/* ============================================
   HealthGuard AI - Design System
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,'Inter',system-ui,sans-serif;background:#f3f4f6;display:flex;justify-content:center;min-height:100vh;-webkit-font-smoothing:antialiased}
#app-root{width:100%;max-width:430px;min-height:100vh;background:#f8fafc;position:relative;overflow-x:hidden}
.page{display:block;padding:0 0 100px;min-height:100vh}
.ai-chat-page{display:flex;flex-direction:column;min-height:100vh;padding-bottom:0}
.page-top-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 14px}
.page-top-bar-left{width:36px;height:36px;border-radius:12px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s}
.page-top-bar-left:active{background:#e2e8f0}
.page-top-bar-left i{font-size:15px;color:#374151}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:10px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10}
.modal-close i{font-size:14px;color:rgba(255,255,255,.92)}
.modal-content{position:relative}
.top-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 6px;background:transparent;position:relative;z-index:10}
.top-bar-left i,.top-bar-right i{font-size:18px;color:#1f2937;cursor:pointer}
.top-bar-center{display:flex;align-items:center;gap:4px;cursor:pointer;padding:4px 10px;background:white;border-radius:999px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.location-pin{font-size:12px;color:#3b82f6}
.city-name{font-size:13px;font-weight:600;color:#1f2937}
.city-arrow{font-size:10px;color:#9ca3af;margin-left:2px}
.hero-section{background:linear-gradient(135deg,#eff6ff 0%,#e0f2fe 40%,#f0f9ff 100%);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;background:rgba(59,130,246,.06);border-radius:50%}
.hero-content{flex:1;z-index:2}
.hero-title{font-size:22px;line-height:1.2;color:#ffffff;font-weight:800;text-shadow:0 1px 3px rgba(0,0,0,.3)}
.hero-subtitle{font-size:11px;color:#6b7280;line-height:1.45;margin-top:4px}
.hero-illustration{width:85px;height:85px;flex-shrink:0;margin-left:6px}
.hero-svg{width:100%;height:100%}
.action-buttons{padding:0 16px;margin-bottom:10px}
.action-btn{display:flex;align-items:center;gap:14px;padding:16px;border-radius:20px;cursor:pointer;transition:all .2s;margin-bottom:10px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.action-btn:active{transform:scale(.98)}
.action-blue{background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%)}
.action-red{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%)}
.action-icon-wrap{width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.action-icon-wrap i{font-size:20px;color:white}
.action-text{flex:1}
.action-text h3{font-size:16px;font-weight:700;color:white;margin-bottom:1px}
.action-text p{font-size:12px;color:rgba(255,255,255,.85);font-weight:500}
.action-arrow{color:white;font-size:16px;opacity:.8}
.disclaimer-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;margin:0 16px 14px;background:#f8fafc;border-radius:12px;border:1px solid #e2e8f0}
.disclaimer-bar i{color:#94a3b8;font-size:14px}
.disclaimer-bar span{font-size:11px;color:#64748b;font-weight:500}
.section-header{display:flex;justify-content:space-between;align-items:center;padding:0 16px;margin-bottom:10px}
.section-title-wrap{display:flex;align-items:center;gap:6px}
.section-emoji{font-size:17px}
.section-title-wrap strong{font-size:15px;color:#1f2937}
.hospital-hero-card{margin:0 16px 18px;background:white;border-radius:24px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);cursor:pointer;border:1px solid #f1f5f9;transition:all .2s}
.hospital-hero-card:hover{box-shadow:0 6px 24px rgba(0,0,0,.08)}
.hospital-hero-img{width:100%;height:100px;background-color:#e5e7eb;background-size:cover;background-position:center}
.hospital-hero-body{padding:14px 16px 16px}
.hosp-hero-title-row{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
.hosp-hero-name{font-size:17px;font-weight:700;color:#1f2937;line-height:1.3}
.hosp-grade-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:8px;font-size:11px;font-weight:700;white-space:nowrap;flex-shrink:0}
.grade-3a{background:#fef3c7;color:#d97706}
.grade-intl{background:#dbeafe;color:#2563eb}
.grade-3b{background:#eff6ff;color:#2563eb}
.grade-comm{background:#f0fdf4;color:#166534}
.hosp-hero-name-cn{font-size:12px;color:#9ca3af;margin-top:2px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.hosp-hero-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:#6b7280;margin-bottom:10px;flex-wrap:nowrap}
.hosp-hero-meta i{color:#f59e0b;margin-right:3px;font-size:11px}
.hosp-hero-meta span{white-space:nowrap}
.hosp-hero-footer{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.hosp-distance-badge{display:inline-flex;align-items:center;gap:4px;background:#f0fdf4;color:#166534;font-size:11px;font-weight:700;padding:3px 10px;border-radius:8px}
.hosp-hero-actions{display:flex;gap:8px}
.btn-hosp-call{flex:1;padding:8px;border-radius:10px;background:#f1f5f9;color:#1f2937;border:none;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px}
.btn-hosp-call i{font-size:12px}
.btn-hosp-navigate{flex:1;padding:8px;border-radius:10px;background:#eff6ff;color:#2563eb;border:none;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px}
.btn-hosp-navigate i{font-size:12px}
.health-article-card{margin:0 16px 16px;background:white;border-radius:16px;overflow:hidden;display:flex;border:1px solid #f1f5f9;box-shadow:0 1px 3px rgba(15,23,42,.04);cursor:pointer}
.article-thumb{width:90px;min-height:80px;background-color:#e5e7eb;background-size:cover;background-position:center;flex-shrink:0}
.article-content{flex:1;padding:10px 12px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.article-content h4{font-size:13px;font-weight:700;color:#1f2937;line-height:1.3;margin-bottom:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-content p{font-size:11px;color:#6b7280;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-arrow{color:#d1d5db;font-size:14px;margin-left:8px;align-self:center;flex-shrink:0}
.tab-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid rgba(0,0,0,.06);display:flex;justify-content:space-around;align-items:center;padding:6px 0 calc(6px + env(safe-area-inset-bottom));z-index:100}
.tab-item{display:flex;flex-direction:column;align-items:center;color:#9ca3af;font-size:10px;cursor:pointer;padding:6px 0;transition:color .2s;position:relative}
.tab-item.active{color:#3b82f6}
.tab-item i{font-size:22px;margin-bottom:3px}
.tab-badge{position:absolute;top:-2px;right:-10px;background:#ef4444;color:white;font-size:10px;font-weight:700;min-width:18px;height:18px;line-height:18px;text-align:center;border-radius:9px;padding:0 5px;box-shadow:0 2px 4px rgba(239,68,68,.3)}
.card{background:white;border-radius:22px;padding:18px;margin-bottom:16px;border:1px solid #f1f5f9;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.card-sm{padding:14px;border-radius:18px}
.fade-in{animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.city-picker-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;display:flex;align-items:flex-end;justify-content:center}
.city-picker-sheet{background:white;border-radius:24px 24px 0 0;width:100%;max-width:430px;max-height:60vh;padding:20px 16px calc(20px + env(safe-area-inset-bottom));animation:slideUp .25s ease}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.city-picker-title{font-size:17px;font-weight:700;color:#1f2937;margin-bottom:16px;text-align:center}
.city-option{display:flex;align-items:center;gap:12px;padding:14px 12px;border-radius:14px;cursor:pointer;transition:all .15s;border:1px solid #f1f5f9;margin-bottom:8px}
.city-option:active{background:#f8fafc}
.city-option.active{border-color:#3b82f6;background:#eff6ff}
.city-option.coming{opacity:.6}
.city-option .city-name{font-size:15px;font-weight:600;color:#1f2937}
.city-option .city-display{font-size:13px;color:#6b7280}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:150;display:flex;align-items:center;justify-content:center;padding:24px}
.modal-box{background:white;border-radius:20px;padding:24px;width:100%;max-width:340px;text-align:center}
.modal-box h3{font-size:18px;font-weight:700;color:#1f2937;margin-bottom:8px}
.modal-box p{font-size:14px;color:#6b7280;margin-bottom:20px;line-height:1.5}
.modal-box button{padding:12px 32px;border-radius:12px;background:#3b82f6;color:white;border:none;font-size:15px;font-weight:600;cursor:pointer}
.empty-state{text-align:center;padding:40px 20px;color:#9ca3af}
.empty-state i{font-size:48px;margin-bottom:12px;opacity:.4}
.empty-state p{font-size:14px}
.btn-primary{display:block;width:100%;padding:14px;border-radius:14px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:white;border:none;font-size:16px;font-weight:700;cursor:pointer;text-align:center}
.btn-primary:active{opacity:.9}
.btn-secondary{display:block;width:100%;padding:14px;border-radius:14px;background:white;color:#374151;border:1px solid #e5e7eb;font-size:15px;font-weight:600;cursor:pointer;text-align:center;margin-top:10px}
.form-group{margin-bottom:16px;text-align:left}
.form-group label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:6px}
.form-input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #e5e7eb;font-size:15px;color:#1f2937;outline:none;transition:border .2s}
.form-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.form-input::placeholder{color:#cbd5e1}
.link{color:#3b82f6;cursor:pointer;font-size:13px;font-weight:600}
.link:active{opacity:.7}
.text-sm{font-size:13px}
.text-xs{font-size:11px}
.text-center{text-align:center}
.mt-2{margin-top:8px}
.mt-4{margin-top:16px}
.mb-4{margin-bottom:16px}
.p-4{padding:16px}
.library-detail-page{padding:0 0 100px}
.library-detail-page .article-back{display:flex;align-items:center;gap:8px;padding:14px 16px;cursor:pointer;color:#6b7280;font-size:14px}
.library-detail-page .article-back i{font-size:16px}
.library-detail-page .article-hero{width:100%;height:200px;background-color:#e5e7eb;background-size:cover;background-position:center}
.library-detail-page .article-body{padding:16px;background:white}
.library-detail-page .article-body h1{font-size:20px;font-weight:800;color:#1f2937;margin-bottom:8px;line-height:1.3}
.library-detail-page .article-body .article-meta{font-size:12px;color:#9ca3af;margin-bottom:16px}
.auth-page{padding:0 0 100px}
.auth-container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:24px;background:#f8fafc}
.auth-logo{text-align:center;margin-bottom:32px}
.auth-logo i{font-size:48px;color:#3b82f6;margin-bottom:12px}
.auth-logo h1{font-size:24px;font-weight:800;color:#1f2937}
.auth-logo p{font-size:14px;color:#6b7280;margin-top:4px}
.auth-tabs{display:flex;background:#e5e7eb;border-radius:12px;padding:3px;margin-bottom:24px}
.auth-tab{flex:1;padding:10px;text-align:center;border-radius:10px;font-size:14px;font-weight:600;color:#6b7280;cursor:pointer;transition:all .2s;border:none;background:none}
.auth-tab.active{background:white;color:#1f2937;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.auth-form{display:flex;flex-direction:column;gap:12px}
.auth-form .form-input{padding:14px;border-radius:14px}
.auth-footer{text-align:center;margin-top:20px;font-size:13px;color:#9ca3af}
.ocr-page{padding:0 0 100px}
.ocr-tabs{display:flex;padding:8px 16px;gap:4px;background:#f1f5f9;border-radius:12px;margin:12px 16px}
.ocr-tab{flex:1;padding:8px;text-align:center;border-radius:10px;font-size:13px;font-weight:600;color:#6b7280;cursor:pointer;border:none;background:none;transition:all .2s}
.ocr-tab.active{background:white;color:#3b82f6;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.ocr-upload-zone{border:2px dashed #e5e7eb;border-radius:16px;padding:32px 16px;text-align:center;margin:16px;cursor:pointer;transition:all .2s}
.ocr-upload-zone:active{border-color:#3b82f6;background:#eff6ff}
.ocr-upload-zone i{font-size:36px;color:#9ca3af;margin-bottom:8px}
.ocr-upload-zone p{font-size:13px;color:#6b7280}
.ocr-history-item{padding:12px 16px;border-bottom:1px solid #f1f5f9;display:flex;align-items:center;gap:12px}
.ocr-history-item i{font-size:20px;color:#3b82f6}
.ocr-history-item .info{flex:1}
.ocr-history-item .info .name{font-size:14px;font-weight:600;color:#1f2937}
.ocr-history-item .info .date{font-size:12px;color:#9ca3af}
.ocr-history-item .actions{display:flex;gap:8px}
.ocr-history-item .actions button{padding:6px 12px;border-radius:8px;border:none;font-size:12px;cursor:pointer}
.records-page{padding:0 0 100px}
.record-card{padding:14px 16px;border-bottom:1px solid #f1f5f9}
.record-card .date{font-size:12px;color:#9ca3af;margin-bottom:4px}
.record-card .hospital{font-size:15px;font-weight:600;color:#1f2937}
.record-card .notes{font-size:13px;color:#6b7280;margin-top:4px}
.emergency-actions{display:flex;flex-direction:column;gap:12px;padding:16px}
.emergency-action-btn{display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:20px;color:white;font-size:16px;font-weight:700;cursor:pointer;border:none;text-align:left;transition:all .2s}
.emergency-action-btn:active{transform:scale(.98);opacity:.9}
.emergency-action-btn i{font-size:24px;opacity:.9}
.ai-guide-page{padding:0 0 100px}
.guide-content{padding:16px}
.guide-content h2{font-size:18px;font-weight:700;color:#1f2937;margin-bottom:12px}
.guide-content p{font-size:14px;color:#4b5563;line-height:1.7;margin-bottom:12px}
.guide-content .action-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}
.guide-content .action-card{padding:16px;border-radius:14px;background:#f8fafc;text-align:center;cursor:pointer;transition:all .2s;border:1px solid #e5e7eb}
.guide-content .action-card:active{background:#f1f5f9}
.guide-content .action-card i{font-size:28px;color:#3b82f6;margin-bottom:8px}
.guide-content .action-card span{font-size:13px;font-weight:600;color:#374151}
.guide-disclaimer{background:#fef3c7;border-radius:12px;padding:14px 16px;margin:0 16px 16px;font-size:12px;color:#92400e;line-height:1.5}
.spinner{width:24px;height:24px;border:3px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite;margin:20px auto}
@keyframes spin{to{transform:rotate(360deg)}}
::-webkit-scrollbar{width:0;height:0}
@supports(padding-top:env(safe-area-inset-top)){body{padding-top:env(safe-area-inset-top)}}