:root {
  /* Page */
  --color-page-bg: #fff;

  /* Typography */
  --color-ink-0: #191614;
  --color-ink-1: rgba(25, 22, 20, 0.74);

  /* Warm accent (buttons, rule, progress when “live”) */
  --color-brass: #8a6a1f;
  --color-brass-bright: #b08a3c;
  --color-brass-16: rgba(176, 138, 60, 0.16);
  --color-brass-22: rgba(176, 138, 60, 0.22);
  --color-brass-border: rgba(138, 106, 31, 0.35);
  --color-brass-border-strong: rgba(176, 138, 60, 0.70);
  --color-brass-outline: rgba(176, 138, 60, 0.85);
  --color-rule-mid: rgba(138, 106, 31, 0.55);
  --color-progress-fill-a: rgba(176, 138, 60, 0.30);
  --color-progress-fill-b: rgba(176, 138, 60, 0.78);
  --color-progress-track-accent-bg: rgba(25, 22, 20, 0.10);
  --color-progress-track-accent-border: rgba(138, 106, 31, 0.22);

  /* Panel chrome */
  --color-panel-bg: #fff;
  --color-panel-stroke: rgba(138, 106, 31, 0.30);
  --color-panel-shadow: rgba(12, 10, 8, 0.08);
  --color-panel-inset: rgba(0, 0, 0, 0.04);

  /* Loader phase (grayscale) — first ~2s */
  --color-loader-icon: #6f6f6f;
  --color-loader-progress-track-bg: rgba(0, 0, 0, 0.06);
  --color-loader-progress-track-border: rgba(0, 0, 0, 0.12);
  --color-loader-progress-fill-a: rgba(0, 0, 0, 0.22);
  --color-loader-progress-fill-b: rgba(0, 0, 0, 0.52);
  --color-loader-shimmer-mid: rgba(255, 255, 255, 0.35);
  --opacity-loader-shimmer: 0.45;

  /* Accent phase — shimmer on progress */
  --color-accent-shimmer-mid: rgba(255, 255, 255, 0.55);
  --opacity-accent-shimmer: 0.5;

  /* Sigil glow (neutral; tweak in :root if needed) */
  --color-icon-glow-soft: rgba(12, 10, 8, 0.14);
  --color-icon-glow-strong: rgba(12, 10, 8, 0.12);

  /* Aliases used elsewhere */
  --ink-0: var(--color-ink-0);
  --ink-1: var(--color-ink-1);
  --brass: var(--color-brass);
  --brass-2: var(--color-brass-bright);
  --panel: var(--color-panel-bg);
  --stroke: var(--color-panel-stroke);
  --shadow: var(--color-panel-shadow);
}

*, *::before, *::after {
  box-sizing: border-box;
}

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

html {
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--color-page-bg);
  color: var(--ink-1);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  overflow-x: hidden;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 24px;
}

.panel {
  /* Active palette for children — switch in .panel--ready */
  --icon-fill: var(--color-loader-icon);
  --progress-track-bg: var(--color-loader-progress-track-bg);
  --progress-track-border: var(--color-loader-progress-track-border);
  --progress-fill-a: var(--color-loader-progress-fill-a);
  --progress-fill-b: var(--color-loader-progress-fill-b);
  --progress-shimmer-mid: var(--color-loader-shimmer-mid);
  --progress-shimmer-opacity: var(--opacity-loader-shimmer);

  width: min(520px, 100%);
  max-width: 100%;
  min-width: 0;
  padding: 8px 0;
  border-radius: 14px;
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
  transition:
    background 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    padding 0.35s ease;
}

.panel.panel--ready {
  --icon-fill: var(--color-brass-bright);
  --progress-track-bg: var(--color-progress-track-accent-bg);
  --progress-track-border: var(--color-progress-track-accent-border);
  --progress-fill-a: var(--color-progress-fill-a);
  --progress-fill-b: var(--color-progress-fill-b);
  --progress-shimmer-mid: var(--color-accent-shimmer-mid);
  --progress-shimmer-opacity: var(--opacity-accent-shimmer);

  padding: 22px 18px;
  background: var(--panel);
  border-color: var(--stroke);
  box-shadow:
    0 14px 40px var(--shadow),
    0 0 0 1px var(--color-panel-inset) inset;
}

.panel__rest {
  max-height: 0;
  min-width: 0;
  width: 100%;
  opacity: 0;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
  transition:
    max-height 0.45s ease,
    opacity 0.35s ease,
    visibility 0s linear 0.35s;
}

.panel.panel--ready .panel__rest {
  max-height: 420px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    max-height 0.45s ease,
    opacity 0.35s ease 0.05s,
    visibility 0s linear 0s;
}

@media (max-width: 360px) {
  .content {
    padding: 14px;
  }

  .panel.panel--ready {
    padding: 18px 14px;
  }

  .loading {
    font-size: 13px;
  }

  .mirrors {
    flex-wrap: wrap;
    gap: 8px;
  }

  .mirror {
    flex: 1 1 140px;
    text-align: center;
  }
}

.rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-rule-mid), transparent);
  margin: 12px 0 18px;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ink-1);
  min-width: 0;
  max-width: 100%;
}

.icon {
  display: inline-block;
  height: 2em;
  width: 2em;
  color: var(--icon-fill);
  animation: sigil-blink 2400ms ease-in-out infinite;
  will-change: opacity, filter;
  transition: color 0.4s ease;
}

@keyframes sigil-blink {
  0%, 100% {
    opacity: 0.55;
    filter: drop-shadow(0 2px 2px var(--color-icon-glow-soft));
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 8px 10px var(--color-icon-glow-strong));
  }
}

@media (prefers-reduced-motion: reduce) {
  .icon {
    animation: none;
  }
}

.progress {
  margin-top: 14px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 6px;
  border-radius: 999px;
  background: var(--progress-track-bg);
  border: 1px solid var(--progress-track-border);
  overflow: hidden;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.progress__bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    var(--progress-fill-a),
    var(--progress-fill-b)
  );
  animation: load-progress 12s cubic-bezier(0.2, 0.9, 0.2, 1) forwards;
  transition: background 0.4s ease;
}

.progress__bar::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -35%;
  width: 35%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--progress-shimmer-mid),
    transparent
  );
  transform: skewX(-18deg);
  opacity: var(--progress-shimmer-opacity);
  animation: sweep 2200ms linear infinite;
  pointer-events: none;
  transition: background 0.4s ease, opacity 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
  .progress__bar {
    animation: none;
    width: 45%;
  }

  .progress__bar::after {
    display: none;
  }
}

@keyframes load-progress {
  0% { width: 0%; }
  20% { width: 38%; }
  45% { width: 62%; }
  70% { width: 78%; }
  88% { width: 86%; }
  100% { width: 92%; }
}

@keyframes sweep {
  0% { left: -35%; }
  100% { left: 110%; }
}

.mirrors {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.mirror {
  color: var(--ink-0);
  text-decoration: none;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--color-brass-border);
  background: linear-gradient(180deg, var(--color-brass-16), rgba(255, 255, 255, 0));
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.mirror:hover {
  transform: translateY(-1px);
  border-color: var(--color-brass-border-strong);
  background: linear-gradient(180deg, var(--color-brass-22), rgba(255, 255, 255, 0));
  box-shadow: 0 10px 18px var(--color-panel-shadow);
}

.mirror:active {
  transform: translateY(0px);
}

.mirror:focus-visible {
  outline: 2px solid var(--color-brass-outline);
  outline-offset: 3px;
}