:root {
  --bg-deep: #0f1115;
  --bg-earth: #2a2119;
  --glass: rgb(20 22 26 / 0.72);
  --edge: rgb(255 255 255 / 0.1);
  --text: #e9e4dc;
  --muted: #a39b8f;
  --accent: #e8b86d;
  --accent-ink: #1b1510;
  --danger: #e07a6a;
  --warn: #f0c674;
  --term-bg: #14161a;
  color-scheme: dark;
}

[hidden] {
  display: none !important;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background:
    radial-gradient(ellipse at 50% 120%, var(--bg-earth) 0%, transparent 60%),
    radial-gradient(ellipse at 10% -10%, #1c2530 0%, transparent 55%),
    var(--bg-deep);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.45;
}

button {
  font: inherit;
  border: 0;
  border-radius: 0.5rem;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

button:focus-visible {
  outline: 0.15rem solid var(--text);
  outline-offset: 0.15rem;
}

button.secondary {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 0.0625rem var(--edge);
}

/* --- greeter ------------------------------------------------------------------------ */

.greeter {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2.5rem;
  padding: 2rem 1rem;
}

.clock {
  text-align: center;
  text-shadow: 0 0.1rem 1rem rgb(0 0 0 / 0.5);
}

.clock time {
  display: block;
  font-size: clamp(3.5rem, 12vw, 6.5rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.clock div {
  font-size: 1.15rem;
  color: var(--muted);
}

.card {
  width: min(24rem, 100%);
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: 2rem 1.75rem;
  background: var(--glass);
  border: 0.0625rem solid var(--edge);
  border-radius: 1rem;
  backdrop-filter: blur(1rem);
  text-align: center;
}

.card h1,
.card h2 {
  margin: 0;
  font-weight: 500;
}

.card h1 {
  font-size: 1.5rem;
}

.card h2 {
  font-size: 1.2rem;
}

.card p {
  margin: 0;
}

.card button {
  width: 100%;
}

.avatar {
  width: 5rem;
  height: 5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), #b9843f);
  color: var(--accent-ink);
  font-size: 2.4rem;
  font-weight: 600;
}

.qr {
  width: min(15rem, 70vw);
  aspect-ratio: 1;
  border-radius: 0.5rem;
  image-rendering: pixelated;
}

.code strong {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  margin-left: 0.4rem;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.875rem;
}

.warn {
  color: var(--warn);
}

.notice {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  max-width: min(36rem, calc(100% - 2rem));
  margin: 0;
  padding: 0.7rem 1rem;
  background: var(--glass);
  border: 0.0625rem solid var(--edge);
  border-radius: 0.6rem;
  text-align: center;
}

/* --- desktop ------------------------------------------------------------------------ */

.desktop {
  height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--term-bg);
}

.panel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.3rem 0.6rem;
  background: #0b0c0f;
  border-bottom: 0.0625rem solid var(--edge);
  font-size: 0.85rem;
  white-space: nowrap;
}

.brand {
  font-weight: 700;
  color: var(--accent);
}

.who {
  color: var(--muted);
}

.spacer {
  flex: 1;
}

.panel time {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.panel-button {
  padding: 0.25rem 0.6rem;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  box-shadow: inset 0 0 0 0.0625rem var(--edge);
}

.panel-button.danger {
  color: var(--danger);
}

.terminal {
  min-height: 0;
  padding: 0.25rem 0 0 0.4rem;
}

@media (max-width: 40rem) {
  .who,
  .panel time {
    display: none;
  }
}