/* Evening for two: plum night, one warm lamp. */
:root {
  --night: #1a1530;
  --dusk: #272043;
  --edge: #3b3260;
  --lamp: #ffc857;
  --lamp-ink: #2a1d00;
  --rose: #f28da6;
  --paper: #f4effa;
  --haze: #a9a1c2;
  --alarm: #ff9a8a;
  --font: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", "Nunito",
    "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(60rem 28rem at 50% -6rem, rgb(255 200 87 / 0.13), transparent 70%),
    var(--night);
  color: var(--paper);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.5;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--lamp);
  outline-offset: 3px;
}

/* --- shared controls --- */

input[type="url"],
input[type="password"] {
  width: 100%;
  min-height: 3.25rem;
  padding: 0 1rem;
  border: 2px solid var(--edge);
  border-radius: 0.9rem;
  background: var(--dusk);
  color: var(--paper);
  font: inherit;
}

input::placeholder { color: var(--haze); opacity: 0.8; }
input:focus { border-color: var(--lamp); outline: none; }

.primary {
  min-height: 3.25rem;
  padding: 0 1.6rem;
  border: 0;
  border-radius: 0.9rem;
  background: var(--lamp);
  color: var(--lamp-ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary:hover { filter: brightness(1.07); }
.primary:active { transform: translateY(1px); }
.primary:disabled { opacity: 0.55; cursor: default; }

.quiet {
  min-height: 2.75rem;
  padding: 0 0.9rem;
  border: 2px solid var(--edge);
  border-radius: 0.9rem;
  background: transparent;
  color: var(--paper);
  font: inherit;
  cursor: pointer;
}

.quiet:hover { border-color: var(--haze); }

label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--haze);
  font-size: 0.95rem;
}

.error { margin: 0.6rem 0 0; color: var(--alarm); }

/* --- the two seats: who is here --- */

.seats { display: inline-flex; gap: 0.3rem; vertical-align: middle; }

.seat {
  width: 1.05rem;
  height: 1.15rem;
  border: 2px solid var(--edge);
  border-radius: 0.5rem 0.5rem 0.2rem 0.2rem;
  transition: background-color 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.seat.taken {
  border-color: var(--rose);
  background: var(--rose);
  box-shadow: 0 0 0.9rem rgb(242 141 166 / 0.55);
}

/* --- login --- */

.door {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: 1.5rem;
}

.door form { width: min(22rem, 100%); }
.door h1 { margin-bottom: 1.6rem; font-size: 2rem; }
.door .primary { width: 100%; margin-top: 1rem; }

/* --- main page --- */

.room {
  width: min(70rem, 100%);
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.presence { display: flex; align-items: center; gap: 0.6rem; color: var(--haze); font-size: 0.95rem; }

.loader { width: min(40rem, 100%); margin: 12vh auto 0; }
.loader.compact { margin-top: 1.5rem; }
.loader .row { display: flex; gap: 0.6rem; }
.loader .row input { flex: 1; min-width: 0; }

.status { width: min(40rem, 100%); margin: 1rem auto 0; color: var(--haze); overflow-wrap: anywhere; }
.status.bad { color: var(--alarm); }

.bar {
  width: min(40rem, 100%);
  height: 0.5rem;
  margin: 0.75rem auto 0;
  border-radius: 1rem;
  background: var(--dusk);
  overflow: hidden;
}

.bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--lamp);
  transition: width 0.4s ease-out;
}

.screen {
  position: relative;
  border-radius: 1.1rem;
  background: #000;
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 0.45), 0 0 0 1px var(--edge);
  overflow: hidden;
}

.screen video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 78dvh;
  background: #000;
}

.join {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(26 21 48 / 0.82);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.join .primary { min-height: 4rem; padding: 0 2.4rem; font-size: 1.3rem; border-radius: 1.2rem; }

.floaters { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.floater {
  position: absolute;
  bottom: 12%;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1;
  pointer-events: none;
  animation: rise 2s ease-out forwards;
}

@keyframes rise {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  15% { transform: translateY(-12%) scale(1.15); opacity: 1; }
  100% { transform: translateY(-340%) scale(1); opacity: 0; }
}

.under {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.video-title { margin: 1rem 0 0; font-size: 1.15rem; font-weight: 600; overflow-wrap: anywhere; }
.note { margin: 0.25rem 0 0; color: var(--haze); font-size: 0.95rem; }

.reactions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.reactions button {
  width: 3.25rem;
  height: 3.25rem;
  border: 2px solid var(--edge);
  border-radius: 50%;
  background: var(--dusk);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.12s;
}

.reactions button:hover { border-color: var(--rose); }
.reactions button:active { transform: scale(0.88); }

@media (max-width: 34rem) {
  .loader .row { flex-direction: column; }
  .loader { margin-top: 6vh; }
  .screen { border-radius: 0.8rem; }
  h1 { font-size: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .floater { animation: appear 2s linear forwards; }
  @keyframes appear {
    0%, 80% { opacity: 1; }
    100% { opacity: 0; }
  }
}