:root{--background: #ffffff;--foreground: #0a0a0a;--card: #f7f3ef;--card-foreground: #0a0a0a;--primary: #e6aa74;--primary-hover: #d4944e;--primary-foreground: #ffffff;--secondary: #f5f5f5;--secondary-foreground: #171717;--muted: #f5f5f5;--muted-foreground: #737373;--accent: #f5f0eb;--accent-foreground: #bf6f28;--destructive: #dc2626;--destructive-foreground: #fef2f2;--success: #34c759;--border: #e8e0d8;--input: #e5e5e5;--ring: #e6aa74;--radius: 12px;--tg-theme-bg-color: var(--background);--tg-theme-text-color: var(--foreground);--tg-theme-hint-color: var(--muted-foreground);--tg-theme-link-color: var(--accent-foreground);--tg-theme-button-color: var(--primary);--tg-theme-button-text-color: var(--primary-foreground);--tg-theme-secondary-bg-color: var(--card);--xp-color: #f59e0b;--success-color: var(--success);--danger-color: var(--destructive);--border-radius: var(--radius)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased}.app{max-width:480px;margin:0 auto;padding:16px 16px 80px;min-height:100vh}.page-title{font-size:24px;font-weight:700;margin-bottom:16px}.card{background:var(--card);color:var(--card-foreground);border:1px solid var(--border);border-radius:var(--border-radius);padding:16px;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:var(--border-radius);border:none;background:var(--primary);color:var(--primary-foreground);font-size:16px;font-weight:600;cursor:pointer;width:100%;transition:background .2s,opacity .2s}.btn:active{background:var(--primary-hover)}.btn--secondary{background:var(--accent);color:var(--accent-foreground);border:1px solid var(--border)}.btn--secondary:active{background:var(--border)}.nav-bar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--background);border-top:1px solid var(--border);padding:8px 0;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--muted-foreground);text-decoration:none;padding:4px 12px}.nav-item.active{color:var(--primary)}.nav-item span.icon{font-size:22px}.xp-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;padding:4px 10px;border-radius:20px;font-size:13px;font-weight:700}.progress-bar{width:100%;height:8px;background:var(--muted);border-radius:4px;overflow:hidden}.progress-bar__fill{height:100%;border-radius:4px;transition:width .5s ease}.stratum-0{background:#94a3b8}.stratum-1{background:#60a5fa}.stratum-2{background:#a78bfa}.stratum-3{background:var(--primary)}.dig-site-card{background:var(--card);border:1px solid var(--border);border-radius:var(--border-radius);padding:20px;margin-bottom:12px;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;align-items:center;gap:16px}.dig-site-card:active{transform:scale(.98)}.dig-site-icon{font-size:40px;flex-shrink:0}.dig-site-info{flex:1}.dig-site-name{font-size:18px;font-weight:700;margin-bottom:4px}.dig-site-desc{font-size:13px;color:var(--muted-foreground);margin-bottom:8px}.dig-site-stats{font-size:12px;color:var(--muted-foreground)}.artifact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--border-radius);padding:16px;margin-bottom:8px;cursor:pointer;display:flex;align-items:center;gap:12px}.artifact-level{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#fff;flex-shrink:0}.artifact-info{flex:1}.artifact-name{font-size:15px;font-weight:600;margin-bottom:2px}.artifact-desc{font-size:12px;color:var(--muted-foreground)}.quiz-question{margin-bottom:24px}.quiz-question__text{font-size:16px;font-weight:600;margin-bottom:12px}.quiz-question__code{background:#1e293b;color:#e2e8f0;padding:12px;border-radius:8px;font-family:SF Mono,Fira Code,monospace;font-size:13px;margin-bottom:12px;overflow-x:auto;white-space:pre}.quiz-option{display:block;width:100%;text-align:left;padding:12px 16px;border:2px solid var(--border);border-radius:var(--border-radius);background:transparent;color:var(--foreground);font-size:15px;margin-bottom:8px;cursor:pointer;transition:all .2s}.quiz-option:active{transform:scale(.98)}.quiz-option.selected{border-color:var(--primary);background:#e6aa741a}.quiz-option.correct{border-color:var(--success);background:#34c7591a}.quiz-option.wrong{border-color:var(--destructive);background:#dc262614}.profile-header{text-align:center;padding:24px 0}.profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 12px}.profile-name{font-size:22px;font-weight:700;margin-bottom:4px}.profile-rank{font-size:14px;color:var(--muted-foreground);margin-bottom:12px}.achievement{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--border-radius);background:var(--card);border:1px solid var(--border);margin-bottom:8px}.achievement.locked{opacity:.4}.achievement__icon{font-size:28px;flex-shrink:0}.achievement__info{flex:1}.achievement__name{font-weight:600;font-size:14px}.achievement__desc{font-size:12px;color:var(--muted-foreground)}.lb-row{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--border-radius);background:var(--card);border:1px solid var(--border);margin-bottom:8px}.lb-row.current-user{border:2px solid var(--primary);background:#e6aa740f}.lb-position{font-size:18px;font-weight:700;width:32px;text-align:center}.lb-info{flex:1}.lb-name{font-weight:600;font-size:15px}.lb-rank{font-size:12px;color:var(--muted-foreground)}@keyframes xp-pop{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.xp-popup{animation:xp-pop .5s ease-out;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;padding:20px 40px;border-radius:20px;font-size:24px;font-weight:700;z-index:1000;box-shadow:0 10px 40px #f59e0b4d}.assessment-selector{display:flex;gap:8px;margin:12px 0}.assessment-btn{flex:1;padding:10px;border-radius:8px;border:2px solid var(--border);background:transparent;color:var(--foreground);font-size:14px;font-weight:600;cursor:pointer;text-align:center;transition:all .2s}.assessment-btn.active{border-color:var(--primary);background:#e6aa741f;color:var(--accent-foreground)}.loading{text-align:center;padding:40px;color:var(--muted-foreground)}.admin-page{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.admin-header h1{font-size:24px;font-weight:700}.admin-logout{background:none;border:1px solid var(--muted-foreground);color:var(--muted-foreground);padding:6px 16px;border-radius:8px;cursor:pointer;font-size:14px}.admin-logout:hover{border-color:var(--destructive);color:var(--destructive)}.admin-login{max-width:360px;margin:120px auto 0;text-align:center}.admin-login h1{font-size:28px;margin-bottom:8px}.admin-login p{color:var(--muted-foreground);margin-bottom:20px}.admin-input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--border-radius);background:transparent;color:var(--foreground);font-size:16px;margin-bottom:12px;outline:none}.admin-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #e6aa7426}.admin-error{color:var(--destructive);font-size:14px;margin-bottom:12px}.admin-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:2px solid var(--border);padding-bottom:0}.admin-tab{padding:10px 20px;border:none;background:none;color:var(--muted-foreground);font-size:14px;font-weight:600;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .2s,border-color .2s}.admin-tab:hover{color:var(--foreground)}.admin-tab.active{color:var(--accent-foreground);border-bottom-color:var(--primary)}.admin-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media(max-width:600px){.admin-stats-grid{grid-template-columns:repeat(2,1fr)}}.admin-stat-value{font-size:28px;font-weight:700;color:var(--accent-foreground)}.admin-stat-label{font-size:13px;color:var(--muted-foreground);margin-top:4px}.admin-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.admin-table{width:100%;border-collapse:collapse;font-size:14px;white-space:nowrap}.admin-table th{text-align:left;padding:10px 12px;font-weight:600;color:var(--muted-foreground);border-bottom:2px solid var(--border);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border)}.admin-table tbody tr{cursor:pointer;transition:background .15s}.admin-table tbody tr:hover{background:var(--accent)}.admin-table tbody tr.suspicious{background:#dc26260f}.admin-table tbody tr.suspicious:hover{background:#dc26261f}.admin-table tbody tr.perfect{background:#34c7590f}.admin-detail-card{background:var(--card);border:1px solid var(--border);border-radius:var(--border-radius);padding:20px;margin-bottom:16px}.admin-detail-card h2{font-size:20px;margin-bottom:12px}.admin-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:16px}.admin-detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--muted-foreground);margin-bottom:8px}.admin-suspicion-badge{background:#dc262614;color:var(--destructive);padding:8px 12px;border-radius:8px;font-size:13px;margin-top:8px}.admin-reasons{list-style:none;padding:0;margin:0 0 12px}.admin-reasons li{padding:4px 0;font-size:14px;color:var(--destructive)}.admin-reasons li:before{content:"! ";font-weight:700}.admin-evidence{margin-bottom:12px;font-size:13px}.admin-evidence summary{cursor:pointer;color:var(--muted-foreground);margin-bottom:4px}.admin-evidence pre{background:#1e293b;color:#e2e8f0;padding:10px;border-radius:8px;font-size:12px;overflow-x:auto}.btn--danger{background:var(--destructive);color:var(--destructive-foreground)}.btn--danger:hover{opacity:.9}