@import url("fonts.css");

:root {
  --bg: #050718;
  --panel: rgba(12, 17, 48, .86);
  --panel-2: rgba(18, 25, 67, .75);
  --line: rgba(145, 160, 255, .18);
  --text: #f8f9ff;
  --muted: #9da6c8;
  --orange: #ff8a00;
  --yellow: #ffb000;
  --blue: #43a9ff;
  --green: #2ed78e;
  --purple: #a880ff;
  --danger: #ff667d;
  --shadow: 0 28px 80px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { min-height: 100%; background: var(--bg); color-scheme: dark; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 28%, rgba(49, 46, 205, .27), transparent 34rem),
    radial-gradient(circle at 8% 90%, rgba(0, 105, 185, .18), transparent 28rem),
    linear-gradient(145deg, #040612 0%, #090c29 48%, #070a20 100%);
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .16;
  background-image:
    linear-gradient(rgba(100, 122, 255, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 122, 255, .18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}
.ambient { position: fixed; width: 23rem; height: 23rem; border-radius: 50%; filter: blur(90px); opacity: .2; pointer-events: none; }
.ambient-one { top: 5rem; right: -9rem; background: #4939ff; }
.ambient-two { bottom: -10rem; left: -10rem; background: #ff8a00; opacity: .08; }

.topbar { width: min(1180px, calc(100% - 40px)); margin: 0 auto; min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { display: block; width: 250px; height: 82px; object-fit: contain; object-position: left center; }
.service-status { display: inline-flex; align-items: center; gap: 9px; color: #cdd3ea; font-size: .82rem; font-weight: 700; letter-spacing: .02em; }
.service-status span { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(46, 215, 142, .1), 0 0 16px rgba(46, 215, 142, .8); }

.app-shell { position: relative; z-index: 1; width: min(1120px, calc(100% - 40px)); margin: 28px auto 0; }
.intro { text-align: center; margin-bottom: 30px; }
.eyebrow { color: var(--yellow) !important; font-size: .74rem !important; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.intro h1 { margin-top: 8px; font-size: clamp(2.1rem, 5vw, 3.75rem); line-height: 1.05; letter-spacing: -.055em; }
.intro > p:last-child { margin-top: 12px; color: var(--muted); font-size: clamp(.94rem, 2vw, 1.05rem); }

.test-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg, rgba(17, 23, 62, .94), rgba(6, 9, 29, .93)); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.test-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: linear-gradient(90deg, transparent, var(--orange), #fff1a8, transparent); opacity: .8; }
.connection-strip { display: grid; grid-template-columns: 1fr auto 1.35fr; align-items: stretch; border-bottom: 1px solid var(--line); background: rgba(5, 8, 28, .5); }
.connection-item { min-width: 0; display: flex; align-items: center; gap: 14px; padding: 20px 26px; }
.connection-icon { flex: 0 0 auto; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: var(--yellow); background: rgba(255, 138, 0, .1); border: 1px solid rgba(255, 176, 0, .18); font-size: 1.35rem; }
.connection-item > div, .chosen { min-width: 0; }
.connection-item span:not(.connection-icon), .chosen > span { display: block; margin-bottom: 4px; color: var(--muted); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.connection-item strong, .chosen strong { display: block; overflow: hidden; color: #fff; font-size: .97rem; text-overflow: ellipsis; white-space: nowrap; }
.connection-divider { width: 1px; margin: 16px 0; background: var(--line); }
.server-selector { position: relative; width: 100%; }
.chevron, .sponsor, .servers { display: none; }
.server-selector.active { cursor: pointer; }
.server-selector.active .chevron { position: absolute; right: 0; top: 50%; display: block; width: 18px; transform: translateY(-50%); }
.server-selector.active .servers.active { position: absolute; z-index: 20; top: calc(100% + 18px); right: 0; display: block; min-width: 280px; padding: 8px; list-style: none; border: 1px solid var(--line); border-radius: 14px; background: #101538; box-shadow: var(--shadow); }
.servers a { display: block; padding: 12px; border-radius: 9px; color: #fff; text-decoration: none; }
.servers a:hover, .servers a:focus-visible { background: rgba(255,255,255,.08); }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 22px 22px 0; }
.metric-card { position: relative; min-width: 0; min-height: 96px; display: flex; align-items: center; gap: 14px; padding: 18px; border: 1px solid rgba(150, 164, 255, .13); border-radius: 18px; background: linear-gradient(145deg, rgba(25, 33, 84, .55), rgba(13, 18, 49, .72)); transition: border-color .25s, transform .25s, opacity .25s; }
.metric-card.hidden { display: flex; opacity: .62; }
.metric-card.enabled { border-color: rgba(255, 176, 0, .3); transform: translateY(-2px); }
.metric-icon { flex: 0 0 auto; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; font-size: 1.35rem; font-weight: 800; }
.ping-color { color: var(--yellow); background: rgba(255, 176, 0, .1); }
.jitter-color { color: var(--purple); background: rgba(168, 128, 255, .1); }
.download-color { color: var(--blue); background: rgba(67, 169, 255, .1); }
.upload-color { color: var(--green); background: rgba(46, 215, 142, .1); }
.metric-label, .metric-card h2 { display: block; margin-bottom: 5px; color: var(--muted); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.metric-card strong, .metric-card h1 { font-size: clamp(1.25rem, 2.4vw, 1.7rem); line-height: 1; letter-spacing: -.04em; }
.metric-card small { margin-left: 5px; color: var(--muted); font-size: .67rem; font-weight: 700; letter-spacing: 0; }
.metric-card .progress, .metric-card .speed { display: none; }

.dial-section { display: flex; flex-direction: column; align-items: center; padding: 28px 22px 34px; }
.speed-dial { --dial-progress: 0deg; position: relative; width: min(410px, 82vw); aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(from 225deg, var(--orange) 0deg, var(--yellow) var(--dial-progress), rgba(89, 103, 173, .18) var(--dial-progress), rgba(89, 103, 173, .18) 270deg, transparent 270deg); filter: drop-shadow(0 0 32px rgba(255, 138, 0, .12)); }
.speed-dial::before { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: radial-gradient(circle at 50% 42%, #131a4a, #080b25 66%, #050717 100%); box-shadow: inset 0 0 45px rgba(0,0,0,.5), 0 0 0 1px rgba(139,155,255,.13); }
.speed-dial::after { content: ""; position: absolute; inset: 28px; border: 1px dashed rgba(184, 195, 255, .12); border-radius: 50%; }
.dial-core { position: relative; z-index: 3; width: 70%; display: flex; flex-direction: column; align-items: center; text-align: center; }
.dial-caption { color: var(--muted); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
#dial-value { margin-top: 8px; font-size: clamp(4rem, 12vw, 6.6rem); line-height: .95; letter-spacing: -.08em; font-variant-numeric: tabular-nums; }
.dial-unit { margin: 6px 0 18px; color: var(--muted); font-weight: 700; }
#start-button { min-width: 142px; min-height: 48px; padding: 0 24px; border: 0; border-radius: 999px; color: #171007; background: linear-gradient(135deg, var(--yellow), var(--orange)); box-shadow: 0 12px 28px rgba(255, 138, 0, .25); font: inherit; font-size: .88rem; font-weight: 900; cursor: pointer; transition: transform .2s, box-shadow .2s, filter .2s; }
#start-button:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(255, 138, 0, .34); }
#start-button.active { color: #fff; background: linear-gradient(135deg, #ff667d, #d9305c); }
#start-button.disabled { cursor: wait; opacity: .55; }
.dial-scale { position: absolute; z-index: 2; inset: 0; color: #7680aa; font-size: .66rem; font-weight: 700; pointer-events: none; }
.dial-scale span { position: absolute; }
.dial-scale span:nth-child(1) { left: 11%; bottom: 25%; }
.dial-scale span:nth-child(2) { left: 7%; top: 47%; }
.dial-scale span:nth-child(3) { left: 20%; top: 17%; }
.dial-scale span:nth-child(4) { left: 48%; top: 7%; }
.dial-scale span:nth-child(5) { right: 17%; top: 18%; }
.dial-scale span:nth-child(6) { right: 8%; top: 48%; }
.dial-help { max-width: 520px; margin-top: 22px; color: #7f89ad; font-size: .78rem; text-align: center; line-height: 1.5; }

.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 18px 0 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--line); }
.trust-row > div { padding: 17px 20px; background: rgba(8, 12, 36, .9); }
.trust-row strong, .trust-row span { display: block; }
.trust-row strong { color: #e9ebf7; font-size: .82rem; }
.trust-row span { margin-top: 4px; color: var(--muted); font-size: .72rem; }

footer { position: relative; z-index: 1; width: min(1120px, calc(100% - 40px)); margin: 32px auto 0; padding: 22px 0 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #737c9d; font-size: .72rem; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: #aab2d0; text-decoration: none; }
footer a:hover { color: var(--yellow); }

.hidden:not(.metric-card) { display: none !important; }
dialog { width: min(520px, calc(100% - 32px)); margin: auto; padding: 30px; border: 1px solid var(--line); border-radius: 22px; color: var(--text); background: #0d1234; box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(2, 3, 12, .8); backdrop-filter: blur(8px); }
dialog h2 { margin-bottom: 16px; }
dialog p { color: var(--muted); line-height: 1.6; }
dialog button { margin-top: 18px; padding: 11px 18px; border: 0; border-radius: 10px; color: #140e05; background: var(--yellow); font-weight: 800; cursor: pointer; }
dialog .close-dialog { position: absolute; top: 8px; right: 14px; margin: 0; padding: 6px 10px; color: #fff; background: transparent; font-size: 1.5rem; }
#results { max-width: 100%; }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }

@media (max-width: 820px) {
  .topbar { min-height: 80px; }
  .brand img { width: 194px; height: 66px; }
  .service-status { font-size: .7rem; }
  .app-shell { margin-top: 14px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .trust-row { grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .topbar, .app-shell, footer { width: min(100% - 24px, 1120px); }
  .topbar { min-height: 70px; }
  .brand img { width: 165px; height: 58px; }
  .service-status { font-size: 0; }
  .service-status span { width: 10px; height: 10px; }
  .intro { margin: 12px 8px 22px; }
  .intro h1 { font-size: 2.2rem; }
  .intro > p:last-child { font-size: .88rem; line-height: 1.5; }
  .test-card { border-radius: 22px; }
  .connection-strip { grid-template-columns: 1fr; }
  .connection-divider { width: auto; height: 1px; margin: 0 18px; }
  .connection-item { padding: 16px 18px; }
  .connection-item strong, .chosen strong { font-size: .88rem; }
  .metrics { gap: 9px; padding: 14px 14px 0; }
  .metric-card { min-height: 86px; gap: 10px; padding: 13px 11px; border-radius: 15px; }
  .metric-icon { width: 32px; height: 32px; font-size: 1.05rem; }
  .metric-card strong, .metric-card h1 { font-size: 1.25rem; }
  .metric-card small { display: block; margin: 5px 0 0; }
  .dial-section { padding: 24px 12px 28px; }
  .speed-dial { width: min(330px, 86vw); }
  #dial-value { font-size: 4.35rem; }
  #start-button { min-width: 132px; min-height: 46px; }
  .trust-row { margin-top: 12px; }
}

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