@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --color-bg-base:     oklch(0.10 0.003 250);
  --color-bg-surface:  oklch(0.14 0.003 250);
  --color-bg-elevated: oklch(0.18 0.004 250);
  --color-bg-overlay:  oklch(0.24 0.005 250);

  --color-border:        oklch(0.30 0.005 250);
  --color-border-subtle: oklch(0.22 0.004 250);
  --color-border-strong: oklch(0.42 0.006 250);

  --color-text-primary:   oklch(0.96 0.003 250);
  --color-text-secondary: oklch(0.76 0.004 250);
  --color-text-muted:     oklch(0.58 0.005 250);
  --color-text-disabled:  oklch(0.42 0.004 250);

  --color-accent:        oklch(0.78 0.17 60);
  --color-accent-strong: oklch(0.70 0.19 50);
  --color-accent-subtle: oklch(0.78 0.17 60 / 0.12);
  --color-on-accent:     oklch(0.15 0.02 60);

  --color-success:        oklch(0.74 0.15 145);
  --color-success-subtle: oklch(0.74 0.15 145 / 0.12);
  --color-success-border: oklch(0.74 0.15 145 / 0.25);

  --color-warning:        oklch(0.82 0.16 85);
  --color-danger:         oklch(0.65 0.21 25);
  --color-info:           oklch(0.66 0.14 225);

  --font-display: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-body:    "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --text-2xs: 0.6875rem;
  --text-xs:  0.8125rem;
  --text-sm:  1rem;
  --text-md:  1.1875rem;
  --text-lg:  1.5rem;
  --text-xl:  1.875rem;
  --text-2xl: 2.5rem;

  --font-normal:   400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;

  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.55;

  --tracking-tight:  -0.015em;
  --tracking-wide:    0.02em;
  --tracking-wider:   0.08em;
  --tracking-widest:  0.14em;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-full: 9999px;

  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);

  --duration-fast:   100ms;
  --duration-normal: 150ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-expo:    cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  font-feature-settings: "cv02", "cv03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-text-secondary); text-decoration: none; }
a:hover { color: var(--color-text-primary); }
button { font: inherit; }

.mono, .lg-bytes, .lg-kv-value, .lg-id-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.lg-page {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-8);
  gap: var(--space-6);
}

.lg-top {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}
.lg-top-logo {
  height: 26px;
  width: auto;
  display: block;
}
.lg-top-tag {
  font-size: var(--text-2xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border-subtle);
  align-self: stretch;
  display: flex;
  align-items: center;
}
.lg-top-spacer { flex: 1; }

.lg-pop-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px 4px 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid color-mix(in oklch, var(--color-accent) 25%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.lg-pop-pill .status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  box-shadow: 0 0 8px color-mix(in oklch, var(--color-accent) 50%, transparent);
  animation: lg-pulse 2s ease-in-out infinite;
}

@keyframes lg-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

.lg-hero {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(420px, 1.2fr);
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-2) 0 var(--space-4);
}
.lg-hero-kicker {
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin: 0 0 var(--space-3);
}
.lg-hero-title {
  font-size: clamp(1.75rem, 1.5rem + 1.4vw, var(--text-2xl));
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-3);
  color: var(--color-text-primary);
  max-width: 18ch;
}
.lg-hero-title .lg-region-name {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: var(--font-semibold);
  letter-spacing: 0;
}
.lg-hero-sub {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 42ch;
  margin: 0;
}

.lg-id {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}
.lg-id-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  align-items: baseline;
  border-bottom: 1px solid color-mix(in oklch, var(--color-border-subtle) 55%, transparent);
}
.lg-id-row:last-child { border-bottom: 0; }
.lg-id-label {
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
}
.lg-id-value {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
  word-break: break-all;
}
.lg-id-value.placeholder {
  color: var(--color-text-muted);
  font-style: normal;
}
.lg-id-value.placeholder::before {
  content: "·";
  display: inline-block;
  margin-right: var(--space-1);
  color: var(--color-text-disabled);
}
.lg-id-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.lg-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.lg-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
}
.lg-panel-titlewrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.lg-panel-kicker {
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
}
.lg-panel-title {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  margin: 0;
  letter-spacing: var(--tracking-tight);
}
.lg-panel-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.lg-panel-body { padding: var(--space-4) var(--space-6) var(--space-6); }
.lg-panel-body.flush { padding: 0; }

.lg-speedtest {
  position: relative;
  width: 100%;
  height: 580px;
  background: var(--color-bg-base);
  border-top: 1px solid var(--color-border-subtle);
}
.lg-speedtest iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.lg-dl {
  display: grid;
  gap: 0;
}
.lg-dl-row {
  display: grid;
  grid-template-columns: 64px 1fr 160px auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid color-mix(in oklch, var(--color-border-subtle) 55%, transparent);
}
.lg-dl-row:last-child { border-bottom: 0; }
.lg-dl-row:hover { background: color-mix(in oklch, var(--color-bg-surface), white 2%); }

.lg-dl-size {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}
.lg-dl-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.lg-dl-bytes {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
}

.lg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  min-height: 36px;
  background: var(--color-bg-overlay);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--duration-fast) var(--ease-default),
    border-color var(--duration-fast) var(--ease-default),
    color var(--duration-fast) var(--ease-default);
  white-space: nowrap;
}
.lg-btn:hover {
  background: color-mix(in oklch, var(--color-bg-overlay), var(--color-text-primary) 6%);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}
.lg-btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: var(--color-accent);
}
.lg-btn-primary:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: var(--color-on-accent);
}
.lg-btn svg { width: 14px; height: 14px; }

.lg-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.lg-foot-tech {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-tight);
}
.lg-foot a { color: var(--color-text-secondary); }
.lg-foot a:hover { color: var(--color-text-primary); }

@media (prefers-reduced-motion: no-preference) {
  .lg-page > * { animation: lg-fade-up 320ms var(--ease-expo) both; }
  .lg-page > .lg-top   { animation-delay:  0ms; }
  .lg-page > .lg-hero  { animation-delay: 60ms; }
  .lg-page > .lg-panel:nth-of-type(1) { animation-delay: 120ms; }
  .lg-page > .lg-panel:nth-of-type(2) { animation-delay: 180ms; }
  .lg-page > .lg-foot  { animation-delay: 240ms; }
}
@keyframes lg-fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .lg-hero { grid-template-columns: 1fr; gap: var(--space-6); }
  .lg-id-row { grid-template-columns: 100px 1fr; }
  .lg-id-meta { grid-column: 2; padding-top: var(--space-1); }
  .lg-speedtest { height: 720px; }
}
@media (max-width: 600px) {
  .lg-page { padding: var(--space-4); }
  .lg-panel-head { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .lg-dl-row {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "size name"
      "bytes button";
    row-gap: var(--space-2);
  }
  .lg-dl-size  { grid-area: size; }
  .lg-dl-name  { grid-area: name; }
  .lg-dl-bytes { grid-area: bytes; text-align: left; }
  .lg-btn      { grid-area: button; justify-self: end; }
  .lg-speedtest { height: 760px; }
}