadow: 0 0 12px rgba(6,182,212,.15);
}
.btn-login.logged-in {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(6,182,212,.2);
}
.btn-login.logged-in:hover { background: var(--primary-dim); }

/* ===== 主容器 ===== */
.main { max-width: 1320px; margin: 0 auto; padding: 32px 24px 80px; }

/* ===== 页面标题 ===== */
.page-header { margin-bottom: 28px; }
.page-header h2 {
  font-size: 22px; font-weight: 700; color: var(--text);
  margin: 0 0 6px 0; line-height: 1.3;
}
.page-header p { font-size: 14px; color: var(--text-secondary); }

/* ===== 通用卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s;
}
.card:hover {
  border-color: rgba(6,182,212,.2);
  box-shadow: var(--shadow-md);
}

/* ===== 侧边栏 ===== */
.content-layout { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }

.sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: sticky; top: calc(var(--header-h) + 16px);
}
.sidebar-header {
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--primary-dim) 0%, rgba(6,13,26,.9) 100%);
  color: #fff; font-size: 13px; font-weight: 600;
  letter-spacing: .3px;
  border-bottom: 1px solid rgba(6,182,212,.2);
}
.sidebar-search { padding: 10px; border-bottom: 1px solid var(--border); }
.sidebar-search input {
  width: 100%; padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 13px;
  background: var(--bg-input);
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}
.sidebar-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.sidebar-category { border-bottom: 1px solid var(--border-light); }
.sidebar-category:last-child { border-bottom: none; }
.cat-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: transparent; border: none;
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  cursor: pointer; transition: background .15s, color .15s; text-align: left;
}
.cat-header:hover { background: var(--primary-light); color: var(--primary); }
.cat-icon { margin-right: 6px; }
.cat-count { font-size: 11px; color: var(--text-muted); font-weight: 400; margin-left: auto; }
.cat-toggle { font-size: 11px; color: var(--text-muted); transition: transform .2s; flex-shrink: 0; }
.cat-header:hover .cat-toggle { color: var(--primary); }
.sidebar-category.open .cat-toggle { transform: rotate(180deg); }
.cat-items { display: none; padding: 4px 0 6px; }
.sidebar-category.open .cat-items { display: block; }
.cat-item {
  display: block; width: 100%; padding: 7px 14px 7px 36px;
  background: transparent; border: none; text-align: left;
  font-size: 13px; color: var(--text-muted); cursor: pointer;
  transition: all .12s; border-radius: 0;
}
.cat-item:hover { background: var(--primary-light); color: var(--primary); }
.cat-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }

/* ===== 右侧内容区 ===== */
.content-area {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  min-height: 400px;
}
.score-title { margin-bottom: 4px; }
.score-title h3 { font-size: 22px; font-weight: 700; color: var(--text); }
.score-en { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 10px; }
.score-desc {
  font-size: 14px; color: var(--text-secondary);
  margin-bottom: 22px; padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
  line-height: 1.7;
}

/* ===== 评分参数 ===== */
.score-params { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 22px; }
.param-group { display: flex; flex-direction: column; gap: 6px; }
.param-group.full { grid-column: 1 / -1; }
.param-label { font-size: 14px; font-weight: 600; color: var(--text-secondary); letter-spacing: .2px; }
.param-hint { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); }
.param-select, .param-input {
  padding: 10px 12px;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-xs);
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.param-select:focus, .param-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-elevated);
}
.param-input.error { border-color: var(--danger); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--radius-sm);
  border: none; font-size: 14px; font-weight: 600;
  transition: all .18s; cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(6,182,212,.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #22d3ee 0%, var(--primary) 100%);
  box-shadow: 0 4px 16px rgba(6,182,212,.4);
  transform: translateY(-1px);
}
.btn-secondary { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(6,182,212,.2); }
.btn-secondary:hover { background: rgba(6,182,212,.18); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-card);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: rgba(6,182,212,.4); color: var(--primary); }
.btn-danger { background: var(--danger-light); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.btn-danger:hover { background: rgba(239,68,68,.18); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 13px 32px; font-size: 15px; }

/* ===== 评分结果 ===== */
.score-result { display: none; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border-light); }
.score-result.show { display: block; }
.result-bar-wrap { margin-bottom: 14px; }
.result-bar { height: 10px; border-radius: 99px; background: rgba(255,255,255,.06); overflow: hidden; }
.result-bar-fill { height: 100%; border-radius: 99px; transition: width .6s cubic-bezier(.4,0,.2,1); }
.result-bar-fill.normal  { background: linear-gradient(90deg, #14b8a6, #10b981); }
.result-bar-fill.warning { background: linear-gradient(90deg, #f59e0b, #eab308); }
.result-bar-fill.danger  { background: linear-gradient(90deg, #ef4444, #dc2626); }
.result-total {
  font-size: 40px; font-weight: 800;
  font-family: var(--font-mono);
  color: var(--primary);
  line-height: 1.1; margin-bottom: 6px;
}
.result-total span { font-size: 16px; font-weight: 500; color: var(--text-muted); }
.result-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 14px; border-radius: 99px;
  font-size: 14px; font-weight: 600;
}
.result-badge.normal  { background: var(--success-light); color: var(--success); }
.result-badge.warning { background: var(--warning-light); color: var(--warning); }
.result-badge.danger  { background: var(--danger-light); color: var(--danger); }
.result-detail {
  margin-top: 14px;
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== 计算器侧边栏列表（基础样式） ===== */
.section-group { margin-bottom: 6px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border-light); }
.section-group-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-light);
  transition: background .15s;
  user-select: none;
}
.section-group-header:hover { background: var(--primary-light); color: var(--primary); }
.section-group-count { font-size: 11px; color: var(--text-muted); font-weight: 400; margin-left: auto; }
.section-group-toggle { font-size: 11px; color: var(--text-muted); transition: transform .2s; flex-shrink: 0; }
.section-group.open .section-group-toggle { transform: rotate(180deg); }
.section-group-body { display: none; padding: 4px 0; background: var(--bg-card); }
.section-group.open .section-group-body { display: block; }
.calc-item {
  display: block; width: 100%; padding: 8px 14px 8px 30px;
  background: transparent; border: none; text-align: left;
  font-size: 13px; color: var(--text-muted); cursor: pointer;
  transition: all .12s; border-radius: 0;
}
.calc-item:hover { background: var(--primary-light); color: var(--primary); }
.calc-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.calc-item-name { font-size: 13px; font-weight: 600; color: var(--text); }
.calc-item-desc { font-size: 11px; color: var(--text-muted); margin-top: 2px; line-height: 1.4; }

/* ===== 临床提示中的文字高亮 ===== */
.result-detail strong { color: var(--text); }
.clinical-point {
  margin-top: 14px; padding: 14px 16px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  font-size: 14px; color: #67e8f9;
  line-height: 1.65;
}
.clinical-point strong { font-weight: 700; color: #a5f3fc; }

/* ===== 指南页面 ===== */
.search-hero {
  background: linear-gradient(135deg, rgba(6,182,212,.2) 0%, rgba(139,92,246,.15) 50%, rgba(6,13,26,.8) 100%);
  border: 1px solid rgba(6,182,212,.2);
  border-radius: var(--radius);
  padding: 40px 36px; margin-bottom: 28px;
  color: var(--text); text-align: center;
  box-shadow: 0 4px 24px rgba(6,182,212,.08);
}
.search-hero h2 { font-size: 26px; font-weight: 800; margin-bottom: 8px; letter-spacing: -.5px; }
.search-hero p { font-size: 14px; color: var(--text-secondary); margin-bottom: 22px; }
.search-box-wrap { display: flex; max-width: 580px; margin: 0 auto; gap: 10px; }
.search-box {
  flex: 1; padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(6,182,212,.25);
  font-size: 15px; outline: none;
  background: var(--bg-card);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  transition: border-color .15s, box-shadow .15s;
}
.search-box:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.search-box::placeholder { color: var(--text-muted); }
.search-btn {
  padding: 12px 24px; border-radius: var(--radius-sm);
  border: 1px solid rgba(6,182,212,.3);
  background: var(--primary);
  color: #fff; font-size: 14px; font-weight: 700;
  transition: all .18s; white-space: nowrap;
  box-shadow: 0 2px 8px rgba(6,182,212,.3);
}
.search-btn:hover {
  background: linear-gradient(135deg, #22d3ee 0%, var(--primary) 100%);
  box-shadow: 0 4px 16px rgba(6,182,212,.5);
  transform: translateY(-1px);
}

.sources-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.source-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none; color: var(--text);
  transition: all .18s;
  box-shadow: var(--shadow-sm);
}
.source-card:hover {
  border-color: rgba(6,182,212,.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
  background: var(--bg-elevated);
}
.source-icon { font-size: 28px; flex-shrink: 0; }
.source-info h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.source-info p { font-size: 11px; color: var(--text-muted); }

/* ===== 计算工具 ===== */
.calc-result {
  margin-top: 16px; padding: 18px;
  background: var(--teal-light);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(20,184,166,.2);
  border-left: 3px solid var(--teal);
}
.calc-result-value { font-size: 32px; font-weight: 800; font-family: var(--font-mono); color: var(--teal); }
.calc-result-unit { font-size: 14px; color: var(--text-secondary); margin-left: 6px; }
.calc-result-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.calc-detail-rows { margin: 10px 0; border: 1px solid rgba(6,182,212,.2); border-radius: 8px; overflow: hidden; }
.calc-detail-row { display: flex; justify-content: space-between; padding: 7px 12px; background: rgba(6,182,212,.04); font-size: 13px; }
.calc-detail-row:not(:last-child) { border-bottom: 1px solid rgba(6,182,212,.1); }
.calc-detail-row span:first-child { color: var(--text-muted); }
.calc-detail-row span:last-child { font-family: var(--font-mono); color: var(--teal); font-weight: 600; }
.calc-detail-row.calc-detail-total { background: rgba(6,182,212,.12); font-weight: 700; }
.calc-detail-row.calc-detail-total span:first-child { color: var(--text-primary); }
.calc-detail-row.calc-detail-total span:last-child { font-size: 15px; }
.formula-box {
  background: rgba(6,182,212,.06);
  border: 1px solid rgba(6,182,212,.15);
  border-radius: var(--radius-xs);
  padding: 12px 16px;
  font-family: var(--font-mono); font-size: 13px;
  color: #67e8f9;
  margin-bottom: 16px;
  line-height: 1.7;
}

/* ===== AI分析 ===== */
.ai-welcome {
  text-align: center; padding: 72px 36px;
}
.ai-welcome-icon { font-size: 64px; margin-bottom: 20px; filter: drop-shadow(0 0 16px rgba(139,92,246,.4)); }
.ai-welcome h3 { font-size: 24px; font-weight: 800; color: var(--text); margin-bottom: 10px; letter-spacing: -.3px; }
.ai-welcome p { font-size: 15px; color: var(--text-secondary); margin-bottom: 28px; max-width: 460px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.ai-form { display: grid; gap: 20px; }

/* AI 表单分区标题（增大字体） */
.form-section {
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg-surface);
  transition: border-color .15s;
}
.form-section:hover { border-color: rgba(6,182,212,.15); }
.form-section-title {
  font-size: 16px; font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}
.form-section-title .form-section-icon { font-size: 18px; }

/* AI 表单字段 */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-row.single { grid-template-columns: 1fr; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: .2px;
}
.form-field input, .form-field select, .form-field textarea {
  padding: 10px 12px;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-xs);
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-elevated);
}
.form-field textarea { resize: vertical; min-height: 80px; }

/* AI checkbox 方格（增大间距） */
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(175px, 1fr)); gap: 8px; }
.check-chip {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 13px;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--border-card);
  background: var(--bg-input);
  cursor: pointer; transition: all .15s;
  font-size: 13px; color: var(--text-muted);
}
.check-chip:hover { border-color: rgba(6,182,212,.3); background: var(--primary-light); color: var(--primary); }
.check-chip:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.check-chip input { position: absolute; opacity: 0; width: 0; height: 0; }

/* AI 模型选择 */
.model-select { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 8px; margin-top: 10px; }
.model-btn {
  padding: 9px 14px; border-radius: var(--radius-xs);
  border: 1.5px solid var(--border-card);
  background: var(--bg-input);
  font-size: 13px; font-weight: 600;
  color: var(--text-muted); cursor: pointer; transition: all .15s; text-align: center;
}
.model-btn:hover { border-color: var(--primary); color: var(--primary); }
.model-btn.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

/* ===== AI 输出（专属深色设计语言） ===== */
.ai-output { margin-top: 24px; }

/* 六大输出板块 */
.ai-output-wrap { display: flex; flex-direction: column; gap: 16px; }
.ai-block {
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s, border-color .2s;
}
.ai-block:hover { box-shadow: var(--shadow-md); }

/* 六大板块色彩编码 */
.ai-block[data-type="clinical-analysis"] {
  background: rgba(6,182,212,.04);
  border: 1.5px solid rgba(6,182,212,.2);
}
.ai-block[data-type="clinical-analysis"] .ai-block-header {
  background: rgba(6,182,212,.1);
  border-bottom-color: rgba(6,182,212,.2);
  color: #22d3ee;
}

.ai-block[data-type="diagnosis"] {
  background: rgba(139,92,246,.04);
  border: 1.5px solid rgba(139,92,246,.2);
}
.ai-block[data-type="diagnosis"] .ai-block-header {
  background: rgba(139,92,246,.1);
  border-bottom-color: rgba(139,92,246,.2);
  color: #c4b5fd;
}

.ai-block[data-type="differential"] {
  background: rgba(245,158,11,.04);
  border: 1.5px solid rgba(245,158,11,.2);
}
.ai-block[data-type="differential"] .ai-block-header {
  background: rgba(245,158,11,.1);
  border-bottom-color: rgba(245,158,11,.2);
  color: #fcd34d;
}

.ai-block[data-type="treatment"] {
  background: rgba(236,72,153,.04);
  border: 1.5px solid rgba(236,72,153,.2);
}
.ai-block[data-type="treatment"] .ai-block-header {
  background: rgba(236,72,153,.1);
  border-bottom-color: rgba(236,72,153,.2);
  color: #f9a8d4;
}

.ai-block[data-type="scoring"] {
  background: rgba(20,184,166,.04);
  border: 1.5px solid rgba(20,184,166,.2);
}
.ai-block[data-type="scoring"] .ai-block-header {
  background: rgba(20,184,166,.1);
  border-bottom-color: rgba(20,184,166,.2);
  color: #5eead4;
}

.ai-block[data-type="disclaimer"] {
  background: rgba(239,68,68,.04);
  border: 1.5px solid rgba(239,68,68,.15);
}

.ai-block-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  font-size: 16px; font-weight: 700;
  border-bottom: 1.5px solid;
}
.ai-block-icon { font-size: 20px; }
.ai-block-body { padding: 20px; }

/* AI 输出文字 */
.ai-para {
  font-size: 15px; color: #cbd5e1;
  line-height: 1.85; margin: 0 0 10px 0;
}
.ai-para:last-child { margin-bottom: 0; }
.ai-para strong { color: var(--text); }
.ai-para em { color: #c4b5fd; font-style: italic; }

.ai-list-item {
  font-size: 14px; color: #cbd5e1;
  line-height: 1.8; padding: 5px 0 5px 4px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  display: flex; align-items: baseline; gap: 4px;
}
.ai-list-item:last-child { border-bottom: none; }
.ai-list-item strong { color: var(--text); font-weight: 600; }
.ai-list-item em { color: #c4b5fd; font-style: italic; }
.ai-list-num {
  display: inline-block; min-width: 22px;
  font-weight: 700; color: var(--primary);
  font-size: 13px; margin-right: 4px; flex-shrink: 0;
}
.ai-list-dash::before { content: '·'; color: var(--accent); margin-right: 6px; flex-shrink: 0; }

/* 诊断卡片 */
.ai-dx-item {
  background: rgba(139,92,246,.06);
  border: 1.5px solid rgba(139,92,246,.2);
  border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 14px;
}
.ai-dx-item:last-child { margin-bottom: 0; }
.ai-dx-title { font-size: 16px; font-weight: 700; color: #c4b5fd; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid rgba(139,92,246,.15); }
.ai-dx-reasons { display: flex; flex-direction: column; gap: 5px; }

/* 鉴别诊断卡片 */
.ai-diff-item {
  background: rgba(245,158,11,.05);
  border: 1.5px solid rgba(245,158,11,.2);
  border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px;
}
.ai-diff-item:last-child { margin-bottom: 0; }
.ai-diff-title { font-size: 14px; font-weight: 700; color: #fcd34d; margin-bottom: 8px; }
.ai-diff-detail { display: flex; flex-direction: column; gap: 4px; padding-left: 4px; }

/* 步骤卡片 */
.ai-step-item {
  display: flex; gap: 14px; align-items: flex-start;
  margin-bottom: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,.03);
  border: 1.5px solid rgba(255,255,255,.08);
  border-left: 3px solid var(--pink);
  border-radius: var(--radius);
}
.ai-step-item:last-child { margin-bottom: 0; }
.ai-step-num {
  flex-shrink: 0; min-width: 36px; text-align: center;
  font-size: 12px; font-weight: 700; color: #fff;
  background: var(--pink);
  border-radius: 6px; padding: 4px 8px;
}
.ai-step-body { flex: 1; min-width: 0; }

/* 表格 */
.ai-table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.08); margin: 4px 0; }
.ai-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ai-table th {
  background: rgba(20,184,166,.1);
  color: #5eead4; padding: 10px 14px;
  text-align: left; font-weight: 700;
  border-bottom: 2px solid rgba(20,184,166,.25); white-space: nowrap;
}
.ai-table td { padding: 9px 14px; color: #cbd5e1; border-bottom: 1px solid rgba(255,255,255,.05); line-height: 1.65; vertical-align: top; }
.ai-table td:first-child { font-weight: 600; color: var(--text); }
.ai-table td strong { color: var(--text); }
.ai-table tbody tr:last-child td { border-bottom: none; }
.ai-table tbody tr:hover td { background: rgba(20,184,166,.04); }

/* 免责声明 */
.ai-disclaimer-text {
  font-size: 13px; color: #94a3b8; line-height: 1.75;
  background: rgba(239,68,68,.05);
  border: 1px solid rgba(239,68,68,.15);
  border-radius: var(--radius-sm); padding: 14px 18px;
}

/* 错误提示 */
.ai-error-box {
  padding: 18px;
  background: rgba(239,68,68,.08);
  border-radius: var(--radius-sm);
  color: #fca5a5; font-size: 14px;
}

/* 加载动画 */
.ai-loading {
  display: flex; align-items: center; justify-content: center;
  padding: 48px 24px; gap: 10px;
  color: var(--text-secondary); font-size: 14px;
}
.ai-loading-dots { display: flex; gap: 6px; }
.ai-loading-dots span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: ai-pulse 1.4s ease-in-out infinite;
}
.ai-loading-dots span:nth-child(2) { animation-delay: .2s; }
.ai-loading-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes ai-pulse {
  0%, 80%, 100% { transform: scale(.6); opacity: .4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ===== 药物库 ===== */
.drugs-hero {
  background: linear-gradient(135deg, rgba(20,184,166,.15) 0%, rgba(6,182,212,.12) 100%);
  border: 1px solid rgba(20,184,166,.2);
  border-radius: var(--radius);
  padding: 32px 36px; margin-bottom: 28px;
  color: var(--text);
  box-shadow: 0 4px 20px rgba(20,184,166,.06);
}
.drugs-hero h2 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.drugs-hero p { font-size: 14px; color: var(--text-secondary); margin-bottom: 18px; }
.drugs-search { max-width: 500px; margin: 0 auto; }
.drugs-search input {
  width: 100%; padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(20,184,166,.25);
  font-size: 15px; outline: none;
  background: var(--bg-card); color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  transition: border-color .15s, box-shadow .15s;
}
.drugs-search input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20,184,166,.12);
}
.drugs-search input::placeholder { color: var(--text-muted); }
.drugs-cat-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 22px; }
.drug-tab {
  padding: 7px 16px; border-radius: 99px;
  border: 1.5px solid var(--border-card);
  background: var(--bg-input);
  font-size: 13px; font-weight: 600;
  color: var(--text-muted); cursor: pointer; transition: all .15s;
}
.drug-tab:hover { border-color: var(--teal); color: var(--teal); }
.drug-tab.active { background: var(--teal); border-color: var(--teal); color: #fff; box-shadow: 0 2px 8px rgba(20,184,166,.25); }
.drugs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.drug-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer; transition: all .18s;
  box-shadow: var(--shadow-sm);
}
.drug-card:hover {
  border-color: rgba(20,184,166,.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  background: var(--bg-elevated);
}
.drug-card-tag {
  display: inline-block; padding: 3px 10px;
  border-radius: 99px; font-size: 10px; font-weight: 700;
  margin-bottom: 8px;
}
.drug-card-tag.vasopressor { background: var(--danger-light); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.drug-card-tag.sedation { background: rgba(139,92,246,.1); color: #c4b5fd; border: 1px solid rgba(139,92,246,.2); }
.drug-card-tag.antibiotic { background: var(--success-light); color: var(--success); border: 1px solid rgba(16,185,129,.2); }
.drug-card-tag.anticoagulant { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(245,158,11,.2); }
.drug-card-tag.other { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(6,182,212,.2); }
.drug-name { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.drug-en { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 8px; }
.drug-indication { font-size: 13px; color: var(--text-secondary); line-height: 1.55; }
.drug-detail { display: none; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-light); }
.drug-card.open .drug-detail { display: block; }
.drug-card.open .drug-arrow { transform: rotate(180deg); }
.drug-arrow { float: right; font-size: 12px; color: var(--text-muted); transition: transform .2s; }
.drug-row { display: flex; gap: 10px; margin-bottom: 7px; font-size: 13px; }
.drug-row-label { font-weight: 700; color: var(--text-secondary); min-width: 76px; flex-shrink: 0; }
.drug-row-value { color: var(--text-secondary); line-height: 1.5; }
.drug-contraindication { color: var(--danger) !important; font-weight: 600; }

/* 50mL微量泵标签 */
.syringe-pump-tag {
  background: rgba(6,182,212,.12); color: var(--primary);
  font-size: 11px; padding: 2px 7px;
  border-radius: 4px; border: 1px solid rgba(6,182,212,.2);
  font-weight: 600; white-space: nowrap;
}
.drug-row-syringe {
  background: rgba(6,182,212,.06);
  border: 1px solid rgba(6,182,212,.15);
  border-radius: var(--radius-xs); padding: 12px;
}
.drug-row-syringe .drug-row-label { color: var(--primary); font-weight: 700; }

/* ===== 登录弹窗 ===== */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid rgba(6,182,212,.2);
  border-radius: var(--radius);
  padding: 32px; max-width: 420px; width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--border-card);
  background: var(--bg-elevated); font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all .15s;
}
.modal-close:hover { background: var(--danger-light); color: var(--danger); border-color: rgba(239,68,68,.2); }
.modal h3 { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.modal p { font-size: 13px; color: var(--text-secondary); margin-bottom: 22px; }
.modal-field { margin-bottom: 14px; }
.modal-field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 5px; }
.modal-field input { width: 100%; padding: 10px 13px; border: 1.5px solid var(--border-card); border-radius: var(--radius-xs); font-size: 14px; outline: none; background: var(--bg-input); color: var(--text); transition: border-color .15s, box-shadow .15s; }
.modal-field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.modal-demo { background: var(--primary-light); border-radius: var(--radius-xs); padding: 10px 13px; font-size: 12px; color: #67e8f9; margin-bottom: 14px; font-family: var(--font-mono); border: 1px solid rgba(6,182,212,.2); }
.modal-error { background: var(--danger-light); color: var(--danger); font-size: 13px; padding: 10px 13px; border-radius: var(--radius-xs); margin-bottom: 12px; display: none; }

/* ===== 隐私警告 ===== */
.privacy-warning {
  background: var(--danger-light);
  border: 1.5px solid rgba(239,68,68,.25);
  border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 16px;
  font-size: 14px; color: #fca5a5; line-height: 1.65;
}
.privacy-warning strong { display: block; margin-bottom: 5px; font-size: 15px; }
.privacy-warning code { background: rgba(239,68,68,.1); padding: 2px 5px; border-radius: 3px; font-family: var(--font-mono); font-size: 12px; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 56px 28px; color: var(--text-muted); }
.empty-state-icon { font-size: 44px; margin-bottom: 14px; opacity: .4; }
.empty-state p { font-size: 15px; }

/* ===== 隐藏 ===== */
.hidden { display: none !important; }
.section { display: block; }
.section.hidden { display: none !important; }

/* ===== 评分/计算面板 ===== */
#score-panel, #calc-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
}

/* ===== 指南搜索输入框 ===== */
#guide-search {
  width: 100%; padding: 12px 16px;
  font-size: 15px;
  border: 1.5px solid rgba(6,182,212,.25);
  border-radius: var(--radius-sm);
  background: var(--bg-card); color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
#guide-search:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }

/* ===== AI分析区 ===== */
#ai-output { min-height: 200px; }

/* ===== CRRT/ECMO面板 ===== */
#crrt-panel-container, #ecmo-panel-container { min-height: 300px; }

/* ===== Ranson yes/no toggle ===== */
.ranson-chips { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.ranson-chip-group {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: var(--radius-xs);
  border: 1px solid var(--border-card);
  background: var(--bg-input);
}
.ranson-chip-label { font-size: 14px; color: var(--text-secondary); flex: 1; }
.toggle-group { display: flex; gap: 6px; }
.toggle-label {
  display: flex; align-items: center; gap: 4px;
  padding: 5px 12px; border-radius: var(--radius-xs);
  border: 1px solid var(--border-card);
  cursor: pointer; font-size: 13px;
  transition: all .15s; user-select: none;
  background: var(--bg-input); color: var(--text-muted);
}
.toggle-label input { display: none; }
.toggle-label:has(input:checked) { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }
.toggle-yes:has(input:checked) { border-color: var(--danger); background: var(--danger-light); color: var(--danger); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero-banner { padding: 20px 16px 16px; }
  .hero-title { font-size: 20px; letter-spacing: 1px; }
  .hero-title .hero-icon { font-size: 24px; }
  .hero-sub { font-size: 11px; }
  .header-inner { padding: 0 16px; gap: 8px; }
  .header-nav { gap: 0; }
  .nav-btn { padding: 7px 8px; font-size: 13px; }
  .main { padding: 20px 14px 60px; }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .score-params { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: 1fr 1fr; }
  .drugs-grid { grid-template-columns: 1fr; }
  .search-hero { padding: 28px 20px; }
  .logo-text p { display: none; }
  .page-header h2 { font-size: 22px; }
}
@media (max-width: 480px) {
  .sources-grid { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 17px; }
}


/* ── 外部药物数据库链接 ── */
.drug-external-links {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(20,184,166,.25);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.drug-ext-label {
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
}
.drug-ext-btn {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all .15s;
  cursor: pointer;
  border: 1px solid transparent;
}
.drug-ext-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0,0,0,.3);
}
/* Drugs.com */
.drug-ext-btn.drugs-com {
  background: rgba(79,70,229,.15);
  color: #a5b4fc;
  border-color: rgba(79,70,229,.3);
}
.drug-ext-btn.drugs-com:hover { background: rgba(79,70,229,.3); }
/* DrugBank */
.drug-ext-btn.drugbank {
  background: rgba(14,165,233,.15);
  color: #7dd3fc;
  border-color: rgba(14,165,233,.3);
}
.drug-ext-btn.drugbank:hover { background: rgba(14,165,233,.3); }
/* Medscape */
.drug-ext-btn.medscape {
  background: rgba(234,88,12,.15);
  color: #fdba74;
  border-color: rgba(234,88,12,.3);
}
.drug-ext-btn.medscape:hover { background: rgba(234,88,12,.3); }
/* 百度 */
.drug-ext-btn.baidu {
  background: rgba(6,182,212,.12);
  color: #67e8f9;
  border-color: rgba(6,182,212,.25);
}
.drug-ext-btn.baidu:hover { background: rgba(6,182,212,.25); }
/* 用药助手 */
.drug-ext-btn.yaozh {
  background: rgba(34,197,94,.12);
  color: #86efac;
  border-color: rgba(34,197,94,.25);
}
.drug-ext-btn.yaozh:hover { background: rgba(34,197,94,.25); }

/* ── 搜不到时的提示 ── */
.drug-no-result {
  text-align: center;
  padding: 40px 20px;
  color: #94a3b8;
}
.drug-no-result-icon { font-size: 48px; margin-bottom: 12px; }
.drug-no-result p { margin: 4px 0; font-size: 15px; }
.drug-no-result strong { color: #67e8f9; }
.drug-no-result-sub { font-size: 13px !important; color: #64748b !important; margin-top: 16px !important; }
.drug-no-result-tip { font-size: 12px !important; color: #475569 !important; margin-top: 14px !important; }

/* ============================================= */
/* 移动端导航修复 - 汉堡菜单和抽屉式导航 */
/* ============================================= */

/* 汉堡菜单按钮 - 默认隐藏 */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.hamburger-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}
.hamburger-icon {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger-btn.active .hamburger-icon:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.active .hamburger-icon:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active .hamburger-icon:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端抽屉导航 */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-nav-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100%;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  z-index: 9999;
  transition: left 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}
.mobile-nav-drawer.open {
  left: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}
.mobile-nav-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}
.mobile-nav-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.mobile-nav-close:hover {
  background: var(--danger-light);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.mobile-nav-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.mobile-nav-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 4px;
}
.mobile-nav-btn:hover,
.mobile-nav-btn.active {
  background: var(--primary-light);
  color: var(--primary);
}
.mobile-nav-btn.active {
  font-weight: 600;
  border-left: 3px solid var(--primary);
}
.mobile-nav-icon {
  font-size: 20px;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.mobile-nav-label {
  flex: 1;
}
.mobile-nav-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}
.mobile-nav-login-btn {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

/* 防止背景在菜单打开时滚动 */
body.mobile-nav-open {
  overflow: hidden;
}

/* ============================================= */
/* 移动端响应式样式增强 */
/* ============================================= */
@media (max-width: 768px) {
  /* 显示汉堡菜单按钮 */
  .hamburger-btn {
    display: flex;
  }
  
  /* 隐藏桌面端导航文字 */
  .nav-btn span:not(.nav-icon) {
    font-size: 11px !important;
  }
  
  /* 调整 header 布局 */
  .header-inner {
    gap: 4px;
    justify-content: space-between;
  }
  
  .header-nav {
    display: flex !important;
    gap: 2px;
  }
  
  /* 导航按钮只显示图标，加大点击区域 */
  .nav-btn {
    padding: 8px 10px !important;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid rgba(6,182,212,.25);
    background: rgba(6,182,212,.12);
    color: var(--primary);
    flex-shrink: 0;
  }
  .nav-btn.active {
    background: var(--primary-light);
    border-color: rgba(6,182,212,.3);
  }
  .nav-btn .nav-icon {
    font-size: 22px !important;
  }
  .nav-refresh {
    opacity: 0.65 !important;
    padding: 10px 12px !important;
  }
  
  /* 调整 logo */
  .logo-text h1 {
    font-size: 14px !important;
  }
  .logo-text p {
    display: none !important;
  }
  .logo-icon {
    font-size: 20px !important;
  }
  
  /* 登录按钮优化 */
  .btn-login {
    padding: 6px 12px;
    font-size: 12px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  /* 调整 hero 区域 */
  .hero-banner {
    padding: 12px 10px 10px;
  }
  .hero-title {
    font-size: 16px !important;
    line-height: 1.4;
  }
  .hero-icon {
    font-size: 20px !important;
  }
  .hero-sub {
    font-size: 10px !important;
    margin-top: 4px;
  }
  
  /* 调整 main 内容区 */
  .main {
    padding: 12px 10px 80px;
  }
  
  /* 页面标题 - 减少顶空，让卡片更靠上 */
  .page-header {
    padding: 10px 10px 8px !important;
    margin: -8px -10px 10px !important;
  }
  .page-header h2 {
    font-size: 18px;
  }
  .page-header p {
    font-size: 12px;
  }
  
  /* 模态框优化 - 从底部弹出 */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
    justify-content: center;
  }
  .modal {
    max-width: 100% !important;
    width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 85vh;
    overflow-y: auto;
    padding: 24px 16px;
  }
  
  /* ===== 内容布局 - ICU医生戴手套优化 ===== */
  .content-layout {
    display: flex;
    flex-direction: column;
  }
  
  /* 侧边栏：保留折叠分类结构，不限制高度，不用relative避免遮挡下方内容 */
  .sidebar {
    position: static !important;
    width: 100% !important;
    max-height: none !important;
    height: auto !important;
    overflow: visible !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin-bottom: 8px !important;
  }
  
  /* 隐藏侧边栏搜索框（移动端不需要）*/
  .sidebar-search {
    display: none !important;
  }
  
  /* 分类容器 */
  .sidebar-category {
    border-radius: var(--radius-sm) !important;
    overflow: visible !important;
    margin-bottom: 6px !important;
  }
  
  /* 分类标题 - 加大可点击区域，方便戴手套点 */
  .cat-header {
    padding: 14px 16px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    min-height: 52px !important;
    background: var(--bg-elevated) !important;
    color: var(--text) !important;
    border-radius: var(--radius-sm) !important;
  }
  
  .cat-icon {
    font-size: 18px !important;
    margin-right: 10px !important;
  }
  
  .cat-count {
    font-size: 13px !important;
  }
  
  .cat-toggle {
    font-size: 14px !important;
  }
  
  /* 展开的分类列表 */
  .sidebar-category.open .cat-items {
    display: block !important;
    padding: 6px 4px !important;
    background: var(--bg-card) !important;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm) !important;
  }
  
  /* ===== 每个评分表/计算器项 → 大卡片 ===== */
  .cat-item {
    display: block !important;
    width: calc(100% - 8px) !important;
    padding: 12px 14px 12px 38px !important;
    min-height: 52px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    margin: 4px !important;
    background: var(--bg-surface) !important;
    border: 1.5px solid var(--border-card) !important;
    border-radius: var(--radius-sm) !important;
    transition: all .15s !important;
    text-align: left !important;
    color: var(--text) !important;
  }
  
  .cat-item:hover, .cat-item:active {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
  }
  
  .cat-item.active {
    background: var(--primary) !important;
    color: #fff !important;
    border-color: var(--primary) !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 12px rgba(6,182,212,.35) !important;
  }
  
  /* ===== 计算器大卡片（和评分表一致） ===== */
  .section-group-header {
    padding: 14px 16px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    min-height: 52px !important;
    background: var(--bg-elevated) !important;
    border-radius: var(--radius-sm) !important;
  }
  .section-group-count {
    font-size: 13px !important;
  }
  .section-group-toggle {
    font-size: 14px !important;
  }
  .section-group-body {
    padding: 6px 4px !important;
    background: var(--bg-card) !important;
  }
  .calc-item {
    padding: 12px 14px 12px 38px !important;
    min-height: 52px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    margin: 4px !important;
    background: var(--bg-surface) !important;
    border: 1.5px solid var(--border-card) !important;
    border-radius: var(--radius-sm) !important;
    transition: all .15s !important;
    width: calc(100% - 8px) !important;
    display: block !important;
  }
  .calc-item-name {
    font-size: 15px !important;
    font-weight: 600 !important;
    color: var(--text) !important;
  }
  .calc-item-desc {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 4px !important;
  }
  .calc-item:hover, .calc-item:active {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
  }
  .calc-item.active {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 2px 12px rgba(6,182,212,.35) !important;
  }
  .calc-item.active .calc-item-name {
    color: #fff !important;
    font-weight: 700 !important;
  }
  .calc-item.active .calc-item-desc {
    color: rgba(255,255,255,.75) !important;
  }
  
  .content-area {
    width: 100% !important;
    margin-top: 0 !important;
    padding: 16px !important;
  }
  
  /* 搜索框 */
  .search-hero {
    padding: 16px 12px;
  }
  .search-box-wrap {
    flex-direction: column;
    max-width: 100%;
  }
  .search-box {
    font-size: 14px;
    padding: 12px 14px;
  }
  .search-btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
  }
  
  /* 来源卡片 */
  .sources-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px;
  }
  .source-card {
    padding: 10px !important;
  }
  .source-icon {
    font-size: 20px;
  }
  .source-info h4 {
    font-size: 12px;
  }
  .source-info p {
    font-size: 10px;
  }
  
  /* 指南快捷按钮 */
  .btn.btn-secondary.btn-sm {
    padding: 6px 8px;
    font-size: 10px;
  }
  
  /* 计算器网格 */
  .calc-grid {
    grid-template-columns: 1fr 1fr !important;
  }
  
  /* 药物网格 */
  .drugs-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* AI 分析区域 */
  .ai-form-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* 复选框网格 */
  .checkbox-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px;
  }
  
  /* 评分参数网格 */
  .score-params {
    grid-template-columns: 1fr !important;
  }
  
  /* 表单网格 */
  .form-grid-3 {
    grid-template-columns: 1fr 1fr !important;
  }
  
  /* ===== 按钮/输入框 - ICU医生戴手套优化 ===== */
  .btn {
    padding: 14px 20px !important;
    font-size: 15px !important;
    min-height: 52px !important;
    gap: 8px !important;
    touch-action: manipulation;
  }
  
  /* 按钮间距加大 */
  .btn-group, .form-actions {
    gap: 16px !important;
  }
  
  /* 输入框/下拉框 - 戴手套优化，必须 >= 48px */
  input, select, textarea {
    min-height: 52px !important;
    font-size: 16px !important; /* 防止iOS缩放 */
    padding: 14px 16px !important;
  }
  
  .param-select, .param-input {
    min-height: 52px !important;
    font-size: 16px !important;
    padding: 14px 16px !important;
  }
  
  /* 评分参数间距加大 */
  .param-group {
    gap: 10px !important;
  }
  .param-label {
    font-size: 15px !important;
    padding: 4px 0 !important;
  }
  .score-params {
    gap: 20px !important;
  }
  
  /* 评分结果卡片 */
  .score-result {
    padding: 16px !important;
    margin: 12px -10px !important;
  }
  .score-grade {
    font-size: 14px !important;
  }
  
  /* AI欢迎区 */
  .ai-welcome {
    padding: 16px 12px !important;
  }
  .ai-welcome h2 {
    font-size: 18px !important;
  }
  
  /* AI锁定提示 */
  #ai-locked-hint {
    margin: 0 -10px 16px !important;
    border-radius: 0 !important;
    padding: 14px 12px !important;
  }
}

@media (max-width: 480px) {
  /* 更小屏幕适配 */
  .hamburger-btn {
    width: 36px;
    height: 36px;
  }
  
  .hero-title {
    font-size: 14px !important;
  }
  
  .sources-grid {
    grid-template-columns: 1fr !important;
  }
  
  .calc-grid {
    grid-template-columns: 1fr !important;
  }
  
  .checkbox-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* 模态框内边距 */
  .modal {
    padding: 16px 12px;
  }
  
  /* 按钮全宽 */
  .modal .btn {
    width: 100%;
  }
  
  /* 输入框全宽 */
  .modal-field input,
  .modal-field select {
    width: 100%;
  }
  
  /* auth表单标签 */
  .modal-field label {
    font-size: 12px;
  }
  
  /* 药物卡片 */
  .drug-card {
    padding: 12px !important;
  }
  
  /* CRRT/ECMO面板 */
  .crrt-panel, .ecmo-panel {
    padding: 12px !important;
    margin: 0 -10px !important;
    border-radius: 0 !important;
  }
}

/* ============================================= */
/* iOS 安全区域适配 */
/* ============================================= */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .mobile-nav-drawer {
    padding-bottom: env(safe-area-inset-bottom);
  }
  @media (max-width: 768px) {
    .main {
      padding-bottom: calc(60px + env(safe-area-inset-bottom));
    }
    .modal {
      padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
  }
}

/* ============================================= */
/* 触摸友好优化 - ICU医生戴手套场景 */
/* ============================================= */
@media (hover: none) and (pointer: coarse) {
  .nav-btn:active,
  .btn:active,
  .source-card:active,
  .drug-card:active,
  .calc-card:active,
  .cat-item:active {
    opacity: 0.85;
    transform: scale(0.98);
  }
  
  /* 增大触摸目标 - 必须能被戴手套的手指准确点击 */
  .nav-btn,
  .hamburger-btn,
  .cat-header,
  .cat-item,
  .btn,
  .check-chip {
    min-width: 48px;
    min-height: 48px;
  }
  
  /* 按钮间距加大到 16px */
  .btn-group, .form-actions, .nav-actions {
    gap: 16px !important;
  }
  
  /* 复选框标签增大触摸区域 */
  .check-chip {
    min-height: 52px !important;
    padding: 14px 16px !important;
    font-size: 15px !important;
  }
  
  /* toggle按钮 */
  .toggle-label {
    min-height: 48px;
    padding: 12px 16px;
  }
}

/* ============================================= */
/* 隐藏 auth-gate（不再使用全屏遮罩） */
/* ============================================= */
#auth-gate {
  display: none !important;
}

/* 语言切换按钮 */
.lang-toggle-btn {
  background: transparent;
  border: 1px solid var(--border, #3a4a5c);
  color: var(--text-primary, #e2e8f0);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
  margin-right: 8px;
}
.lang-toggle-btn:hover {
  background: var(--bg-secondary, #1e2d3d);
  border-color: var(--primary, #4a9eff);
}

/* ===== 肝肾功能计算器（药物详情内） ===== */
.abx-renal-calc { margin-top: 14px; border-top: 1px dashed rgba(20,184,166,.2); padding-top: 12px; }
.abx-renal-toggle { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--teal-light); border-radius: var(--radius-xs); cursor: pointer; font-size: 13px; font-weight: 600; color: var(--teal); transition: background .15s; }
.abx-renal-toggle:hover { background: rgba(20,184,166,.15); }
.abx-renal-toggle-icon { font-size: 16px; }
.abx-renal-arrow { margin-left: auto; font-size: 11px; transition: transform .2s; }
.abx-renal-arrow.rotated { transform: rotate(180deg); }
.abx-renal-panel { display: none; margin-top: 10px; padding: 14px; background: var(--bg-input); border: 1px solid rgba(20,184,166,.15); border-radius: var(--radius-sm); }
.abx-renal-panel.abx-renal-open { display: block; }
.abx-renal-inputs { display: flex; flex-direction: column; gap: 10px; }
.abx-renal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.abx-renal-row label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-secondary); font-weight: 600; }
.abx-renal-row input,.abx-renal-row select { padding: 7px 10px; border: 1.5px solid var(--border-card); border-radius: var(--radius-xs); font-size: 13px; background: var(--bg-card); color: var(--text); outline: none; transition: border-color .15s; }
.abx-renal-row input:focus,.abx-renal-row select:focus { border-color: var(--teal); }
.abx-renal-calc-btn { width: 100%; padding: 8px; margin-top: 10px; border: none; border-radius: var(--radius-xs); background: var(--teal); color: #fff; font-size: 13px; font-weight: 700; cursor: pointer; transition: background .15s; }
.abx-renal-calc-btn:hover { background: #0d9488; }
.abx-renal-result { margin-top: 12px; }
.abx-renal-results { display: flex; flex-direction: column; gap: 10px; }
.abx-renal-crcl { flex: 1; text-align: center; padding: 10px; background: rgba(20,184,166,.06); border-radius: var(--radius-xs); border: 1px solid rgba(20,184,166,.15); }
.abx-crcl-main { font-size: 22px; font-weight: 800; font-family: var(--font-mono); }
.abx-crcl-main small { font-size: 12px; color: var(--text-muted); font-weight: 400; }
.abx-crcl-sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.abx-renal-stage { text-align: center; font-size: 14px; font-weight: 700; padding: 6px; background: rgba(16,185,129,.06); border-radius: var(--radius-xs); border: 1px solid rgba(16,185,129,.15); }
.abx-dose-box { padding: 12px; background: rgba(139,92,246,.06); border: 1px solid rgba(139,92,246,.2); border-radius: var(--radius-xs); }
.abx-dose-title { font-size: 13px; font-weight: 700; color: #c4b5fd; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid rgba(139,92,246,.15); }
.abx-dose-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 13px; color: var(--text-secondary); }
.abx-dose-row:not(:last-child) { border-bottom: 1px solid rgba(139,92,246,.08); }
.abx-dose-row strong { color: var(--text); }
.abx-dose-note { margin-top: 10px; padding: 8px 10px; background: rgba(245,158,11,.08); border-radius: var(--radius-xs); font-size: 12px; color: #fcd34d; border-left: 3px solid var(--warning); }
.abx-dose-dialysis { margin-top: 8px; padding: 8px 10px; background: rgba(79,70,229,.1); border-radius: var(--radius-xs); font-size: 12px; color: #a5b4fc; }
.abx-disclaimer { margin-top: 10px; font-size: 11px; color: var(--text-muted); text-align: center; }
.abx-source { margin-top: 4px; font-size: 10px; color: var(--text-dim); text-align: right; }
.abx-renal-error { padding: 8px; font-size: 13px; color: var(--danger); background: var(--danger-light); border-radius: var(--radius-xs); text-align: center; }

/* ===== 特殊人群综合评估（药物详情内） ===== */
.special-pop-calc { margin-top: 12px; border-top: 1px dashed rgba(139,92,246,.2); padding-top: 12px; }
.special-pop-toggle { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: rgba(139,92,246,.1); border-radius: var(--radius-xs); cursor: pointer; font-size: 13px; font-weight: 600; color: #c4b5fd; transition: background .15s; }
.special-pop-toggle:hover { background: rgba(139,92,246,.18); }
.special-pop-icon { font-size: 16px; }
.special-pop-arrow { margin-left: auto; font-size: 11px; transition: transform .2s; }
.special-pop-arrow.rotated { transform: rotate(180deg); }
.special-pop-panel { display: none; margin-top: 10px; padding: 14px; background: var(--bg-input); border: 1px solid rgba(139,92,246,.15); border-radius: var(--radius-sm); }
.special-pop-panel.special-pop-open { display: block; }
.special-pop-inputs { display: flex; flex-direction: column; gap: 10px; }
.special-pop-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.special-pop-row label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-secondary); font-weight: 600; }
.special-pop-row input,.special-pop-row select { padding: 7px 10px; border: 1.5px solid var(--border-card); border-radius: var(--radius-xs); font-size: 13px; background: var(--bg-card); color: var(--text); outline: none; transition: border-color .15s; }
.special-pop-row input:focus,.special-pop-row select:focus { border-color: var(--accent); }
.special-pop-btn { width: 100%; padding: 8px; margin-top: 10px; border: none; border-radius: var(--radius-xs); background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%); color: #fff; font-size: 13px; font-weight: 700; cursor: pointer; transition: opacity .15s; }
.special-pop-btn:hover { opacity: .85; }
.special-pop-result { margin-top: 12px; }
.special-pop-results { display: flex; flex-direction: column; gap: 8px; }
.sp-item { padding: 10px 12px; background: rgba(139,92,246,.04); border: 1px solid rgba(139,92,246,.12); border-radius: var(--radius-xs); }
.sp-item-title { font-size: 13px; font-weight: 700; color: #c4b5fd; margin-bottom: 6px; }
.sp-item-content { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.special-pop-error { padding: 8px; font-size: 13px; color: var(--danger); background: var(--danger-light); border-radius: var(--radius-xs); text-align: center; }

/* ===== 药物搜索结果高亮 ===== */
.drug-card.search-match { animation: drugSearchFlash 1s ease-out; }
@keyframes drugSearchFlash { 0% { background: rgba(250,204,21,.2); border-color: var(--warning); } 100% { background: var(--bg-card); border-color: var(--border-card); } }

/* ===== 快捷分类导航条 ===== */
.super-group { transition: all .15s ease !important; }
.super-group:hover { background: rgba(6,182,212,.08) !important; border-color: rgba(6,182,212,.3) !important; transform: translateY(-1px); }
#calc-cat-bar { gap: 6px; padding: 4px 0; }
@media (max-width: 768px) {
  #calc-cat-bar { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding: 4px 4px 8px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  #calc-cat-bar::-webkit-scrollbar { display: none; }
  .super-group { flex-shrink: 0; }
}