:root {
  --bg-0: #0a0a14;
  --bg-1: #11111d;
  --ink: #f5f5f7;
  --ink-dim: #a4a4b8;
  --accent: #c9a96e;
  --accent-2: #f1d9a6;
  --live: #ff3b3b;
  --good: #44d07b;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(255, 255, 255, 0.10);
  --border: rgba(255, 255, 255, 0.10);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  --radius: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--ink);
  background: var(--bg-0);
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(201, 169, 110, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(120, 80, 200, 0.18), transparent 60%),
    linear-gradient(180deg, #07070d 0%, #0a0a14 100%);
  min-height: 100vh;
}

/* ====== Landing ====== */
.landing {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.brand .cross {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  position: relative;
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.35);
}
.brand .cross::before, .brand .cross::after {
  content: "";
  position: absolute;
  background: #1a1408;
  border-radius: 2px;
}
.brand .cross::before { top: 7px; bottom: 7px; left: 17px; width: 4px; }
.brand .cross::after  { left: 9px; right: 9px; top: 15px; height: 4px; }
.brand .name { font-size: 18px; letter-spacing: 0.2em; color: var(--ink-dim); }

.hero {
  width: min(960px, 100%);
  text-align: center;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 64px);
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 0%, #c8c8d8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  color: var(--ink-dim);
  font-size: 17px;
  margin: 0 0 36px;
  line-height: 1.6;
}

.choice {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 20px;
}
@media (max-width: 720px) {
  .choice { grid-template-columns: 1fr; }
}

.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,169,110,0.18), transparent 50%);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--glass-strong);
  border-color: rgba(201, 169, 110, 0.35);
}
.card:hover::before { opacity: 1; }
.card .icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(201,169,110,0.25), rgba(201,169,110,0.05));
  border: 1px solid rgba(201,169,110,0.3);
  margin-bottom: 18px;
  font-size: 22px;
}
.card h3 { margin: 0 0 6px; font-size: 22px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-dim); font-size: 14.5px; line-height: 1.55; }

/* ====== App Shell ====== */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 20, 0.55);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .left { display: flex; align-items: center; gap: 12px; }
.topbar .title { font-size: 15px; color: var(--ink-dim); letter-spacing: 0.04em; }
.topbar .right { display: flex; align-items: center; gap: 14px; }

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 59, 59, 0.12);
  border: 1px solid rgba(255, 59, 59, 0.4);
  color: #ffb3b3;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.live-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.7);
  animation: pulse 1.4s infinite;
}
.live-pill.off {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
  color: var(--ink-dim);
}
.live-pill.off .dot {
  background: #555;
  animation: none;
  box-shadow: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.55); }
  70%  { box-shadow: 0 0 0 12px rgba(255, 59, 59, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 59, 59, 0); }
}

.viewer-count {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink-dim); font-size: 13px;
}
.viewer-count svg { width: 16px; height: 16px; opacity: 0.7; }

.stage {
  flex: 1;
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}
@media (max-width: 980px) {
  .stage { grid-template-columns: 1fr; }
}

.video-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}
.video-wrap .badge {
  position: absolute; top: 14px; left: 14px;
  z-index: 2;
}
.video-wrap .overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: radial-gradient(circle at 50% 40%, rgba(201,169,110,0.10), rgba(0,0,0,0.7));
  text-align: center;
  padding: 24px;
  transition: opacity 0.4s ease;
}
.video-wrap .overlay.hide { opacity: 0; pointer-events: none; }
.overlay h2 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.overlay p { margin: 0; color: var(--ink-dim); font-size: 14px; }
.overlay .spinner {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
  margin: 0 auto 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.panel h4 {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.field { margin-bottom: 14px; }
.field label {
  display: block; margin-bottom: 6px;
  font-size: 12px; color: var(--ink-dim);
  letter-spacing: 0.06em;
}
.field input {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus {
  border-color: rgba(201,169,110,0.6);
  background: rgba(0,0,0,0.45);
}

.btn {
  width: 100%;
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 14px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, opacity 0.2s ease;
  letter-spacing: 0.02em;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1a1408;
  box-shadow: 0 12px 30px rgba(201,169,110,0.35);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); }

.btn-danger {
  background: linear-gradient(135deg, #ff5b5b, #c33);
  color: #fff;
  box-shadow: 0 12px 30px rgba(255,59,59,0.35);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,0.1); }

.row { display: flex; gap: 10px; }
.row .btn { flex: 1; }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 14px;
}
.stat .k { font-size: 11px; color: var(--ink-dim); letter-spacing: 0.1em; text-transform: uppercase; }
.stat .v { font-size: 22px; margin-top: 4px; font-weight: 600; letter-spacing: -0.01em; }

.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.toggle-row:last-child { border-bottom: none; }
.toggle-row .label { color: var(--ink-dim); }
.toggle {
  position: relative; width: 44px; height: 26px;
  border-radius: 999px; background: rgba(255,255,255,0.1);
  border: 1px solid var(--border);
  cursor: pointer; transition: background 0.2s ease;
}
.toggle::after {
  content: "";
  position: absolute; top: 2px; left: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; transition: transform 0.2s ease;
}
.toggle.on { background: var(--accent); }
.toggle.on::after { transform: translateX(18px); }

.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 20, 30, 0.95);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  backdrop-filter: blur(20px);
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.back {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color 0.2s ease;
}
.back:hover { color: var(--ink); }

.elapsed {
  font-variant-numeric: tabular-nums;
  color: var(--ink-dim);
  font-size: 13px;
}