:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2481cc;--tg-theme-button-color: #2481cc;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f0f0f0;--xp-color: #f59e0b;--success-color: #10b981;--danger-color: #ef4444;--border-radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);-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(--tg-theme-secondary-bg-color);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(--tg-theme-button-color);color:var(--tg-theme-button-text-color);font-size:16px;font-weight:600;cursor:pointer;width:100%;transition:opacity .2s}.btn:active{opacity:.8}.btn--secondary{background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color)}.nav-bar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--tg-theme-bg-color);border-top:1px solid var(--tg-theme-secondary-bg-color);padding:8px 0;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--tg-theme-hint-color);text-decoration:none;padding:4px 12px}.nav-item.active{color:var(--tg-theme-button-color)}.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(--tg-theme-secondary-bg-color);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:#f59e0b}.dig-site-card{background:var(--tg-theme-secondary-bg-color);border-radius:var(--border-radius);padding:20px;margin-bottom:12px;cursor:pointer;transition:transform .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(--tg-theme-hint-color);margin-bottom:8px}.dig-site-stats{font-size:12px;color:var(--tg-theme-hint-color)}.artifact-card{background:var(--tg-theme-secondary-bg-color);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(--tg-theme-hint-color)}.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(--tg-theme-secondary-bg-color);border-radius:var(--border-radius);background:transparent;color:var(--tg-theme-text-color);font-size:15px;margin-bottom:8px;cursor:pointer;transition:all .2s}.quiz-option:active{transform:scale(.98)}.quiz-option.selected{border-color:var(--tg-theme-button-color);background:#2481cc1a}.quiz-option.correct{border-color:var(--success-color);background:#10b9811a}.quiz-option.wrong{border-color:var(--danger-color);background:#ef44441a}.profile-header{text-align:center;padding:24px 0}.profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--tg-theme-secondary-bg-color);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(--tg-theme-hint-color);margin-bottom:12px}.achievement{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--border-radius);background:var(--tg-theme-secondary-bg-color);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(--tg-theme-hint-color)}.lb-row{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--border-radius);background:var(--tg-theme-secondary-bg-color);margin-bottom:8px}.lb-row.current-user{border:2px solid var(--tg-theme-button-color)}.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(--tg-theme-hint-color)}@keyframes 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h1{font-size:24px;font-weight:700}.admin-logout{background:none;border:1px solid var(--tg-theme-hint-color);color:var(--tg-theme-hint-color);padding:6px 16px;border-radius:8px;cursor:pointer;font-size:14px}.admin-logout:hover{border-color:var(--danger-color);color:var(--danger-color)}.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(--tg-theme-hint-color);margin-bottom:20px}.admin-input{width:100%;padding:12px 16px;border:2px solid var(--tg-theme-secondary-bg-color);border-radius:var(--border-radius);background:transparent;color:var(--tg-theme-text-color);font-size:16px;margin-bottom:12px;outline:none}.admin-input:focus{border-color:var(--tg-theme-button-color)}.admin-error{color:var(--danger-color);font-size:14px;margin-bottom:12px}.admin-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:2px solid var(--tg-theme-secondary-bg-color);padding-bottom:0}.admin-tab{padding:10px 20px;border:none;background:none;color:var(--tg-theme-hint-color);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(--tg-theme-text-color)}.admin-tab.active{color:var(--tg-theme-button-color);border-bottom-color:var(--tg-theme-button-color)}.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(--tg-theme-button-color)}.admin-stat-label{font-size:13px;color:var(--tg-theme-hint-color);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(--tg-theme-hint-color);border-bottom:2px solid var(--tg-theme-secondary-bg-color);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.admin-table td{padding:10px 12px;border-bottom:1px solid var(--tg-theme-secondary-bg-color)}.admin-table tbody tr{cursor:pointer;transition:background .15s}.admin-table tbody tr:hover{background:var(--tg-theme-secondary-bg-color)}.admin-table tbody tr.suspicious{background:#ef444414}.admin-table tbody tr.suspicious:hover{background:#ef444426}.admin-table tbody tr.perfect{background:#10b9810f}.admin-detail-card{background:var(--tg-theme-secondary-bg-color);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(--tg-theme-hint-color);margin-bottom:8px}.admin-suspicion-badge{background:#ef44441a;color:var(--danger-color);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(--danger-color)}.admin-reasons li:before{content:"! ";font-weight:700}.admin-evidence{margin-bottom:12px;font-size:13px}.admin-evidence summary{cursor:pointer;color:var(--tg-theme-hint-color);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(--danger-color);color:#fff}.btn--danger:hover{opacity:.9}