:root {
  color-scheme: light;
  --bg: #f6f3eb;
  --panel: rgba(255, 252, 246, 0.94);
  --ink: #172126;
  --muted: #5c6a70;
  --line: rgba(23, 33, 38, 0.14);
  --primary: #0c7c59;
  --primary-strong: #08563e;
  --danger: #b43f3f;
  --warning: #9f6a00;
  --shadow: 0 24px 60px rgba(33, 41, 52, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(12, 124, 89, 0.18), transparent 28%),
    radial-gradient(circle at right, rgba(202, 138, 4, 0.14), transparent 24%),
    linear-gradient(180deg, #f7f5ee 0%, #efe8db 100%);
}

.brand-badge {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 20;
  pointer-events: none;
}

.brand-badge__text {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1px solid rgba(12, 124, 89, 0.18);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.78);
  box-shadow: 0 10px 28px rgba(12, 124, 89, 0.14);
  color: var(--primary-strong);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  animation: badgeFloat 3.2s ease-in-out infinite, badgeGlow 2.4s ease-in-out infinite;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 18px 48px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  color: var(--primary-strong);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 4rem);
  line-height: 1.02;
}

.intro {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.04rem;
}

.panel {
  display: grid;
  gap: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card,
.video-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.card {
  padding: 22px;
}

.video-card {
  padding: 20px;
}

h2 {
  margin-top: 0;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  cursor: pointer;
  background: #e4e7e6;
  color: var(--ink);
  transition: transform 140ms ease, background 140ms ease, opacity 140ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button.primary {
  background: var(--primary);
  color: white;
}

button.primary:hover:not(:disabled) {
  background: var(--primary-strong);
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: white;
}

label {
  display: block;
  margin: 18px 0 8px;
  color: var(--muted);
}

.join-row,
.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.room-code-box,
.status-list {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.room-code-box {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(12, 124, 89, 0.08);
}

.room-code-box span,
.status-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

.room-code-box strong,
.status-list strong {
  font-size: 1.1rem;
}

.status-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.message {
  min-height: 48px;
  margin: 18px 0 0;
  padding: 13px 15px;
  border-radius: 14px;
}

.message.info {
  background: rgba(12, 124, 89, 0.08);
}

.message.warning {
  background: rgba(159, 106, 0, 0.12);
}

.message.error {
  background: rgba(180, 63, 63, 0.14);
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.video-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.audio-tools {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.audio-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

video {
  width: 100%;
  border-radius: 18px;
  background: #0d1117;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

#localPreview {
  margin-top: 12px;
  max-width: 280px;
  margin-left: auto;
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

@keyframes badgeFloat {
  0%,
  100% {
    transform: translateY(0px) scale(1);
  }

  50% {
    transform: translateY(-4px) scale(1.02);
  }
}

@keyframes badgeGlow {
  0%,
  100% {
    box-shadow: 0 10px 28px rgba(12, 124, 89, 0.14);
  }

  50% {
    box-shadow: 0 14px 32px rgba(202, 138, 4, 0.2);
  }
}

@media (max-width: 820px) {
  .brand-badge {
    top: 12px;
    right: 12px;
  }

  .brand-badge__text {
    padding: 8px 12px;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .status-list {
    grid-template-columns: 1fr;
  }
}