:root {
  --bg: #0a0b12;
  --panel: rgba(23, 26, 35, 0.72);
  --border: #2a2f3f;
  --text: #eef0f7;
  --muted: #98a0b3;
  --accent: #7c5cff;
  --accent-2: #4f7cff;
  --accent-hover: #6a4bf0;
  --danger: #ff5566;
  --danger-2: #ff2e6e;
  --ok: #38e0a0;
  --ring: rgba(124, 92, 255, 0.35);
}

* {
  box-sizing: border-box;
  user-select: none;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  z-index: 0;
  pointer-events: none;
}

body::before {
  top: -220px;
  left: -180px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
}

body::after {
  bottom: -220px;
  right: -180px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
}

.card {
  position: relative;
  z-index: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: card-in 0.35s ease;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--text) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--muted);
  margin: 0 0 28px;
  line-height: 1.5;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.12s ease,
    box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 24px rgba(124, 92, 255, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-2));
  box-shadow: 0 14px 32px rgba(124, 92, 255, 0.45);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-2));
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 46, 110, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #ff2e4e, var(--danger-2));
  box-shadow: 0 14px 32px rgba(255, 46, 110, 0.42);
}

.link-box {
  display: flex;
  gap: 8px;
  margin: 20px 0;
}

.link-box input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(10, 11, 18, 0.7);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.link-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.dot.live {
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 6px var(--ok);
  }
  50% {
    box-shadow: 0 0 14px var(--ok);
  }
}

.dot.error {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.viewer-count {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

video {
  width: 100%;
  border-radius: 14px;
  background: #000;
  display: block;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.host-layout,
.view-layout {
  max-width: 900px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.copy-btn {
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.12s ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.center-msg {
  color: var(--muted);
  text-align: center;
  padding: 60px 0;
}

.hidden {
  display: none !important;
}

.source-select {
  text-align: center;
}

.source-options {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.top-bar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}