/* =========================================================================
   Media Ingest & Transcode Telemetry — Design System
   Fully autonomous stylesheet. No external resources, no web fonts.
   -------------------------------------------------------------------------
   Theming tokens are declared once below and may be re-calibrated at runtime
   by the client engine (see js/app.js) to diversify edge-node presentation.
   ========================================================================= */

:root {
  /* Surfaces */
  --bg:            #070b14;
  --bg-elevated:   #0b111d;
  --surface:       #0e1524;
  --surface-2:     #121b2e;
  --surface-3:     #162034;

  /* Lines */
  --border:        #1b2740;
  --border-strong: #27344f;

  /* Type */
  --text:          #e9eef8;
  --text-soft:     #a7b4cb;
  --text-muted:    #6d7b95;

  /* Accents (calibrated at runtime) */
  --accent:        #2aa5c2;
  --accent-ink:    #04141a;
  --accent-soft:   rgba(42, 165, 194, 0.12);
  --accent-line:   rgba(42, 165, 194, 0.35);

  --ok:            #2fae7e;
  --ok-soft:       rgba(47, 174, 126, 0.12);
  --warn:          #cf9a3a;
  --warn-soft:     rgba(207, 154, 58, 0.12);
  --err:           #d15c6e;
  --err-soft:      rgba(209, 92, 110, 0.12);

  /* Geometry (calibrated at runtime) */
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     18px;

  --maxw:          1160px;
  --gutter:        1.5rem;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
               Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", "Courier New", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.015em; font-weight: 650; }

/* ---------- ambient backdrop (subtle, non-luminous) ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(820px 460px at 16% -8%, rgba(42, 165, 194, 0.07), transparent 62%),
    radial-gradient(680px 420px at 92% 2%, rgba(47, 174, 126, 0.045), transparent 58%);
}
.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(120, 145, 185, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120, 145, 185, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
          mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
}

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
main { flex: 1; }
.section { padding-block: 3.25rem; }
.section + .section { border-top: 1px solid var(--border); }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.section-head h2 { font-size: 1.4rem; }
.section-head p { color: var(--text-soft); font-size: 0.9rem; margin-top: 0.35rem; max-width: 56ch; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 62px;
}
.brand { display: flex; align-items: center; gap: 0.7rem; min-width: 0; }
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(150deg, var(--surface-2), var(--surface));
  display: grid; place-items: center;
  flex: none;
}
.brand-mark svg { width: 16px; height: 16px; color: var(--accent); }
.brand-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.brand-name b { color: var(--text-muted); font-weight: 500; }
.header-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.header-meta .status-ok { color: var(--ok); }
.clock { color: var(--text-soft); font-variant-numeric: tabular-nums; }
@media (max-width: 720px) {
  .header-meta .clock, .header-meta .region { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
              color 0.18s var(--ease), transform 0.12s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, white); }
.btn-ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--text-muted); }
.btn-muted { background: var(--surface-2); border-color: var(--border); color: var(--text-soft); }
.btn-muted:hover { background: var(--surface-3); color: var(--text); }
.btn-block { width: 100%; }

/* ---------- chips / badges ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-soft);
  background: var(--surface);
}
.chip svg { width: 13px; height: 13px; color: var(--text-muted); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.24rem 0.6rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: rgba(207, 154, 58, 0.28); }
.badge-ok   { background: var(--ok-soft);   color: var(--ok);   border-color: rgba(47, 174, 126, 0.28); }
.badge-neutral { background: var(--surface-2); color: var(--text-soft); border-color: var(--border); }

/* ---------- dot ---------- */
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex: none; }
.dot.pulse { animation: dotPulse 2.6s var(--ease) infinite; }
@keyframes dotPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ---------- hero ---------- */
.hero { padding-block: 4rem 3rem; }
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  max-width: 20ch;
  margin-top: 1rem;
}
.hero h1 .accent { color: var(--accent); }
.lede {
  color: var(--text-soft);
  font-size: 1.02rem;
  max-width: 62ch;
  margin-top: 1.15rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.trust { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.75rem; }

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.card-head h3 { font-size: 0.98rem; }
.card-head .sub { color: var(--text-muted); font-size: 0.78rem; font-family: var(--font-mono); }

/* ---------- status grid ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--surface);
  padding: 1.15rem 1.25rem;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}
.stat-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.stat-val.ok { color: var(--ok); }
.stat-val.warn { color: var(--warn); }
.stat-sub { font-size: 0.74rem; color: var(--text-muted); margin-top: 0.35rem; }
.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-soft);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

/* ---------- operations split ---------- */
.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

/* ---------- live feed ---------- */
.feed { display: flex; flex-direction: column; gap: 0.15rem; min-height: 268px; }
.feed-row {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.5rem 0.15rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  animation: feedIn 0.4s var(--ease);
}
.feed-row:last-child { border-bottom: 0; }
.feed-row .t { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.feed-row .m { color: var(--text-soft); }
.feed-row .m b { color: var(--text); font-weight: 600; }
.feed-row .tag { font-size: 0.68rem; padding: 0.05rem 0.4rem; border-radius: 4px; border: 1px solid var(--border); color: var(--text-muted); }
.feed-row[data-sev="warn"] .tag { color: var(--warn); border-color: rgba(207,154,58,.3); }
.feed-row[data-sev="ok"] .tag { color: var(--ok); border-color: rgba(47,174,126,.3); }
.feed-row[data-sev="err"] .tag { color: var(--err); border-color: rgba(209,92,110,.3); }
@keyframes feedIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ---------- sparkline ---------- */
.spark-wrap { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-elevated); padding: 0.6rem 0.7rem 0.35rem; }
.spark { width: 100%; height: 76px; }
.spark-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); padding-top: 0.35rem; }

/* ---------- pipeline ---------- */
.pipeline { display: flex; flex-direction: column; gap: 0.15rem; margin-top: 1.1rem; }
.pipe-row {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.pipe-row:last-child { border-bottom: 0; }
.pipe-index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); }
.pipe-name { color: var(--text-soft); }
.pipe-name b { color: var(--text); font-weight: 600; }
.pipe-status { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ok); }
.pipe-status.busy { color: var(--accent); }

/* ---------- features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.feature .ico {
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  display: grid; place-items: center;
  margin-bottom: 1rem;
}
.feature .ico svg { width: 17px; height: 17px; color: var(--accent); }
.feature h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.feature p { color: var(--text-soft); font-size: 0.87rem; }

/* ---------- gatekeeper ---------- */
.gatekeeper { padding-block: 3.5rem; }
.gate {
  max-width: 640px;
  margin: 0 auto;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(120deg, var(--accent-line), var(--border) 55%) border-box;
  border: 1px solid transparent;
}
.gate h2 { font-size: 1.2rem; margin: 0.7rem 0 0.5rem; }
.gate > p { color: var(--text-soft); font-size: 0.87rem; }
.field { margin-top: 1.35rem; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}
.input-field {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.18s var(--ease);
}
.input-field::placeholder { color: var(--text-muted); }
.input-field:focus { border-color: var(--accent); }
.gate-actions { display: flex; gap: 0.7rem; margin-top: 1rem; }
.gate-actions .btn { flex: 1; }
@media (max-width: 520px) { .gate-actions { flex-direction: column; } }
.auth-error {
  display: none;
  align-items: flex-start;
  gap: 0.55rem;
  margin-top: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(209, 92, 110, 0.3);
  border-radius: var(--radius-sm);
  background: var(--err-soft);
  color: var(--err);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.auth-error.show { display: flex; animation: feedIn 0.3s var(--ease); }
.auth-error svg { width: 15px; height: 15px; margin-top: 1px; flex: none; }
.auth-ok {
  display: none;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(47, 174, 126, 0.3);
  border-radius: var(--radius-sm);
  background: var(--ok-soft);
  color: var(--ok);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.auth-ok.show { display: flex; animation: feedIn 0.3s var(--ease); }
.fineprint { margin-top: 1.15rem; font-size: 0.78rem; color: var(--text-muted); }
.fineprint a { color: var(--text-soft); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  margin-top: 1rem;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1.5rem;
  padding-block: 2.5rem;
}
@media (max-width: 760px) { .footer-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-main { grid-template-columns: 1fr; } }
.footer-brand .brand { margin-bottom: 0.9rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.82rem; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  font-weight: 600;
}
.footer-col a {
  display: block;
  color: var(--text-soft);
  font-size: 0.85rem;
  padding: 0.22rem 0;
  transition: color 0.15s var(--ease);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-soft); }
.footer-bottom a:hover { color: var(--text); }

/* ---------- error pages ---------- */
.err-page {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 4rem 1.5rem;
}
.err-card { max-width: 520px; width: 100%; text-align: center; }
.err-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1rem;
}
.err-code.warn { color: var(--warn); }
.err-code.err { color: var(--err); }
.err-card h1 { font-size: 1.35rem; margin-bottom: 0.6rem; }
.err-card p { color: var(--text-soft); font-size: 0.9rem; margin-bottom: 1.75rem; }
.err-card .actions { display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap; }

/* ---------- utilities ---------- */
.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }
.soft { color: var(--text-soft); }
.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;
}
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- focus ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }