/* ==========================================================================
   临床数据智能平台 v1.1.0 — 医疗蓝青主题
   ========================================================================== */
:root {
  --primary: #0e7f8c;
  --primary-dark: #0a5c6b;
  --primary-deep: #0b4f61;
  --primary-light: #e2f2f4;
  --blue: #2f7bd4;
  --blue-light: #eaf1fb;
  --bg: #f2f5fa;
  --card: #ffffff;
  --text: #1f2d3d;
  --muted: #6b7a8d;
  --border: #e4eaf2;
  --success: #2f9e6e;
  --success-light: #e5f5ee;
  --warning: #d97736;
  --warning-light: #fdf0e4;
  --danger: #d64545;
  --danger-light: #fbeaea;
  --shadow-sm: 0 1px 3px rgba(16, 42, 67, .06);
  --shadow-md: 0 6px 18px rgba(16, 42, 67, .08);
  --shadow-lg: 0 16px 40px rgba(16, 42, 67, .14);
  --radius: 12px;
  --sidebar-w: 236px;
  --topbar-h: 64px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--primary-dark); }

:focus-visible { outline: 3px solid rgba(47, 123, 212, .38); outline-offset: 2px; }
.skip-link { position: fixed; left: 14px; top: -52px; z-index: 500; padding: 9px 14px; border-radius: 8px; background: var(--primary-deep); color: #fff; box-shadow: var(--shadow-md); transition: top .15s; }
.skip-link:focus { top: 14px; color: #fff; }
.sr-status { position: fixed; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

h1, h2, h3, h4 { font-weight: 600; }

/* ==========================================================================
   侧边栏
   ========================================================================== */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, #0b4f61 0%, #0e7f8c 130%);
  color: #dceef2;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.brand-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; letter-spacing: .5px;
  flex-shrink: 0;
}

.brand-text { font-size: 15px; font-weight: 600; color: #fff; line-height: 1.3; }
.brand-text small { display: block; font-size: 11px; color: rgba(255, 255, 255, .65); font-weight: 400; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 12px 20px; }
.sidebar-nav::-webkit-scrollbar { width: 5px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 3px; }

.nav-group-title {
  font-size: 11px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: 2px;
  padding: 14px 10px 6px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  margin: 2px 0;
  border-radius: 9px;
  color: #cfe4e9;
  font-size: 14px;
  transition: background .15s, color .15s;
}

.nav-item i { font-size: 15px; width: 18px; text-align: center; }

.nav-item:hover { background: rgba(255, 255, 255, .1); color: #fff; }

.nav-item.active {
  background: rgba(255, 255, 255, .18);
  color: #fff;
  font-weight: 500;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.nav-sub { padding-left: 12px; }
.nav-sub .nav-item { font-size: 13px; padding: 7px 12px; }
.nav-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255, 255, 255, .35); flex-shrink: 0;
}
.nav-sub .nav-item.active .nav-dot { background: #7fe0e4; }

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.user-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px; border-radius: 10px;
  background: rgba(255, 255, 255, .1);
}
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: #fff; color: var(--primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 14px; flex-shrink: 0;
}
.user-meta { min-width: 0; }
.user-meta .name { color: #fff; font-weight: 500; font-size: 13px; }
.user-meta .role { color: rgba(255,255,255,.6); font-size: 11px; }
.user-meta a { color: rgba(255,255,255,.6); font-size: 11px; margin-left: 4px; }
.user-meta a:hover { color: #fff; }

/* ==========================================================================
   主区域
   ========================================================================== */
.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky; top: 0; z-index: 90;
  height: var(--topbar-h);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 26px;
}

.topbar-title h1 { font-size: 18px; margin: 0; }
.topbar-title .crumb { font-size: 12px; color: var(--muted); margin-top: 2px; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-status { align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: #fbfdff; font-size: 11px; }
.topbar-status .status-dot { width: 6px; height: 6px; margin: 0; background: var(--success); }

.btn-ai {
  display: inline-flex; align-items: center; gap: 7px;
  background: linear-gradient(135deg, #0e7f8c, #2f7bd4);
  color: #fff; border: none;
  padding: 8px 16px; border-radius: 20px;
  font-size: 13px; font-weight: 500; cursor: pointer;
  box-shadow: 0 4px 12px rgba(14, 127, 140, .28);
  transition: transform .15s, box-shadow .15s;
}
.btn-ai:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(14, 127, 140, .35); }
.btn-ai i { font-size: 15px; }

.btn-logout {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 9px;
  color: var(--muted); font-size: 13px;
  border: 1px solid var(--border); background: #fff;
}
.btn-logout:hover { color: var(--danger); border-color: var(--danger); }

.content { padding: 26px; flex: 1; }
.content:focus { outline: none; }

/* ==========================================================================
   卡片
   ========================================================================== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header { min-height: 55px; }

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header .card-title { font-size: 15px; font-weight: 600; margin: 0; }
.card-body { padding: 20px; }

/* 统计卡 */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.stat-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.stat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; flex-shrink: 0;
}
.stat-info .value { font-size: 24px; font-weight: 700; line-height: 1.2; }
.stat-info .label { font-size: 12px; color: var(--muted); }

/* 数据集卡片 */
.dataset-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px;
}
.dataset-card {
  position: relative; overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.dataset-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.dataset-card .top-strip { height: 5px; }
.dataset-card .dsc-body { padding: 18px 20px; flex: 1; }
.dataset-card .dsc-icon {
  width: 44px; height: 44px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 12px;
}
.dataset-card h3 { font-size: 16px; margin: 0 0 6px; }
.dataset-card .dsc-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0 0 14px; }
.dataset-card .dsc-stats {
  display: flex; gap: 14px; font-size: 12px; color: var(--muted);
  border-top: 1px dashed var(--border); padding-top: 12px;
}
.dataset-card .dsc-stats b { color: var(--text); font-size: 14px; }
.dataset-card .dsc-footer {
  padding: 12px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}

/* 模型卡片 */
.model-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 18px;
}
.model-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 20px; display: flex; flex-direction: column;
  transition: transform .18s, box-shadow .18s;
}
.model-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.model-card .mc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.model-card .mc-icon {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 19px; color: #fff;
}
.model-card h3 { font-size: 15px; margin: 0; }
.model-card .mc-kind { font-size: 11px; }
.model-card .mc-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.model-card .mc-metrics { display: flex; gap: 16px; font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.model-card .mc-metrics b { color: var(--text); font-size: 14px; }

/* 徽章 */
.badge { font-weight: 500; font-size: 12px; padding: 4px 10px; border-radius: 20px; }
.badge-筛查 { background: var(--blue-light); color: var(--blue); }
.badge-诊断 { background: var(--primary-light); color: var(--primary-dark); }
.badge-预后 { background: var(--warning-light); color: var(--warning); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }

/* 表格 */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.table thead th {
  background: #f7f9fc; color: var(--muted); font-weight: 600;
  font-size: 12px; text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.table tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table tbody tr:hover { background: #f8fbfc; }
.table .num { font-variant-numeric: tabular-nums; }

/* 分页 */
.pagination { display: flex; align-items: center; gap: 6px; justify-content: flex-end; }
.page-link {
  min-width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 8px; border-radius: 8px; background: #fff; border: 1px solid var(--border);
  font-size: 13px; color: var(--text);
}
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 表单 */
.form-label { font-size: 13px; font-weight: 500; margin-bottom: 6px; display: block; }
.form-control, .form-select {
  width: 100%; padding: 9px 12px; font-size: 13px;
  border: 1px solid var(--border); border-radius: 9px; background: #fff;
  color: var(--text); outline: none; transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14, 127, 140, .12);
}
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  border: none; border-radius: 9px; padding: 9px 18px; font-size: 14px;
  font-weight: 500; cursor: pointer; transition: background .15s, transform .1s;
}
.btn:active { transform: scale(.98); }
.btn:disabled, button:disabled { cursor: not-allowed; opacity: .62; transform: none; }
.btn-primary { background: linear-gradient(135deg, #0e7f8c, #0b6f7d); color: #fff; box-shadow: 0 4px 12px rgba(14,127,140,.25); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-light { background: var(--primary-light); color: var(--primary-dark); }
.btn-light:hover { background: #d2eaed; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* 空状态 */
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }
.empty i { font-size: 34px; color: #c3ced9; }
.empty strong { display: block; margin-top: 10px; color: var(--text); font-size: 15px; }
.empty p { margin: 7px 0 0; line-height: 1.8; }
.empty-illustration { width: 68px; height: 68px; display: inline-flex; align-items: center; justify-content: center; border-radius: 20px; background: linear-gradient(145deg, var(--primary-light), var(--blue-light)); }
.empty-illustration i { color: var(--primary); font-size: 30px; }

/* 提示框 */
.alert {
  padding: 12px 16px; border-radius: 10px; font-size: 13px; margin-bottom: 16px;
}
.alert-info { background: var(--blue-light); color: #24528f; }
.alert-warning { background: var(--warning-light); color: #9c5a1f; }
.alert-danger { background: var(--danger-light); color: #a33; }
.notice-card { border: 1px solid transparent; box-shadow: none; }
.notice-card strong { display: block; margin-bottom: 2px; color: inherit; font-weight: 650; }
.notice-icon { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; border-radius: 9px; background: rgba(255,255,255,.58); font-size: 16px; }
.form-error { margin-top: 10px; padding: 9px 11px; border-radius: 8px; color: #a33; background: var(--danger-light); font-size: 12px; line-height: 1.55; }
.form-error[hidden] { display: none; }
.form-status { min-height: 27px; display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.section-footnote { display: flex; align-items: center; gap: 7px; margin-top: 18px; color: var(--muted); font-size: 12px; }
.section-footnote i { color: var(--primary); }

/* ==========================================================================
   AI 助手面板
   ========================================================================== */
.assistant-backdrop {
  position: fixed; inset: 0; background: rgba(15, 30, 45, .35);
  opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 200;
}
.assistant-backdrop.show { opacity: 1; pointer-events: auto; }

.assistant-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 400px; max-width: 94vw;
  background: var(--card); box-shadow: var(--shadow-lg);
  transform: translateX(102%); transition: transform .28s cubic-bezier(.4,0,.2,1);
  z-index: 210; display: flex; flex-direction: column;
}
.assistant-panel.show { transform: translateX(0); }

.ai-head {
  background: linear-gradient(135deg, #0e7f8c, #2f7bd4);
  color: #fff; padding: 16px 18px; display: flex; align-items: center; gap: 10px;
}
.ai-head .ai-avatar {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.ai-head .ai-title { font-weight: 600; font-size: 15px; }
.ai-head .ai-sub { font-size: 11px; opacity: .8; }
.ai-close { margin-left: auto; background: none; border: none; color: #fff; font-size: 20px; cursor: pointer; opacity: .85; }
.ai-close:hover { opacity: 1; }
.ai-context-bar { display: flex; align-items: center; gap: 7px; padding: 8px 16px; border-bottom: 1px solid var(--border); background: #f7fbfc; color: var(--primary-dark); font-size: 11px; }
.ai-context-bar span { min-width: 0; flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.ai-context-bar button { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 2px; }
.ai-context-bar button:hover { color: var(--danger); }

.ai-messages { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.ai-msg { max-width: 86%; padding: 11px 14px; border-radius: 14px; font-size: 13px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.ai-msg.bot { align-self: flex-start; background: var(--primary-light); color: #114e5a; border-bottom-left-radius: 4px; }
.ai-msg.user { align-self: flex-end; background: #2f7bd4; color: #fff; border-bottom-right-radius: 4px; }
.ai-msg .typing { display: inline-flex; gap: 4px; }
.ai-msg .typing i { width: 5px; height: 5px; border-radius: 50%; background: #7ba3b0; animation: blink 1.2s infinite; }
.ai-msg .typing i:nth-child(2) { animation-delay: .2s; }
.ai-msg .typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100% {opacity:.25} 40% {opacity:1} }

.ai-suggest { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 18px 8px; }
.ai-suggest .chip {
  font-size: 12px; padding: 5px 11px; border-radius: 16px;
  background: var(--blue-light); color: var(--blue); cursor: pointer; border: none;
}
.ai-suggest .chip:hover { background: #d5e4f8; }

.ai-input-bar { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
.ai-input-bar input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; outline: none;
}
.ai-input-bar input:focus { border-color: var(--primary); }
.ai-input-bar .send-btn {
  width: 40px; height: 40px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, #0e7f8c, #2f7bd4); color: #fff; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.ai-input-bar .send-btn:hover { filter: brightness(1.08); }
.ai-input-bar .send-btn:disabled { filter: grayscale(.25); }

/* ==========================================================================
   模型预测
   ========================================================================== */
.gauge-wrap { display: flex; flex-direction: column; align-items: center; padding: 10px 0 6px; }
.gauge-ring {
  width: 150px; height: 150px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.gauge-ring::before {
  content: ""; position: absolute; inset: 14px; border-radius: 50%; background: var(--card);
}
.gauge-inner { position: relative; text-align: center; }
.gauge-inner .val { font-size: 34px; font-weight: 800; line-height: 1; }
.gauge-inner .pct { font-size: 12px; color: var(--muted); }
.gauge-ring.low { background: conic-gradient(var(--success) calc(var(--p)*1%), #eef2f7 0); }
.gauge-ring.mid { background: conic-gradient(var(--warning) calc(var(--p)*1%), #eef2f7 0); }
.gauge-ring.high { background: conic-gradient(var(--danger) calc(var(--p)*1%), #eef2f7 0); }

.factor-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.factor-row:last-child { border-bottom: none; }
.factor-bar { flex: 1; height: 8px; border-radius: 4px; background: #eef2f7; overflow: hidden; }
.factor-bar span { display: block; height: 100%; border-radius: 4px; }
.factor-label { width: 150px; font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.factor-value { font-size: 12px; width: 70px; text-align: right; font-variant-numeric: tabular-nums; }

.metric-box {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; text-align: center;
  background: #fafcfe;
}
.metric-box .m-val { font-size: 20px; font-weight: 700; }
.metric-box .m-label { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ==========================================================================
   登录页
   ========================================================================== */
.login-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, #0b4f61 0%, #0e7f8c 55%, #2f7bd4 130%);
  padding: 20px;
}
.login-card {
  width: 400px; max-width: 100%;
  background: #fff; border-radius: 18px; padding: 34px 34px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .lb-icon {
  width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 15px;
  background: linear-gradient(135deg, #0e7f8c, #2f7bd4); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 700;
}
.login-brand h1 { font-size: 19px; margin: 0 0 4px; }
.login-brand p { font-size: 12px; color: var(--muted); margin: 0; }
.login-hint {
  margin-top: 16px; padding: 10px 14px; border-radius: 9px;
  background: var(--primary-light); color: var(--primary-dark); font-size: 12px;
}
.login-hint code { background: rgba(255,255,255,.7); padding: 1px 6px; border-radius: 5px; font-size: 12px; }

/* ==========================================================================
   患者详情 / 字段
   ========================================================================== */
.field-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.field-table td { padding: 8px 14px; border-bottom: 1px solid var(--border); }
.field-table tr:last-child td { border-bottom: none; }
.field-table .fk { color: var(--muted); width: 38%; }
.field-table .fv { font-weight: 500; font-variant-numeric: tabular-nums; }
.field-table .fv.abnormal-up { color: var(--danger); font-weight: 600; }
.field-table .fv.abnormal-down { color: var(--blue); font-weight: 600; }
.ref-tag { font-size: 11px; color: var(--muted); margin-left: 8px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab {
  padding: 9px 16px; font-size: 13px; cursor: pointer; color: var(--muted);
  border: none; background: none; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* 步骤条 */
.steps { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.step { display: inline-flex; align-items: center; gap: 6px; }
.step-num {
  width: 20px; height: 20px; border-radius: 50%; background: var(--primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600;
}
.step-line { width: 24px; height: 1px; background: var(--border); }

/* AI 解读框 */
.ai-box {
  background: linear-gradient(135deg, #eef6f8, #eaf1fb);
  border: 1px solid #d4e6ea; border-radius: 12px; padding: 16px 18px;
  font-size: 13px; line-height: 1.8; color: #114e5a;
}
.ai-box .ai-tag {
  display: inline-flex; align-items: center; gap: 6px; font-weight: 600; margin-bottom: 6px; font-size: 13px;
}
.ai-box .ai-tag i { color: var(--primary); }

/* ==========================================================================
   v1.1 临床工作台
   ========================================================================== */
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.sidebar-toggle, .sidebar-close { border: 0; background: transparent; cursor: pointer; }
.sidebar-toggle { display: none; color: var(--primary-dark); font-size: 22px; padding: 4px 6px; }
.sidebar-close { display: none; color: rgba(255,255,255,.8); font-size: 17px; margin-left: auto; }
.sidebar-backdrop { display: none; }

.overview-hero {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  padding: 24px 26px; margin-bottom: 18px; border-radius: 16px; color: #fff;
  background: radial-gradient(circle at 90% 0%, rgba(104,220,221,.35), transparent 35%),
    linear-gradient(135deg, #0b4f61 0%, #0e7f8c 58%, #2f7bd4 130%);
  box-shadow: 0 12px 28px rgba(11,79,97,.18);
}
.overview-hero h2 { font-size: 24px; margin: 0 0 7px; }
.overview-hero p { margin: 0; max-width: 760px; color: rgba(255,255,255,.8); font-size: 13px; }
.hero-eyebrow { color: rgba(255,255,255,.72); font-size: 11px; letter-spacing: .6px; margin-bottom: 8px; }
.overview-hero .hero-actions { display: flex; gap: 8px; flex-shrink: 0; }
.hero-pill { border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.12); color: #fff; }
.hero-pill:hover { background: rgba(255,255,255,.2); color: #fff; }
.stat-grid.stat-grid-six { grid-template-columns: repeat(6, 1fr); }
.stat-card .hint { font-size: 11px; color: var(--muted); margin-top: 3px; }
.stat-card .value.text-value { font-size: 19px; }
.tone-teal .stat-icon { background: var(--primary-light); color: var(--primary-dark); }
.tone-blue .stat-icon { background: var(--blue-light); color: var(--blue); }
.tone-violet .stat-icon { background: #f3edfc; color: #7a5fc0; }
.tone-orange .stat-icon { background: var(--warning-light); color: var(--warning); }
.tone-green .stat-icon { background: var(--success-light); color: var(--success); }
.tone-purple .stat-icon { background: #f0ecff; color: #6e55bd; }

.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 22px 0 12px; }
.section-heading h4 { margin: 0; font-size: 16px; }
.section-heading p { color: var(--muted); font-size: 12px; margin: 3px 0 0; }
.dataset-panel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.dataset-panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.dataset-panel .panel-top { padding: 17px 18px 14px; border-top: 4px solid var(--primary); }
.dataset-panel .panel-title { display: flex; align-items: center; gap: 10px; }
.dataset-panel .panel-title h3 { flex: 1; font-size: 15px; margin: 0; }
.dataset-panel .panel-title i { font-size: 20px; color: var(--primary); }
.panel-meta { color: var(--muted); font-size: 12px; margin-top: 7px; }
.panel-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 14px; }
.mini-stat { padding: 9px 8px; background: #f7fafc; border-radius: 8px; text-align: center; }
.mini-stat b { display: block; font-size: 15px; color: var(--primary-dark); }
.mini-stat span { color: var(--muted); font-size: 11px; }
.panel-body { padding: 0 18px 15px; }
.distribution-title { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 7px; }
.distribution-row { display: grid; grid-template-columns: 84px 1fr 42px; gap: 8px; align-items: center; font-size: 12px; margin: 7px 0; }
.distribution-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.distribution-track { height: 7px; background: #eaf0f5; border-radius: 5px; overflow: hidden; }
.distribution-fill { height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--primary), var(--blue)); }
.distribution-pct { color: var(--muted); text-align: right; }
.recent-table { width: 100%; border-collapse: collapse; font-size: 11px; margin-top: 13px; }
.recent-table th { color: var(--muted); font-weight: 500; text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--border); }
.recent-table td { padding: 7px 4px; border-bottom: 1px solid #eef2f6; white-space: nowrap; max-width: 115px; overflow: hidden; text-overflow: ellipsis; }
.recent-table tr:last-child td { border-bottom: 0; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: var(--success); }
.compact-empty { padding: 12px 8px; }
.compact-empty i { font-size: 20px; }
.compact-empty p { margin: 3px 0 0; font-size: 11px; }
.panel-footer { padding: 11px 18px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.panel-footer .quality { color: var(--muted); font-size: 11px; }
.quality b { color: var(--success); }
.model-spotlight { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.model-spotlight .model-card { min-width: 0; }

.patient-hero { display: flex; align-items: center; gap: 16px; }
.patient-avatar { width: 64px; height: 64px; border-radius: 18px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; font-weight: 700; flex-shrink: 0; box-shadow: 0 8px 18px rgba(14,127,140,.2); }
.patient-meta { flex: 1; min-width: 220px; }
.patient-meta h2 { font-size: 21px; margin: 0 0 6px; }
.patient-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.status-chip { display: inline-flex; align-items: center; gap: 5px; border-radius: 16px; padding: 5px 10px; font-size: 12px; font-weight: 600; }
.status-chip.ok { color: var(--success); background: var(--success-light); }
.status-chip.warn { color: var(--warning); background: var(--warning-light); }
.status-chip.neutral { color: var(--blue); background: var(--blue-light); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric-card { display: flex; align-items: center; gap: 10px; padding: 14px; background: #fbfdff; border: 1px solid var(--border); border-radius: 11px; }
.metric-card.abnormal { border-color: #f0c6c6; background: #fff9f9; }
.metric-icon { width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; color: var(--primary); background: var(--primary-light); flex-shrink: 0; }
.metric-card.abnormal .metric-icon { color: var(--danger); background: var(--danger-light); }
.metric-value { min-width: 0; }
.metric-value b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 16px; }
.metric-value span { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 18px; align-items: start; }
.workspace-side { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 14px; }
.field-section-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; font-weight: 600; padding: 0 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 2px; }
.context-card { background: linear-gradient(145deg, #f0f8fa, #eef3fc); border: 1px solid #d3e5e9; border-radius: 13px; padding: 16px; }
.context-card .context-title { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--primary-dark); }
.context-card .context-title i { color: var(--primary); }
.context-card p { color: #356371; font-size: 12px; line-height: 1.7; margin: 10px 0 13px; }
.action-stack { display: flex; flex-direction: column; gap: 8px; }
.action-stack .btn { width: 100%; }
.abnormal-list { margin: 0; padding: 0; list-style: none; }
.abnormal-list li { display: flex; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 12px; }
.abnormal-list li:last-child { border-bottom: 0; }
.abnormal-list .ab-label { color: var(--muted); }
.abnormal-list .ab-value { color: var(--danger); font-weight: 600; white-space: nowrap; }

/* v1.1 第二轮：资源、模型与分析工作台 */
.page-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.page-intro h2 { margin: 0 0 4px; font-size: 23px; letter-spacing: -.3px; }
.page-intro p { margin: 0; color: var(--muted); font-size: 13px; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 7px; color: var(--primary); font-size: 11px; font-weight: 650; letter-spacing: .9px; text-transform: uppercase; }
.eyebrow i { font-size: 14px; }
.page-intro-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.soft-pill { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--muted); font-size: 11px; }
.soft-pill i { color: var(--primary); }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; }
.card-link i { transition: transform .15s; }
.card-link:hover i { transform: translateX(3px); }
.dsc-heading { display: flex; align-items: flex-start; justify-content: space-between; }
.resource-index { color: var(--muted); font-size: 10px; letter-spacing: .7px; }
.dataset-card .dsc-stats { gap: 0; justify-content: space-between; }
.dataset-card .dsc-stats span { display: flex; align-items: baseline; gap: 4px; }
.dataset-card .dsc-stats small { font-size: 11px; }
.dataset-card .dsc-stats .source { gap: 5px; max-width: 43%; overflow: hidden; }
.dataset-card .dsc-stats .source small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dataset-card .dsc-stats .source i { color: var(--primary); }
.model-card { position: relative; overflow: hidden; }
.model-card::after { content: ""; position: absolute; right: -28px; bottom: -48px; width: 110px; height: 110px; border-radius: 50%; background: var(--primary-light); opacity: .45; pointer-events: none; }
.model-card-topline { display: flex; align-items: center; justify-content: space-between; margin: -4px 0 12px; color: var(--muted); font-size: 10px; letter-spacing: .3px; }
.model-state { display: inline-flex; align-items: center; gap: 5px; color: var(--success); }
.model-state i { font-size: 7px; }
.model-card .mc-head, .model-card .mc-desc, .model-card .mc-metrics, .model-card-footer { position: relative; z-index: 1; }
.model-card .mc-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 10px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.model-card .mc-metrics span { display: flex; flex-direction: column; gap: 1px; text-align: center; }
.model-card .mc-metrics b { font-size: 15px; }
.model-card .mc-metrics small { color: var(--muted); font-size: 10px; }
.model-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; }
.input-count { font-size: 11px; }
.model-detail-hero { overflow: hidden; border: 1px solid #cfe4e7; border-radius: 16px; background: radial-gradient(circle at 100% 0%, rgba(112,224,228,.25), transparent 33%), linear-gradient(135deg, #f2fbfc 0%, #f5f8fd 100%); box-shadow: var(--shadow-sm); }
.model-detail-main { padding: 18px 24px 22px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 16px; color: var(--muted); font-size: 12px; }
.back-link:hover { color: var(--primary); }
.model-detail-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; border-radius: 14px; color: #fff; font-size: 24px; flex-shrink: 0; box-shadow: 0 9px 16px rgba(14,127,140,.15); }
.model-detail-desc { max-width: 860px; margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.model-detail-metrics { display: flex; gap: 24px; align-items: center; padding-top: 4px; }
.model-detail-metrics div { min-width: 54px; text-align: center; }
.model-detail-metrics strong { display: block; color: var(--primary); font-size: 20px; line-height: 1.2; }
.model-detail-metrics span { color: var(--muted); font-size: 10px; }
.model-form-card .card-body { padding-top: 18px; }
.steps { padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.step { white-space: nowrap; }
.step.active { color: var(--primary-dark); font-weight: 600; }
.step-num { background: #c3ced9; }
.step.active .step-num { background: var(--primary); }
.form-context { display: flex; align-items: center; gap: 7px; margin: 16px 0 18px; padding: 9px 11px; border-radius: 8px; background: var(--primary-light); color: var(--primary-dark); font-size: 12px; }
.form-context i { color: var(--primary); }
.model-field .form-control, .model-field .form-select { background: #fbfdff; }
.disclaimer { color: var(--muted); font-size: 11px; line-height: 1.7; }
.analysis-settings-card .card-body { padding-bottom: 18px; }
.source-switch .form-check { margin: 0; padding: 0; }
.source-switch .form-check-input { position: absolute; opacity: 0; pointer-events: none; }
.source-switch .form-check-label { display: inline-flex; align-items: center; gap: 5px; padding: 7px 11px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--muted); cursor: pointer; font-size: 12px; }
.source-switch .form-check-input:checked + .form-check-label { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.upload-dropzone { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 93px; gap: 3px; padding: 12px; border: 1px dashed #9bc8ce; border-radius: 10px; background: #f7fcfd; color: var(--primary); cursor: pointer; text-align: center; }
.upload-dropzone:hover, .upload-dropzone.is-dragover { border-color: var(--primary); background: var(--primary-light); }
.upload-dropzone i { font-size: 22px; }
.upload-dropzone span { font-size: 12px; font-weight: 600; }
.upload-dropzone small { color: var(--muted); font-size: 10px; }
.file-name { min-height: 17px; margin-top: 4px; color: var(--muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.workflow-steps { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; padding: 11px 15px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.66); }
.workflow-steps > i { color: #b5c2cf; font-size: 12px; }
.workflow-step { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.workflow-step > span { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; flex: 0 0 auto; border-radius: 8px; background: #eef2f7; color: var(--muted); font-size: 10px; font-weight: 700; }
.workflow-step.active > span { background: var(--primary-light); color: var(--primary); }
.workflow-step strong, .workflow-step small { display: block; }
.workflow-step strong { color: var(--text); font-size: 12px; }
.workflow-step small { color: var(--muted); font-size: 10px; }
.analysis-actions { margin-top: 12px; }
.analysis-empty { min-height: 255px; }

body.ai-open { overflow: hidden; }

@media (max-width: 1200px) {
  .stat-grid.stat-grid-six { grid-template-columns: repeat(3, 1fr); }
  .dataset-panel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-spotlight { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 响应式 */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close, .sidebar-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .sidebar-backdrop { position: fixed; inset: 0; background: rgba(15,30,45,.35); opacity: 0; pointer-events: none; display: block; z-index: 95; transition: opacity .2s; }
  .sidebar-backdrop.show { opacity: 1; pointer-events: auto; }
  .main { margin-left: 0; }
  .topbar-left { gap: 4px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid.stat-grid-six { grid-template-columns: repeat(2, 1fr); }
  .overview-hero { align-items: flex-start; flex-direction: column; }
  .dataset-panel-grid, .model-spotlight { grid-template-columns: 1fr; }
  .workspace-grid { grid-template-columns: 1fr; }
  .workspace-side { position: static; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-intro { align-items: flex-start; flex-direction: column; }
  .model-detail-metrics { margin-left: 68px; padding-top: 0; }
  .workflow-steps { gap: 7px; }
}

@media (max-width: 560px) {
  .content { padding: 16px; }
  .topbar { padding: 0 14px; }
  .topbar-title h1 { font-size: 16px; }
  .topbar-actions .btn-ai { padding: 7px 10px; }
  .topbar-actions .btn-logout { display: none; }
  .overview-hero { padding: 20px; }
  .overview-hero h2 { font-size: 20px; }
  .panel-stats { grid-template-columns: repeat(3, 1fr); }
  .metric-grid { grid-template-columns: 1fr; }
  .patient-hero { align-items: flex-start; flex-wrap: wrap; }
  .patient-meta { min-width: 0; }
  .patient-meta h2 { font-size: 18px; }
  .page-intro h2 { font-size: 20px; }
  .page-intro-actions { width: 100%; }
  .dataset-grid, .model-grid { grid-template-columns: 1fr; }
  .model-detail-main { padding: 16px; }
  .model-detail-metrics { width: 100%; margin-left: 0; justify-content: space-around; gap: 8px; padding-top: 6px; }
  .model-card .mc-metrics { gap: 3px; }
  .analysis-actions { align-items: stretch !important; flex-direction: column; }
  .analysis-actions .btn { width: 100%; }
  .workflow-steps { align-items: stretch; flex-direction: column; gap: 8px; }
  .workflow-steps > i { display: none; }
  .workflow-step { flex: 0 0 auto; }
  .assistant-panel { width: 100%; max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}