/* AI-CRC-CDSS 临床决策辅助系统 — 共享样式 */
:root {
  --bg:#f8fafc; --sidebar-bg:#fff; --card-bg:#fff;
  --text-main:#1e293b; --text-muted:#64748b; --border:#e2e8f0;
  --primary:#0284c7; --primary-light:#e0f2fe; --primary-dark:#0369a1;
  --success:#10b981; --warning:#f59e0b; --danger:#ef4444;
  --shadow-sm:0 1px 2px 0 rgb(0 0 0/.05);
  --shadow-md:0 4px 6px -1px rgb(0 0 0/.1),0 2px 4px -2px rgb(0 0 0/.1);
  --radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Noto Sans SC',system-ui,sans-serif;background:var(--bg);color:var(--text-main);min-height:100vh}

/* ── Sidebar ── */
.sidebar{position:fixed;left:0;top:0;width:260px;height:100vh;background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:10;box-shadow:var(--shadow-sm)}
.logo{padding:20px 24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}
.logo-icon{width:40px;height:40px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff}
.logo-text{font-size:15px;font-weight:700;line-height:1.3}.logo-text span{display:block;font-size:12px;font-weight:400;color:var(--text-muted)}
.nav{flex:1;padding:16px;overflow-y:auto}
.nav-section{margin-bottom:20px}
.nav-section-title{font-size:11px;font-weight:600;color:var(--text-muted);letter-spacing:1px;padding:0 12px;margin-bottom:6px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius);font-size:14px;color:#475569;font-weight:500;cursor:pointer;transition:all .2s;margin-bottom:2px;text-decoration:none}
.nav-item:hover{background:#f1f5f9;color:var(--text-main)}
.nav-item.active{background:var(--primary-light);color:var(--primary)}
.nav-item i{font-size:18px;width:20px;text-align:center}
.sidebar-footer{padding:14px 20px;border-top:1px solid var(--border)}
.user-info{display:flex;align-items:center;gap:12px}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff}

/* ── Main ── */
.main{margin-left:260px;min-height:100vh;display:flex;flex-direction:column}
.header{padding:20px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:5}
.header h1{font-size:22px;font-weight:700}
.header-sub{font-size:13px;color:var(--text-muted);margin-top:2px}
.content{flex:1;padding:24px 32px;overflow-y:auto}

/* ── Cards ── */
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.card-title{font-size:14px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px;color:var(--text-main)}
.card-title i{color:var(--primary)}

/* ── Stat cards ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-icon.green{background:#dcfce7;color:#16a34a}
.stat-icon.orange{background:#ffedd5;color:#ea580c}
.stat-icon.purple{background:#f3e8ff;color:#9333ea}
.stat-icon.red{background:#fee2e2;color:#dc2626}
.stat-icon.cyan{background:#cffafe;color:#0891b2}
.stat-value{font-size:26px;font-weight:700;line-height:1}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ── Buttons ── */
.btn{padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:6px;transition:all .2s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:#fff;color:var(--text-main);border:1px solid var(--border)}.btn-outline:hover{background:#f8fafc}
.btn-success{background:var(--success);color:#fff}
.btn-lg{padding:12px 24px;font-size:15px;border-radius:var(--radius)}

/* ── Tables ── */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px 12px;background:#f8fafc;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid var(--border);color:#374151}
tr:hover{background:#fafafa}

/* ── Tags / Badges ── */
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.tag-blue{background:var(--primary-light);color:var(--primary)}
.tag-green{background:#dcfce7;color:#16a34a}
.tag-orange{background:#ffedd5;color:#ea580c}
.tag-red{background:#fee2e2;color:#dc2626}
.tag-purple{background:#f3e8ff;color:#9333ea}
.tag-gray{background:#f1f5f9;color:#64748b}

/* ── Form ── */
textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius);padding:12px;font-family:inherit;font-size:14px;resize:vertical;line-height:1.6}
textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(2,132,199,.1)}

/* ── Tabs ── */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:16px}
.tab{padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}
.tab:hover{color:var(--text-main)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-content{display:none}.tab-content.active{display:block}

/* ── Entity highlight ── */
.ent{padding:1px 4px;border-radius:3px;font-size:13px;border-bottom:2px solid}
.ent-symptom{background:#fef3c7;border-color:#f59e0b;color:#92400e}
.ent-disease{background:#fee2e2;border-color:#ef4444;color:#991b1b}
.ent-exam{background:#dbeafe;border-color:#3b82f6;color:#1e40af}
.ent-procedure{background:#dcfce7;border-color:#22c55e;color:#166534}
.ent-time{background:#e0e7ff;border-color:#6366f1;color:#3730a3}
.ent-drug{background:#fce7f3;border-color:#ec4899;color:#9d174d}
.ent-gene{background:#f3e8ff;border-color:#a855f7;color:#6b21a8}
.ent-lab{background:#cffafe;border-color:#06b6d4;color:#155e75}

/* ── NER backend annotation classes ── */
.ner{padding:1px 4px;border-radius:3px;border-bottom:2px solid;position:relative}
.ner-tag{font-size:9px;vertical-align:super;margin-left:2px;opacity:.7;font-weight:600}
.ner-date{background:#e0e7ff;border-color:#6366f1;color:#3730a3}
.ner-symp{background:#fef3c7;border-color:#f59e0b;color:#92400e}
.ner-diag,.ner-hist{background:#fee2e2;border-color:#ef4444;color:#991b1b}
.ner-exam{background:#dbeafe;border-color:#3b82f6;color:#1e40af}
.ner-rslt{background:#dcfce7;border-color:#22c55e;color:#166534}
.ner-proc{background:#d1fae5;border-color:#10b981;color:#065f46}
.ner-drug{background:#fce7f3;border-color:#ec4899;color:#9d174d}
.ner-gene{background:#f3e8ff;border-color:#a855f7;color:#6b21a8}
.ner-lab{background:#cffafe;border-color:#06b6d4;color:#155e75}
.ner-stage{background:#fce7f3;border-color:#db2777;color:#831843}
.ner-path{background:#fff7ed;border-color:#f97316;color:#9a3412}
.ner-body{background:#f0fdf4;border-color:#4ade80;color:#166534}

/* ── Timeline ── */
.tl{position:relative;padding-left:24px}
.tl::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border)}
.tl-item{position:relative;margin-bottom:16px;padding-left:16px}
.tl-item::before{content:'';position:absolute;left:-20px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.tl-date{font-size:12px;color:var(--primary);font-weight:600;margin-bottom:2px}
.tl-text{font-size:13px;color:#374151}

/* ── Loading spinner ── */
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-overlay{position:absolute;inset:0;background:rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;z-index:20;gap:8px;font-size:14px;color:var(--text-muted)}

/* ── Responsive ── */
@media(max-width:900px){.sidebar{width:60px}.sidebar .logo-text,.sidebar .nav-section-title,.sidebar .nav-item span,.sidebar .sidebar-footer{display:none}.sidebar .nav-item{justify-content:center;padding:10px}.main{margin-left:60px}}

/* ── Page specific ── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:1100px){.grid-2,.grid-3{grid-template-columns:1fr}}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state i{font-size:48px;opacity:.3;margin-bottom:12px}
.empty-state p{font-size:14px;margin-top:8px}
.chip{display:inline-block;padding:6px 14px;border-radius:20px;font-size:13px;cursor:pointer;border:1px solid var(--border);background:#fff;transition:all .2s;margin:4px}
.chip:hover,.chip.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.progress-bar{height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden}
.progress-fill{height:100%;border-radius:4px;transition:width .3s}