/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0c1d;
  --bg-2: #0f1230;
  --panel: rgba(255, 255, 255, 0.03);
  --panel-strong: rgba(255, 255, 255, 0.05);
  --fg: #f1f3ff;
  --fg-dim: #aab1d6;
  --fg-muted: #6c7099;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);

  /* Palette Ookla / Cloudflare Speed */
  --download-a: #a855f7;   /* viola */
  --download-b: #ec4899;   /* magenta */
  --upload-a: #22d3ee;     /* ciano */
  --upload-b: #10b981;     /* verde */
  --ping-a: #fb923c;       /* arancio */
  --ping-b: #f59e0b;
  --good: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01", "ss03";
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(ellipse 70% 50% at 90% 5%, rgba(236, 72, 153, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgba(34, 211, 238, 0.08), transparent 60%),
    var(--bg);
  color: var(--fg);
  min-height: 100dvh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* ===== Topbar ===== */
.topbar {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 22px 32px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 17px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--download-a), var(--download-b));
  color: white;
  box-shadow: 0 8px 24px rgba(168, 85, 247, 0.35);
}

.brand-text {
  background: linear-gradient(120deg, #ffffff, #d5dcff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.meta-pill {
  color: var(--fg-dim);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.meta-pill strong {
  color: var(--fg);
  font-weight: 600;
}

/* ===== Dashboard layout ===== */
.dashboard {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== Metric tiles row ===== */
.metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  position: relative;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.metric::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--accent, transparent), transparent 60%);
  opacity: 0.07;
  pointer-events: none;
}

.metric-download { --accent: var(--download-a); }
.metric-upload   { --accent: var(--upload-a); }
.metric-latency  { --accent: var(--ping-a); }
.metric-jitter   { --accent: #818cf8; }
.metric-loss     { --accent: var(--bad); }

.metric.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 14px 40px rgba(168, 85, 247, 0.15);
  transform: translateY(-1px);
}

.metric-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 700;
  margin-bottom: 8px;
}

.metric-spark {
  display: inline-block;
  min-width: 60px;
  height: 14px;
  font-size: 10px;
}

.metric-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}

.metric-value small {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
}

.metric-sub {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}

.metric-sub.split {
  justify-content: space-between;
}

.metric-sub strong {
  color: var(--fg);
  font-weight: 600;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot-down { background: linear-gradient(135deg, var(--download-a), var(--download-b)); }
.dot-up   { background: linear-gradient(135deg, var(--upload-a), var(--upload-b)); }
.dot-ping { background: linear-gradient(135deg, var(--ping-a), var(--ping-b)); }

/* ===== Hero row (gauge + side info) ===== */
.hero-row {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 1fr);
  gap: 24px;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
  align-items: center;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.hero-headline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--fg-dim);
  transition: color 0.4s var(--ease);
}

.hero-phase small {
  font-size: 10px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
  margin-left: 2px;
}

.hero-row[data-phase="ping"] .hero-headline,
.hero-side[data-phase="ping"] .hero-headline { color: var(--ping-a); }

.hero-side[data-phase="download"] .hero-headline { color: var(--download-b); }
.hero-side[data-phase="upload"] .hero-headline { color: var(--upload-b); }

.hero-value {
  font-size: clamp(56px, 9vw, 110px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #ffffff 0%, #d8dcff 60%, #c4adff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px rgba(168, 85, 247, 0.18);
}

.phase-strip {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 4px 0;
}

.phase-item {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  font-variant-numeric: tabular-nums;
  transition: opacity 0.3s var(--ease);
  opacity: 0.45;
}

.phase-item[data-active="true"] {
  opacity: 1;
}

.phase-name {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.phase-name small {
  font-size: 9px;
  margin-left: 2px;
  opacity: 0.7;
}

.phase-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.phase-item[data-phase="ping"][data-active="true"] .phase-val { color: var(--ping-a); }
.phase-item[data-phase="download"][data-active="true"] .phase-val { color: var(--download-b); }
.phase-item[data-phase="upload"][data-active="true"] .phase-val { color: var(--upload-b); }

/* ===== Progress bar ===== */
.progress {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--download-a), var(--download-b));
  border-radius: 999px;
  transition: width 0.3s var(--ease), background 0.4s var(--ease);
}

.progress-bar[data-phase="ping"] {
  background: linear-gradient(90deg, var(--ping-a), var(--ping-b));
}
.progress-bar[data-phase="upload"] {
  background: linear-gradient(90deg, var(--upload-a), var(--upload-b));
}

/* ===== Speedometer ===== */
.dial {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  justify-self: end;
}

.gauge {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.gauge-track {
  stroke: rgba(255, 255, 255, 0.045);
  stroke-width: 14;
}

#gauge-arc {
  stroke-width: 14;
  transition: stroke 0.45s var(--ease);
}

#needle {
  transition: transform 0.12s linear;
  filter: drop-shadow(0 3px 14px rgba(168, 85, 247, 0.5));
}

.ticks line {
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1;
}

.ticks line.major {
  stroke: rgba(255, 255, 255, 0.34);
  stroke-width: 1.4;
}

.ticks text {
  fill: #8a93b6;
  font-size: 10px;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.dial-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.go-btn {
  position: relative;
  pointer-events: auto;
  width: 24%;
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s var(--ease);
}

.go-btn::before {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--download-a), var(--download-b) 65%, #c026d3);
  box-shadow:
    0 18px 50px rgba(168, 85, 247, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    inset 0 -8px 24px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.go-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(168, 85, 247, 0.4);
  box-shadow: 0 0 0 6px rgba(168, 85, 247, 0.07);
  transition: all 0.3s var(--ease);
}

.go-text {
  position: relative;
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.go-btn:hover:not(:disabled) {
  transform: scale(1.04);
}

.go-btn:hover:not(:disabled)::before {
  box-shadow:
    0 22px 60px rgba(236, 72, 153, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -8px 24px rgba(0, 0, 0, 0.3);
}

.go-btn:active:not(:disabled) { transform: scale(0.98); }
.go-btn:disabled { cursor: not-allowed; opacity: 0.55; }

.readout {
  display: none;
  text-align: center;
  pointer-events: none;
  padding-top: 36%;
}

.readout-value {
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: #cbd5ff;
}

.readout-unit {
  margin-top: 4px;
  color: var(--fg-muted);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dial.running .go-btn { display: none; }
.dial.running .readout { display: block; }

/* ===== Panels ===== */
.panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 14px;
}

.panel {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-head h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.panel-tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.panel-body {
  padding: 14px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

/* server panel */
.kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.kv .k {
  color: var(--fg-muted);
  font-weight: 500;
}

.kv .v {
  color: var(--fg);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}

/* latency panel */
.lat-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  align-items: center;
}

.lat-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-dim);
}

.lat-val {
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.lat-val strong {
  color: var(--fg);
  font-size: 14px;
  font-weight: 700;
  margin-right: 2px;
}

.lat-bar {
  margin-top: 6px;
}

.lat-bar-track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg,
    rgba(34, 197, 94, 0.18) 0%,
    rgba(34, 197, 94, 0.18) 25%,
    rgba(245, 158, 11, 0.18) 50%,
    rgba(239, 68, 68, 0.18) 75%,
    rgba(239, 68, 68, 0.22) 100%);
  margin-bottom: 4px;
}

.lat-marker {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  left: 0%;
  border: 2px solid var(--bg);
  transition: left 0.5s var(--ease), opacity 0.3s var(--ease);
  opacity: 0;
}

.lat-marker[data-kind="unloaded"] { background: linear-gradient(135deg, var(--ping-a), var(--ping-b)); }
.lat-marker[data-kind="down"] { background: linear-gradient(135deg, var(--download-a), var(--download-b)); }
.lat-marker[data-kind="up"] { background: linear-gradient(135deg, var(--upload-a), var(--upload-b)); }

.lat-marker.visible { opacity: 1; }

.lat-bar-axis {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

/* throughput panel */
.throughput-body {
  gap: 14px;
}

.chart-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
}

.chart-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-dim);
  font-weight: 600;
}

.chart-peak {
  color: var(--fg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.chart-peak small {
  color: var(--fg-muted);
  font-weight: 500;
  font-size: 10px;
  margin-left: 2px;
}

.chart {
  width: 100%;
  height: 80px;
  display: block;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.chart .axis {
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 1;
}

.chart .area-down {
  fill: url(#fill-down);
}
.chart .area-up {
  fill: url(#fill-up);
}
.chart .line-down {
  stroke: var(--download-b);
  stroke-width: 1.6;
  fill: none;
}
.chart .line-up {
  stroke: var(--upload-b);
  stroke-width: 1.6;
  fill: none;
}

/* quality panel */
.quality-score {
  display: flex;
  align-items: center;
  gap: 14px;
}

.quality-num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--download-a), var(--download-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  min-width: 60px;
}

.quality-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.quality-desc {
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 4px;
}

.quality-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.qb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
}

.qb-label {
  width: 80px;
  color: var(--fg-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 10px;
}

.qb-track {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.qb-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--download-a), var(--download-b));
  transition: width 0.6s var(--ease), background 0.4s var(--ease);
}

#quality-tag.good { color: var(--good); border-color: rgba(34, 197, 94, 0.3); }
#quality-tag.warn { color: var(--warn); border-color: rgba(245, 158, 11, 0.3); }
#quality-tag.bad  { color: var(--bad);  border-color: rgba(239, 68, 68, 0.3); }

/* ===== Footer ===== */
.footer {
  padding: 22px;
  text-align: center;
  font-size: 11.5px;
  color: var(--fg-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-row {
    grid-template-columns: 1fr;
  }

  .dial {
    max-width: 360px;
  }
}

@media (max-width: 720px) {
  .topbar { padding: 18px 18px 8px; }
  .dashboard { padding: 8px 18px 24px; gap: 14px; }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric { padding: 14px 16px; }
  .metric-value { font-size: 24px; }

  .panels {
    grid-template-columns: 1fr;
  }

  .hero-row { padding: 18px; }

  .meta-pill { font-size: 10.5px; padding: 4px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  #needle,
  #gauge-arc,
  .metric,
  .progress-bar,
  .qb-fill,
  .lat-marker,
  .go-btn { transition: none; }
}

/* ===== AdSense slots ===== */
.ad-wrapper {
  width: 100%;
  max-width: 728px;
  margin: 1.5rem auto;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px;
  opacity: 0.92;
}

.ad-wrapper[hidden] { display: none !important; }

.ad-top {
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.ad-results {
  display: flex;
  justify-content: center;
  padding: 8px;
  margin-top: 2rem;
  animation: adFadeIn 0.5s ease;
}

@keyframes adFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 0.92; transform: translateY(0); }
}

.ad-sticky-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  max-width: 100%;
  margin: 0;
  border-radius: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 12, 29, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (max-width: 768px) {
  .ad-sticky-mobile { display: block; }
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0)); }
}