:root {
  color-scheme: dark;
  --bg: #07101f;
  --panel: rgba(13, 28, 49, .78);
  --panel-solid: #0d1c31;
  --panel-light: #112640;
  --border: rgba(153, 190, 221, .14);
  --border-strong: rgba(105, 224, 196, .3);
  --text: #eef6ff;
  --muted: #8da2bb;
  --muted-2: #647a93;
  --accent: #50e1c0;
  --accent-2: #568bff;
  --danger: #ff7185;
  --warning: #ffbf69;
  --shadow: 0 24px 80px rgba(0, 0, 0, .35);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); overflow-x: hidden; }
button, input, select { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }
.ambient { position: fixed; border-radius: 999px; filter: blur(90px); pointer-events: none; opacity: .17; z-index: -1; }
.ambient-one { width: 460px; height: 460px; background: #1e8de8; top: -180px; right: 8%; }
.ambient-two { width: 380px; height: 380px; background: #23d0a4; bottom: -150px; left: 18%; opacity: .1; }

.app-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; padding: 28px 18px 20px; border-right: 1px solid var(--border); background: rgba(6, 15, 29, .88); backdrop-filter: blur(28px); display: flex; flex-direction: column; z-index: 10; }
.brand { display: flex; align-items: center; gap: 12px; padding: 0 9px 28px; }
.brand img { filter: drop-shadow(0 8px 18px rgba(50, 194, 182, .15)); }
.brand div { display: grid; gap: 2px; }
.brand strong { font-size: 19px; letter-spacing: -.02em; }
.brand span { color: var(--muted); font-size: 11px; }
.brand.compact { padding: 0; }
.brand.compact strong { font-size: 16px; }
.nav { display: grid; gap: 5px; }
.nav-item { width: 100%; min-height: 43px; display: flex; align-items: center; gap: 12px; padding: 0 13px; border: 1px solid transparent; border-radius: 12px; color: var(--muted); background: transparent; text-align: left; cursor: pointer; transition: .18s ease; }
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.035); }
.nav-item.active { color: #eafffb; border-color: rgba(83, 225, 195, .16); background: linear-gradient(90deg, rgba(62, 210, 181, .15), rgba(57, 113, 193, .05)); box-shadow: inset 3px 0 var(--accent); }
.nav-icon { width: 20px; text-align: center; font-size: 18px; color: currentColor; }
.sidebar-bottom { display: grid; gap: 5px; margin-top: auto; padding-top: 20px; border-top: 1px solid var(--border); }
.privacy-chip { margin: 17px 8px 0; padding: 10px 12px; border: 1px solid rgba(77,225,192,.13); border-radius: 11px; background: rgba(62, 195, 169, .06); color: #82c7b8; font-size: 11px; display: flex; align-items: center; gap: 8px; }
.privacy-chip span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

.main { grid-column: 2; width: 100%; max-width: 1500px; padding: 0 52px 70px; }
.topbar { height: 116px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); margin-bottom: 35px; }
.topbar h1 { margin: 3px 0 0; font-size: 28px; letter-spacing: -.035em; }
.eyebrow { margin: 0; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.top-status { min-width: 176px; display: flex; justify-content: center; align-items: center; gap: 9px; padding: 10px 15px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.02); font-size: 12px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warning); box-shadow: 0 0 11px var(--warning); }
.status-dot.online { background: var(--accent); box-shadow: 0 0 11px var(--accent); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 11px var(--danger); }
.menu-button { display: none; background: none; border: 0; font-size: 22px; }

.view { display: none; animation: rise .25s ease; }
.view.active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.hero-card { min-height: 218px; padding: 39px 45px; display: flex; align-items: center; justify-content: space-between; overflow: hidden; position: relative; border: 1px solid var(--border-strong); border-radius: 28px; background: radial-gradient(circle at 85% 50%, rgba(61,179,194,.16), transparent 28%), linear-gradient(135deg, rgba(15,39,62,.96), rgba(10,24,42,.83)); box-shadow: var(--shadow); }
.hero-card::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px); background-size: 30px 30px; mask-image: linear-gradient(90deg, transparent, black); }
.hero-card > div:first-child { position: relative; z-index: 1; }
.hero-card h2 { margin: 11px 0 10px; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.055em; max-width: 660px; }
.hero-card p:last-child { color: var(--muted); margin: 0; }
.signal-orbit { width: 142px; height: 142px; position: relative; margin-right: 42px; flex: none; }
.signal-orbit i { position: absolute; inset: 0; border: 1px solid rgba(80,225,192,.2); border-radius: 50%; animation: pulse 2.8s infinite ease-out; }
.signal-orbit i:nth-child(2) { inset: 20px; animation-delay: .3s; }
.signal-orbit i:nth-child(3) { inset: 40px; animation-delay: .6s; }
.signal-orbit b { position: absolute; inset: 60px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 25px var(--accent); }
@keyframes pulse { 50% { border-color: rgba(80,225,192,.65); box-shadow: 0 0 25px rgba(80,225,192,.08); } }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin: 43px 0 17px; }
.section-heading h2 { margin: 5px 0 0; font-size: 21px; letter-spacing: -.025em; }
.section-heading p:not(.eyebrow) { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.local-badge { padding: 7px 11px; border-radius: 999px; background: rgba(80,225,192,.08); color: #8ed2c3; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 13px; }
.metric-card { min-height: 126px; padding: 21px; border: 1px solid var(--border); border-radius: 17px; background: var(--panel); box-shadow: 0 10px 30px rgba(0,0,0,.1); }
.metric-card .metric-head { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.metric-card .metric-head span:last-child { color: var(--accent); font-size: 16px; }
.metric-card strong { display: block; margin-top: 18px; font-size: 17px; letter-spacing: -.025em; word-break: break-word; }
.metric-card small { display: block; color: var(--muted-2); margin-top: 5px; font-size: 11px; }
.metric-action { margin-top: 11px; padding: 0; border: 0; color: var(--accent); background: none; font-size: 10px; font-weight: 750; cursor: pointer; }
.metric-action:hover { text-decoration: underline; }
.skeleton-card { background: linear-gradient(100deg, var(--panel) 20%, rgba(255,255,255,.05) 40%, var(--panel) 60%); background-size: 300% 100%; animation: shimmer 1.6s infinite; }
@keyframes shimmer { to { background-position: -150% 0; } }

.tool-intro { display: flex; gap: 21px; align-items: center; margin: 6px 0 31px; }
.tool-glyph { width: 67px; height: 67px; display: grid; place-items: center; flex: none; border: 1px solid var(--border-strong); border-radius: 18px; background: linear-gradient(145deg, rgba(74,221,191,.13), rgba(78,126,220,.08)); color: var(--accent); font-size: 30px; }
.tool-intro h2, .connection-hero h2 { margin: 6px 0 7px; font-size: 28px; letter-spacing: -.04em; }
.tool-intro p:last-child, .connection-hero p { color: var(--muted); margin: 0; line-height: 1.55; }
.tool-form { display: flex; align-items: end; gap: 12px; padding: 20px; border: 1px solid var(--border); border-radius: 19px; background: var(--panel); }
.field { display: grid; gap: 8px; }
.field.grow { flex: 1; }
.field.compact { width: 130px; }
.field > span { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .045em; }
input, select { height: 48px; min-width: 0; padding: 0 14px; border: 1px solid rgba(145,179,209,.18); outline: none; border-radius: 11px; color: var(--text); background: rgba(4,13,25,.7); transition: .18s; }
input:focus, select:focus { border-color: rgba(80,225,192,.6); box-shadow: 0 0 0 3px rgba(80,225,192,.09); }
.button { min-height: 44px; padding: 0 17px; border: 1px solid transparent; border-radius: 11px; cursor: pointer; font-weight: 750; font-size: 12px; transition: .18s ease; display: inline-flex; align-items: center; justify-content: center; gap: 15px; }
.button:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.08); }
.button:disabled { cursor: not-allowed; opacity: .38; }
.button.primary { min-height: 48px; background: linear-gradient(135deg, #45d7b5, #399dc8); color: #061421; box-shadow: 0 10px 24px rgba(58,190,176,.16); }
.button.ghost { border-color: var(--border); color: var(--muted); background: rgba(255,255,255,.025); }
.button.danger { border-color: rgba(255,113,133,.24); color: #ff9aa8; background: rgba(255,113,133,.08); }
.button.danger-outline { border-color: rgba(255,113,133,.36); color: #ff9aa8; background: transparent; }
.form-note { margin: 11px 5px 0; color: var(--muted-2); font-size: 11px; }
.result-zone { margin-top: 20px; min-height: 328px; padding: 23px; border: 1px solid var(--border); border-radius: 21px; background: rgba(8,20,36,.63); }
.result-zone.empty { display: grid; place-items: center; }
.empty-state { color: var(--muted-2); text-align: center; }
.empty-state > span { font-size: 42px; color: rgba(80,225,192,.35); }
.empty-state h3 { color: var(--muted); margin: 13px 0 6px; font-size: 15px; }
.empty-state p { margin: 0; font-size: 12px; }
.loading-state { min-height: 280px; display: grid; place-items: center; color: var(--muted); text-align: center; }
.spinner { width: 42px; height: 42px; margin: 0 auto 14px; border: 3px solid rgba(255,255,255,.08); border-top-color: var(--accent); border-radius: 50%; animation: spin .85s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-header { display: flex; align-items: start; justify-content: space-between; gap: 15px; margin-bottom: 22px; }
.result-header h3 { margin: 5px 0 4px; font-size: 20px; }
.result-header p { margin: 0; color: var(--muted); font-size: 12px; }
.result-actions { display: flex; gap: 8px; }
.result-actions .button { min-height: 36px; padding: 0 12px; }
.result-metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.result-metric { padding: 16px; background: rgba(255,255,255,.025); border: 1px solid var(--border); border-radius: 13px; }
.result-metric span { display: block; color: var(--muted-2); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.result-metric strong { display: block; margin-top: 8px; font-size: 18px; }
.raw-details { margin-top: 14px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.raw-details summary { padding: 13px 15px; color: var(--muted); font-size: 11px; cursor: pointer; }
.raw-details pre { margin: 0; padding: 16px; max-height: 240px; overflow: auto; color: #a9bad0; background: rgba(0,0,0,.18); font: 11px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; }
.error-panel { min-height: 270px; display: grid; place-items: center; text-align: center; }
.error-panel span { width: 45px; height: 45px; display: grid; place-items: center; margin: auto; border-radius: 50%; color: var(--danger); background: rgba(255,113,133,.1); font-size: 24px; }
.error-panel h3 { margin: 14px 0 7px; }
.error-panel p { max-width: 560px; margin: 0; color: var(--muted); line-height: 1.55; font-size: 12px; }
.records-table { width: 100%; border-collapse: collapse; }
.records-table th { padding: 10px 13px; color: var(--muted-2); font-size: 10px; text-align: left; text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--border); }
.records-table td { padding: 14px 13px; border-bottom: 1px solid var(--border); color: #cbd7e5; font-size: 12px; }
.records-table tr:last-child td { border: 0; }

.connection-hero { min-height: 240px; padding: 38px; border: 1px solid var(--border-strong); border-radius: 24px; background: linear-gradient(135deg, rgba(17,41,65,.95), rgba(9,23,40,.82)); display: flex; align-items: center; justify-content: space-between; }
.connection-hero > div:first-child { max-width: 650px; }
.connection-hero .button { margin-top: 24px; }
.test-path { display: flex; align-items: center; margin: 0 25px; }
.test-path b { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid rgba(80,225,192,.35); border-radius: 50%; color: var(--accent); font-size: 11px; background: rgba(80,225,192,.06); }
.test-path i { width: 24px; height: 1px; background: rgba(80,225,192,.2); }
.stage-list { display: grid; gap: 10px; }
.stage { display: grid; grid-template-columns: 34px 140px 1fr; align-items: center; gap: 12px; padding: 15px; border: 1px solid var(--border); border-radius: 13px; }
.stage-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; font-size: 13px; background: rgba(80,225,192,.1); color: var(--accent); }
.stage.failed .stage-icon { background: rgba(255,113,133,.1); color: var(--danger); }
.stage.warning .stage-icon { background: rgba(255,191,105,.1); color: var(--warning); }
.stage p { margin: 0; color: var(--muted); font-size: 12px; }
.diagnosis { padding: 15px 18px; margin-bottom: 17px; border-left: 3px solid var(--accent); border-radius: 5px 12px 12px 5px; background: rgba(80,225,192,.07); color: #cfe8e3; font-size: 13px; }

.speed-hero { min-height: 285px; padding: 38px 48px; display: flex; align-items: center; justify-content: space-between; gap: 40px; overflow: hidden; position: relative; border: 1px solid var(--border-strong); border-radius: 24px; background: radial-gradient(circle at 80% 45%, rgba(76,207,190,.14), transparent 28%), linear-gradient(135deg, rgba(17,41,65,.96), rgba(9,23,40,.84)); }
.speed-hero::after { content: ''; position: absolute; width: 320px; height: 320px; right: -100px; top: -170px; border: 1px solid rgba(80,225,192,.12); border-radius: 50%; box-shadow: 0 0 0 45px rgba(80,225,192,.025), 0 0 0 90px rgba(80,225,192,.018); }
.speed-copy { max-width: 700px; position: relative; z-index: 1; }
.speed-copy h2 { margin: 7px 0 8px; font-size: 30px; letter-spacing: -.045em; }
.speed-copy > p:not(.eyebrow) { max-width: 620px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.speed-copy .button { margin-top: 23px; }
.speed-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.speed-facts span { padding: 7px 10px; border: 1px solid var(--border); border-radius: 999px; color: #8fa9be; background: rgba(255,255,255,.02); font-size: 10px; }
.speed-dial { width: 172px; height: 106px; position: relative; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; flex: none; z-index: 1; }
.speed-arc { position: absolute; width: 172px; height: 172px; top: 0; border: 12px solid rgba(80,225,192,.09); border-bottom-color: transparent; border-left-color: rgba(77,145,211,.13); border-radius: 50%; transform: rotate(-45deg); }
.speed-needle { position: absolute; left: 84px; bottom: 22px; width: 70px; height: 2px; transform-origin: left center; transform: rotate(-33deg); border-radius: 3px; background: linear-gradient(90deg, var(--accent), transparent); }
.speed-needle::before { content: ''; position: absolute; width: 12px; height: 12px; left: -6px; top: -5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px var(--accent); }
.speed-dial strong { position: relative; font-size: 18px; }
.speed-dial small { position: relative; margin-top: 3px; color: var(--muted); font-size: 10px; }
.speed-progress { min-height: 280px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.speed-progress-ring { --progress: 0deg; width: 108px; height: 108px; display: grid; place-items: center; position: relative; border-radius: 50%; background: conic-gradient(var(--accent) var(--progress), rgba(255,255,255,.055) 0); }
.speed-progress-ring::before { content: ''; position: absolute; inset: 8px; border-radius: 50%; background: #0a1728; }
.speed-progress-ring strong { position: relative; font-size: 20px; }
.speed-progress h3 { margin: 18px 0 5px; }
.speed-progress p { margin: 0; color: var(--muted); font-size: 11px; }
.progress-track { width: min(430px,80%); height: 5px; margin-top: 20px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.06); }
.progress-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .25s ease; }
.speed-results { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.speed-result-card { padding: 25px; position: relative; overflow: hidden; border: 1px solid var(--border); border-radius: 17px; background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,.012)); }
.speed-result-card::after { content: ''; position: absolute; width: 120px; height: 120px; right: -35px; top: -45px; border-radius: 50%; background: rgba(80,225,192,.045); }
.speed-result-card.upload::after { background: rgba(86,139,255,.06); }
.speed-result-card > span { display: block; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.speed-result-card.upload > span { color: #7fa4ff; }
.speed-result-card strong { display: inline-block; margin-top: 8px; font-size: 42px; letter-spacing: -.055em; }
.speed-result-card b { margin-left: 7px; color: var(--muted); font-size: 12px; }
.speed-result-card small { display: block; margin-top: 5px; color: var(--muted-2); font-size: 10px; }
.speed-secondary { margin-top: 12px; }

.history-heading { align-items: center; margin-top: 0; }
.notice-card { display: flex; align-items: center; gap: 13px; padding: 16px 18px; border: 1px solid rgba(80,225,192,.15); border-radius: 14px; background: rgba(80,225,192,.05); }
.notice-card strong { font-size: 12px; }
.notice-card p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.history-list { display: grid; gap: 10px; margin-top: 20px; }
.history-entry { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 16px 18px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel); }
.history-entry strong { display: block; font-size: 13px; }
.history-entry small { display: block; margin-top: 4px; color: var(--muted); }
.history-empty { padding: 70px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 17px; }

.settings-layout { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; }
.settings-card { padding: 24px; border: 1px solid var(--border); border-radius: 19px; background: var(--panel); }
.settings-card-title { display: flex; gap: 14px; padding-bottom: 20px; }
.settings-card-title > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: rgba(80,225,192,.08); color: var(--accent); }
.settings-card h2 { margin: 0; font-size: 16px; }
.settings-card p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.settings-card .field { margin-top: 18px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 16px 0; border-top: 1px solid var(--border); cursor: pointer; }
.toggle-row strong { display: block; font-size: 12px; }
.toggle-row small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
.toggle-row input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-row i { width: 43px; height: 24px; position: relative; flex: none; border-radius: 999px; background: #26374b; transition: .2s; }
.toggle-row i::after { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #90a1b4; transition: .2s; }
.toggle-row input:checked + i { background: rgba(80,225,192,.45); }
.toggle-row input:checked + i::after { transform: translateX(19px); background: var(--accent); }
.privacy-lines { display: grid; gap: 12px; border-top: 1px solid var(--border); padding-top: 17px; color: #9bcabd; font-size: 11px; }

.about-hero { padding: 33px; display: flex; align-items: center; gap: 25px; border: 1px solid var(--border-strong); border-radius: 22px; background: linear-gradient(135deg, rgba(16,38,62,.96), rgba(9,22,38,.82)); }
.about-hero img { width: 82px; height: 82px; }
.about-hero h2 { margin: 7px 0 5px; font-size: 32px; }
.about-hero p:not(.eyebrow) { color: var(--muted); margin: 0 0 13px; }
.about-hero strong { font-size: 11px; color: #b5c5d6; }
.legal-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 13px; margin-top: 20px; }
.legal-card { min-height: 90px; padding: 18px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 13px; border: 1px solid var(--border); border-radius: 16px; background: var(--panel); color: inherit; text-align: left; cursor: pointer; }
.legal-card { text-decoration: none; }
.legal-card:hover:not(.muted) { border-color: rgba(80,225,192,.35); }
.legal-card > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; background: rgba(255,255,255,.035); }
.legal-card strong, .legal-card small { display: block; }
.legal-card strong { font-size: 12px; }
.legal-card small { margin-top: 5px; color: var(--muted); font-size: 10px; }
.legal-card b { color: var(--accent); }
.legal-card.muted { cursor: default; opacity: .72; }

.modal-layer { position: fixed; inset: 0; z-index: 100; padding: 24px; display: grid; place-items: center; background: rgba(3,9,17,.83); backdrop-filter: blur(18px); }
.eula-layer { background: radial-gradient(circle at 50% 0, rgba(43,114,140,.16), transparent 37%), rgba(3,9,17,.94); }
.eula-window { width: min(900px, 96vw); height: min(820px, calc(100vh - 40px)); display: grid; grid-template-rows: auto 1fr auto; border: 1px solid rgba(122,165,193,.22); border-radius: 23px; overflow: hidden; background: #0a1728; box-shadow: 0 30px 100px rgba(0,0,0,.55); }
.eula-header, .eula-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 17px 25px; border-bottom: 1px solid var(--border); background: rgba(6,16,29,.86); }
.eula-footer { border: 0; border-top: 1px solid var(--border); }
.eula-footer > span, .step-label { color: var(--muted-2); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.eula-body { min-height: 0; display: grid; grid-template-rows: auto minmax(160px,1fr) auto; padding: 28px 33px 22px; }
.eula-title-block h1 { margin: 7px 0; font-size: 30px; letter-spacing: -.04em; }
.eula-title-block > p:last-child { color: var(--muted); font-size: 12px; }
.legal-scroll { overflow-y: auto; margin-top: 16px; padding: 23px 26px; border: 1px solid var(--border); border-radius: 14px; background: rgba(3,12,23,.5); scrollbar-color: #2b5262 transparent; }
.legal-scroll .copyright { margin: 0 0 21px; color: #c4d1e0; font-size: 12px; }
.legal-section { margin-bottom: 23px; }
.legal-section:last-child { margin-bottom: 0; }
.legal-section h3 { margin: 0 0 9px; color: #dbe9f7; font-size: 13px; }
.legal-section p { margin: 0 0 9px; color: #8fa4ba; font: 11px/1.75 ui-sans-serif, system-ui, sans-serif; }
.agreement-check { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding: 15px 17px; border: 1px solid var(--border); border-radius: 12px; color: #bac9d8; font-size: 12px; cursor: pointer; background: rgba(255,255,255,.02); }
.agreement-check input { position: absolute; opacity: 0; }
.checkmark { width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid #3c5268; border-radius: 6px; color: transparent; background: #071423; }
.agreement-check input:checked + .checkmark { color: #061421; border-color: var(--accent); background: var(--accent); }
.confirm-window { width: min(560px, 94vw); padding: 48px; border: 1px solid rgba(122,165,193,.22); border-radius: 23px; text-align: center; background: #0a1728; box-shadow: var(--shadow); }
.confirm-icon { width: 64px; height: 64px; margin: 0 auto 26px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(80,225,192,.32); color: var(--accent); background: rgba(80,225,192,.08); font-size: 26px; }
.confirm-icon.declined { border-color: rgba(255,113,133,.3); color: var(--danger); background: rgba(255,113,133,.08); }
.confirm-window h1 { margin: 8px auto 12px; max-width: 430px; font-size: 28px; line-height: 1.2; letter-spacing: -.04em; }
.confirm-window > p:not(.eyebrow) { color: var(--muted); font-size: 12px; line-height: 1.65; }
.confirm-actions { margin-top: 29px; display: flex; justify-content: center; gap: 9px; }
.legal-modal-window { width: min(760px,94vw); height: min(720px,90vh); padding: 26px; display: grid; grid-template-rows: auto minmax(0,1fr); border: 1px solid var(--border); border-radius: 22px; background: #0a1728; box-shadow: var(--shadow); }
.legal-modal-window header { display: flex; align-items: center; justify-content: space-between; }
.legal-modal-window h2 { margin: 5px 0 0; }
.legal-modal-window .legal-scroll { min-height: 0; }
.icon-button { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 9px; background: rgba(255,255,255,.03); color: var(--muted); font-size: 22px; cursor: pointer; }
.offline-window { width: min(440px,92vw); padding: 38px; border: 1px solid var(--border); border-radius: 21px; background: #0a1728; text-align: center; box-shadow: var(--shadow); }
.offline-icon { width: 57px; height: 57px; display: grid; place-items: center; margin: auto; border-radius: 50%; background: rgba(255,113,133,.1); color: var(--danger); font-size: 27px; }
.offline-icon.warning { color: var(--warning); background: rgba(255,191,105,.1); }
.offline-window h2 { margin: 17px 0 8px; }
.offline-window p { margin: 0 0 22px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.offline-window .confirm-actions { margin-top: 20px; }
.toast-stack { position: fixed; z-index: 200; right: 22px; bottom: 22px; display: grid; gap: 9px; }
.toast { padding: 13px 17px; border: 1px solid var(--border-strong); border-radius: 11px; background: #10233a; box-shadow: var(--shadow); color: #d6e5f3; font-size: 12px; animation: toast-in .25s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 1120px) {
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .main { padding-inline: 32px; }
  .signal-orbit { margin-right: 5px; }
}
@media (max-width: 820px) {
  .app-shell { display: block; }
  .sidebar { transform: translateX(-105%); transition: .25s; box-shadow: 20px 0 60px rgba(0,0,0,.4); }
  .sidebar.open { transform: translateX(0); }
  .main { padding: 0 20px 60px; }
  .topbar { height: 92px; }
  .menu-button { display: block; }
  .topbar > div:nth-child(2) { flex: 1; margin-left: 12px; }
  .top-status { min-width: auto; }
  .top-status span:last-child { display: none; }
  .hero-card { padding: 30px; }
  .signal-orbit { display: none; }
  .tool-form { align-items: stretch; flex-direction: column; }
  .field.compact { width: auto; }
  .settings-layout, .legal-grid { grid-template-columns: 1fr; }
  .test-path { display: none; }
  .speed-hero { padding: 30px; }
  .speed-dial { display: none; }
  .result-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 540px) {
  .metric-grid { grid-template-columns: 1fr; }
  .hero-card h2 { font-size: 29px; }
  .connection-hero { padding: 27px; }
  .speed-hero { padding: 27px; }
  .speed-results { grid-template-columns: 1fr; }
  .tool-intro { align-items: flex-start; }
  .tool-glyph { width: 50px; height: 50px; font-size: 23px; }
  .tool-intro h2 { font-size: 22px; }
  .result-header { flex-direction: column; }
  .stage { grid-template-columns: 34px 1fr; }
  .stage p { grid-column: 2; }
  .eula-layer { padding: 0; }
  .eula-window { width: 100%; height: 100vh; border-radius: 0; }
  .eula-header, .eula-footer { padding: 14px 17px; }
  .eula-footer > span { display: none; }
  .eula-footer { justify-content: flex-end; }
  .eula-body { padding: 20px 17px 16px; }
  .eula-title-block h1 { font-size: 25px; }
  .legal-scroll { padding: 18px; }
  .confirm-window { padding: 35px 23px; }
  .confirm-actions { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}