:root{--bg-primary: #050709;--bg-surface: #0a0d13;--bg-card: #0f151f;--bg-card-hover: #141b27;--bg-elevated: #182230;--accent-amber: #f5a623;--accent-amber-glow: rgba(245, 166, 35, .16);--accent-amber-bright: #ffbe4d;--accent-cyan: #38bdf8;--accent-green: #10b981;--accent-red: #f43f5e;--accent-blue: #3b82f6;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--text-code: #cbd5e1;--border-subtle: rgba(255, 255, 255, .07);--border-medium: rgba(255, 255, 255, .14);--border-highlight: rgba(245, 166, 35, .35);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "Cascadia Mono", "JetBrains Mono", Consolas, "SF Mono", Monaco, Courier, monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-card: 0 4px 20px rgba(0, 0, 0, .45);--shadow-glow: 0 0 25px rgba(245, 166, 35, 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var(--border-subtle);border-radius:var(--radius-sm);padding:10px 14px;color:#fff;font-size:14px;font-family:var(--font-sans);outline:none;transition:border-color .15s,box-shadow .15s}.form-input:focus{border-color:var(--accent-amber);box-shadow:0 0 0 2px #f5a62333}.form-input::placeholder{color:var(--text-muted)}.form-hint{font-size:11px;color:var(--text-muted);line-height:1.4}.terms-checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--text-secondary);line-height:1.4}.terms-checkbox-row input[type=checkbox]{margin-top:3px;accent-color:var(--accent-amber)}.terms-link{color:var(--accent-amber);text-decoration:underline;cursor:pointer}.auth-error-banner{background:#f43f5e1a;border:1px solid rgba(244,63,94,.3);color:#fb7185;font-size:12px;padding:10px 14px;border-radius:var(--radius-sm);line-height:1.4}.auth-success-banner{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:#34d399;font-size:12px;padding:10px 14px;border-radius:var(--radius-sm);line-height:1.4}.auth-footer-nav{margin-top:20px;text-align:center;font-size:12px;color:var(--text-muted)}.auth-footer-link{color:var(--accent-amber);font-weight:700;cursor:pointer;background:none;border:none;padding:0;margin-left:4px;font-size:12px}.dt-footer{background-color:#040507;border-top:1px solid var(--border-subtle);padding:54px 0 28px;margin-top:auto;position:relative;z-index:1}.dt-footer-grid{width:100%;max-width:1240px;margin:0 auto 40px;padding:0 24px;display:grid;grid-template-columns:2.2fr 1fr 1fr;gap:48px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;cursor:pointer}.footer-brand-title{color:var(--accent-amber);font-family:var(--font-mono);font-weight:800;font-size:14px;letter-spacing:.5px}.footer-brand-desc{color:var(--text-secondary);font-size:12px;line-height:1.6;max-width:320px;margin-bottom:16px}.footer-status-pill{display:inline-flex;align-items:center;gap:6px;background:#10b9810f;border:1px solid rgba(16,185,129,.2);padding:4px 10px;border-radius:var(--radius-sm)}.status-dot-active{width:5px;height:5px;border-radius:50%;background-color:var(--accent-green)}.status-label-active{font-family:var(--font-mono);font-size:10px;color:var(--accent-green);font-weight:700}.footer-heading{color:var(--text-primary);font-family:var(--font-mono);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-link{background:none;border:none;color:var(--text-muted);font-size:13px;text-align:left;cursor:pointer;padding:0;transition:color .15s}.footer-link:hover{color:var(--accent-amber)}.telemetry-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:12px;display:flex;flex-direction:column;gap:8px;font-family:var(--font-mono);font-size:11px}.telemetry-row{display:flex;align-items:center;justify-content:space-between}.telemetry-key{color:var(--text-muted)}.telemetry-val{color:var(--text-code);font-weight:600}.telemetry-val.highlight{color:var(--accent-green)}.dt-footer-bottom{width:100%;max-width:1240px;margin:0 auto;padding:24px 24px 0;border-top:1px solid rgba(255,255,255,.05);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--text-muted)}@media(max-width:1024px){.hero-title{font-size:38px}.dt-footer-grid{grid-template-columns:1fr 1fr}.feature-detail-grid{grid-template-columns:1fr}.feature-detail-preview-col{border-left:none;border-top:1px solid var(--border-subtle)}}@media(max-width:768px){.dt-header-nav,.dt-header-telemetry,.dt-header-register-btn{display:none}.dt-mobile-menu-btn,.dt-mobile-drawer{display:flex}.hero-title{font-size:30px}.hero-subtitle{font-size:15px}.features-bento-grid{grid-template-columns:1fr}.dt-footer-grid{grid-template-columns:1fr;gap:28px}.stat-item{border-right:none;border-bottom:1px solid var(--border-subtle);padding-bottom:20px}.stat-item:last-child{border-bottom:none}}.account-card{max-width:620px}.account-numbers{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--text-secondary);font-size:14px}.account-numbers strong{color:var(--text-primary);margin-left:8px}.subscription-section{margin:26px 0;padding-bottom:24px;border-bottom:1px solid var(--border-subtle)}.subscription-tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.subscription-tier{padding:14px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-primary);font-size:14px}.subscription-tier strong{color:var(--accent-amber)}.subscription-tier .account-heading{gap:6px}.subscription-tier p{margin-top:12px;line-height:1.7;overflow-wrap:anywhere}.subscription-tier small{display:block;margin-top:6px;color:var(--text-secondary);font-size:13px}.subscription-tier.expiring{border-color:var(--accent-amber)}.subscription-hint{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-top:12px}.payment-options{border:0;display:flex;flex-wrap:wrap;gap:10px;padding:0}.payment-options legend{margin-bottom:12px}.payment-options label{display:flex;gap:8px;align-items:center;padding:12px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);font-size:14px;cursor:pointer}.payment-options label.selected{border-color:var(--accent-amber)}.payment-options input{accent-color:var(--accent-amber)}@media(max-width:600px){.subscription-tiers{grid-template-columns:1fr}}.account-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.account-email{color:var(--text-secondary);font-size:13px;margin-top:8px;overflow-wrap:anywhere}.account-permission{margin:26px 0;padding:20px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-primary)}.account-permission h2,.account-section-title{font-size:16px;font-weight:650}.account-permission p{font-size:13px;line-height:1.7;color:var(--text-secondary);margin:12px 0}.account-badge{font-size:12px;padding:4px 10px;border-radius:var(--radius-sm);color:var(--text-secondary);border:1px solid var(--border-subtle)}.account-badge.enabled{color:var(--accent-green)}.account-section-title{margin-bottom:10px}.account-submit{width:100%;min-height:42px;margin-top:8px}.account-card .auth-error-banner,.account-card .auth-success-banner{margin:14px 0}@media(max-width:480px){.dt-header-actions{gap:8px}.dt-header-actions>.dt-nav-link{font-size:12px;padding:6px}}