:root,[data-theme=light]{--bg-page: #ffffff;--bg-surface: #f8fafc;--bg-card: #ffffff;--bg-pill: #f1f5f9;--text-primary: #0f172a;--text-testing: #475569;--text-secondary: #334155;--text-muted: #64748b;--border-color: #e2e8f0;--border-hover: #cbd5e1;--accent-primary: #2563eb;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-rose: #ef4444;--shadow-card: 0 4px 20px rgba(15, 23, 42, .05);--shadow-btn: 0 2px 8px rgba(15, 23, 42, .06)}[data-theme=dark]{--bg-page: #0b0f19;--bg-surface: #111827;--bg-card: #151d2e;--bg-pill: #1e293b;--text-primary: #f8fafc;--text-testing: #94a3b8;--text-secondary: #cbd5e1;--text-muted: #64748b;--border-color: rgba(255, 255, 255, .09);--border-hover: rgba(255, 255, 255, .2);--accent-primary: #38bdf8;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-rose: #f43f5e;--shadow-card: 0 10px 30px rgba(0, 0, 0, .35);--shadow-btn: 0 4px 12px rgba(0, 0, 0, .25)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100vh;background-color:var(--bg-page);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;transition:background-color .25s ease,color .25s ease}body{display:flex;flex-direction:column}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hidden{display:none!important}.top-progress-track{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:200;overflow:hidden}.top-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-emerald));transition:width .35s ease,opacity .4s ease;opacity:0}.top-progress-bar.is-active{opacity:1}.app-header{width:100%;padding:18px 24px}.header-inner{max-width:980px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.brand-logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--text-primary)}.brand-icon{width:24px;height:24px;color:var(--accent-primary)}.brand-title{font-size:19px;font-weight:800;letter-spacing:-.03em}.brand-title .highlight{color:var(--accent-primary)}.brand-tag{font-size:10px;font-weight:800;letter-spacing:.12em;padding:2px 7px;border-radius:999px;background:var(--bg-pill);color:var(--text-muted);border:1px solid var(--border-color)}.header-actions{display:flex;align-items:center;gap:10px}.btn-icon-toggle{width:38px;height:38px;border-radius:999px;border:1px solid var(--border-color);background:var(--bg-surface);color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.btn-icon-toggle:hover{border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px)}.btn-icon-toggle svg{width:18px;height:18px}.btn-all-tools{font-size:13px;font-weight:600;color:var(--text-secondary);text-decoration:none;padding:8px 14px;border-radius:999px;border:1px solid var(--border-color);background:var(--bg-surface);transition:all .2s ease}.btn-all-tools:hover{border-color:var(--border-hover);color:var(--text-primary)}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:980px;margin:0 auto;padding:16px 24px 48px}.hero-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%;padding:28px 0 20px}.seo-eyebrow{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-muted);margin-bottom:8px}.status-label{font-size:18px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;min-height:28px}.speed-hero-row{display:inline-flex;align-items:center;justify-content:center;gap:20px;margin:4px 0 12px}.giant-speed-number{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:clamp(92px,19vw,184px);font-weight:800;line-height:.95;letter-spacing:-.045em;font-variant-numeric:tabular-nums;color:var(--text-primary);transition:color .3s ease,opacity .3s ease;user-select:all}.giant-speed-number.is-testing{color:var(--text-testing)}.speed-unit-col{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;padding-top:8px}.giant-speed-unit{font-size:clamp(24px,4vw,38px);font-weight:700;color:var(--text-muted);letter-spacing:-.02em;line-height:1}.action-circle-btn{width:52px;height:52px;border-radius:50%;border:2px solid var(--border-hover);background:var(--bg-surface);color:var(--text-primary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-btn);transition:all .2s ease}.action-circle-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary);transform:scale(1.06)}.action-circle-btn .circle-icon{width:24px;height:24px}@keyframes fastSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.action-circle-btn.is-spinning{border-color:var(--accent-primary);color:var(--accent-primary)}.action-circle-btn.is-spinning .circle-icon{animation:fastSpin 1.05s linear infinite}.speed-verdict{font-size:15px;font-weight:500;color:var(--text-muted);max-width:540px;line-height:1.5;margin-bottom:24px;min-height:24px}.speed-verdict strong{color:var(--text-primary);font-weight:600}.more-info-trigger-wrap{margin-top:4px}.btn-more-info{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;font-size:14px;font-weight:600;color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:999px;cursor:pointer;box-shadow:var(--shadow-btn);transition:all .2s ease}.btn-more-info:hover{border-color:var(--border-hover);color:var(--text-primary)}.btn-more-info .chevron-icon{width:16px;height:16px;transition:transform .25s ease}.btn-more-info[aria-expanded=true] .chevron-icon{transform:rotate(180deg)}.more-info-drawer{width:100%;max-height:0;opacity:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1),opacity .35s ease,margin-top .3s ease}.more-info-drawer.is-open{max-height:3200px;opacity:1;margin-top:28px}.drawer-inner{display:flex;flex-direction:column;gap:20px;padding-top:24px;border-top:1px solid var(--border-color)}.fast-details-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}.fast-detail-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;padding:20px 24px;box-shadow:var(--shadow-card);transition:border-color .2s ease}.fast-detail-card.active-testing{border-color:var(--accent-primary)}.fast-detail-heading{display:block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:14px}.fast-submetrics{display:flex;align-items:center;justify-content:space-between;gap:12px}.fast-submetric{display:flex;flex-direction:column;gap:4px}.fast-submetric-divider{width:1px;height:38px;background:var(--border-color)}.submetric-label{font-size:12px;font-weight:500;color:var(--text-muted)}.submetric-val-wrap{display:flex;align-items:baseline;gap:4px}.submetric-number{font-family:JetBrains Mono,monospace;font-size:28px;font-weight:700;color:var(--text-primary);font-variant-numeric:tabular-nums}.submetric-unit{font-size:13px;font-weight:600;color:var(--text-muted)}.peak-pair{font-family:JetBrains Mono,monospace;font-size:20px;font-weight:700;color:var(--text-primary)}.peak-pair .slash{color:var(--text-muted);margin:0 2px}.client-server-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:12px;font-size:13px}.cs-item{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px}.cs-label{font-weight:700;color:var(--text-muted);text-transform:uppercase;font-size:11px;letter-spacing:.06em}.cs-value{font-weight:600;color:var(--text-primary)}.cs-value.mono{font-family:JetBrains Mono,monospace;font-size:12.5px}.cs-dot{color:var(--text-muted)}.btn-tiny-link{background:none;border:1px solid var(--border-color);border-radius:6px;padding:2px 8px;font-size:11px;font-weight:600;color:var(--text-secondary);cursor:pointer}.btn-tiny-link:hover{border-color:var(--border-hover);color:var(--text-primary)}.quality-and-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.quality-pills{display:flex;flex-wrap:wrap;gap:10px}.quality-pill{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:999px;font-size:13px;font-weight:600}.score-badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;letter-spacing:.05em}.badge-pending{background:var(--bg-pill);color:var(--text-muted)}.badge-great,.badge-good{background:#10b98124;color:var(--accent-emerald)}.badge-average{background:#f59e0b24;color:var(--accent-amber)}.badge-poor,.badge-bad{background:#ef444424;color:var(--accent-rose)}.results-actions{display:flex;align-items:center;gap:10px}.btn-action{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:999px;color:var(--text-secondary);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-action:hover{border-color:var(--border-hover);color:var(--text-primary)}.btn-action svg{width:15px;height:15px}.history-section{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:12px;padding:14px 18px}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.history-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.history-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.history-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;font-size:12.5px}.history-item-speeds{font-family:JetBrains Mono,monospace;font-weight:700;color:var(--text-primary)}.history-item-meta{color:var(--text-muted);font-size:11.5px}.info-section{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:18px;margin-top:4px}.section-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.section-desc{font-size:13.5px;color:var(--text-secondary);line-height:1.55}.benchmark-table-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--border-color);background:var(--bg-card)}.benchmark-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}.benchmark-table th{background:var(--bg-pill);padding:10px 14px;font-weight:700;color:var(--text-primary);border-bottom:1px solid var(--border-color)}.benchmark-table td{padding:10px 14px;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.benchmark-table tr:last-child td{border-bottom:none}.faq-section{display:flex;flex-direction:column;gap:8px}.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;overflow:hidden}.faq-item summary{padding:13px 16px;font-size:14px;font-weight:600;color:var(--text-primary);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:18px;color:var(--accent-primary)}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 16px 14px;font-size:13.5px;line-height:1.6;color:var(--text-secondary)}.app-footer{padding:20px 24px;border-top:1px solid var(--border-color);font-size:12.5px;color:var(--text-muted)}.footer-inner{max-width:980px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.footer-links{display:flex;align-items:center;gap:8px}.footer-links a{color:var(--text-secondary);text-decoration:none}.footer-links a:hover{color:var(--accent-primary)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--text-primary);color:var(--bg-page);padding:10px 20px;border-radius:999px;font-size:13px;font-weight:600;box-shadow:0 8px 24px #0003;z-index:300}@media(max-width:768px){.fast-details-grid{grid-template-columns:1fr}.speed-hero-row{gap:12px}.action-circle-btn{width:44px;height:44px}.quality-and-actions{flex-direction:column;align-items:flex-start}}