:root {
  /* Brand Colors */
  --jm-pink: #EF6F9F;
  --jm-blue: #94D6E8;
  --jm-purple-dark: #1A1640;
  
  /* Core UI Colors */
  --bg-deep: #05040a;
  --glass-bg: rgba(20, 16, 35, 0.55);
  --glass-border: rgba(148, 214, 232, 0.25);
  --text-main: #ffffff;
  --font-family: system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-family);
  overflow: hidden;
  height: 100vh;
  min-height: 100svh;
  -webkit-font-smoothing: antialiased;
}

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* --- Media Wall Background --- */
.media-wall-container {
  position: absolute;
  inset: -60vmax;
  z-index: 0;
  transform: rotate(-8deg);
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: var(--bg-deep);
  contain: paint;
}

.media-wall {
  display: flex;
  gap: var(--column-gap, 16px);
  width: max-content;
  height: auto;
  justify-content: center;
  align-items: flex-start;
  contain: layout paint;
  filter: blur(6px);
  transform: scale(1.04);
}

.media-column {
  display: flex;
  flex-direction: column;
  gap: var(--tile-gap, 14px);
  width: var(--tile-width, 190px);
  will-change: transform;
  flex: 0 0 auto;
}

.media-tile {
  position: relative;
  width: 100%;
  height: var(--tile-height, 245px);
  flex: 0 0 var(--tile-height, 245px);
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(18, 13, 36, 0.9);
  background-image: linear-gradient(145deg, rgba(239, 111, 159, 0.34), rgba(148, 214, 232, 0.18));
  background-position: center;
  background-size: cover;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
  opacity: 0.68;
}

.media-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(255,255,255,0.12), transparent 52%);
  pointer-events: none;
}

.media-tile.is-idle {
  opacity: 0.34;
}

.media-tile.is-idle::before {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  filter: blur(18px);
}

.media-column img,
.media-column video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.02) brightness(0.96);
  display: block;
  background: transparent;
}

.media-column video {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.media-tile.is-video-ready video {
  opacity: 1;
}

.media-tile.media-failed video {
  visibility: hidden;
}

.scroll-up { animation: scrollUp 55s linear infinite; }
.scroll-down { animation: scrollDown 55s linear infinite; }

@keyframes scrollUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(calc(var(--scroll-distance) * -1)); }
}
@keyframes scrollDown {
  0% { transform: translateY(calc(var(--scroll-distance) * -1)); }
  100% { transform: translateY(0); }
}

/* Gradient Overlay */
.wall-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(5, 4, 10, 0.16), rgba(5, 4, 10, 0.38)),
    radial-gradient(circle at center, rgba(10, 8, 20, 0.08) 0%, rgba(5, 4, 10, 0.88) 92%);
  pointer-events: none;
}

/* --- Branding --- */
.brand-slot {
  position: absolute;
  z-index: 15;
  transition: transform 0.3s ease;
}
.brand-slot:hover { transform: scale(1.05); }
.brand-slot-primary { top: 32px; left: 40px; width: 200px; }
.brand-slot img { width: 70%; height: auto; display: block; }

/* --- Central Card --- */
.premium-card {
  position: relative;
  z-index: 10;
  width: min(92vw, 460px);
  padding: 26px 28px 28px;
  background: var(--glass-bg); 
  backdrop-filter: blur(24px); 
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 60px rgba(148, 214, 232, 0.1);
  pointer-events: none;
}

/* --- Buttons --- */
.action-buttons {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 2;
}

.button-stack {
  position: relative;
  width: 100%;
}

.button-stack-preview {
  padding-top: 138px;
}

.button-art {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.preview-art {
  left: 50%;
  bottom: 64px;
  z-index: 7;
  width: min(60%, 240px);
  max-height: 248px;
  object-fit: contain;
  object-position: center bottom;
  display: block;
  transform: translateX(-50%);
  filter: drop-shadow(0 20px 34px rgba(0, 0, 0, 0.72));
}

.age-art {
  top: -12px;
  right: -8px;
  z-index: 10;
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.5));
}

.btn {
  position: relative;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-height: 64px;
  padding: 20px 24px;
  border-radius: 12px;
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  text-align: center;
  line-height: 1.2;
  overflow: hidden;
  overflow-wrap: break-word;
}

.btn span {
  position: relative;
  z-index: 9;
  min-width: 0;
}

.btn-primary {
  background: var(--jm-pink);
  color: var(--text-main);
  box-shadow: 0 12px 30px rgba(239, 111, 159, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(239, 111, 159, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(148, 214, 232, 0.05);
  color: var(--jm-blue);
  border: 1px solid rgba(148, 214, 232, 0.4);
  padding-right: 48px;
}
.btn-secondary:hover {
  background: rgba(148, 214, 232, 0.15);
  border-color: var(--jm-blue);
}

/* --- Modal --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.modal.is-open { opacity: 1; pointer-events: auto; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 4, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.modal-content {
  position: relative;
  z-index: 101;
  width: min(100%, 460px);
  max-height: calc(100svh - 48px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 50% 0%, rgba(148, 214, 232, 0.13), transparent 34%),
    linear-gradient(180deg, rgba(24, 20, 40, 0.96), rgba(8, 7, 15, 0.98)),
    var(--bg-deep);
  border: 1px solid rgba(148, 214, 232, 0.42);
  border-radius: 22px;
  padding: 24px;
  transform: translateY(12px) scale(0.96);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.86), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.modal.is-open .modal-content { transform: translateY(0) scale(1); }

.modal-header {
  margin-bottom: 16px;
  padding-right: 34px;
  text-align: center;
}

.modal-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 0 12px;
  border: 1px solid rgba(148, 214, 232, 0.28);
  border-radius: 999px;
  background: rgba(148, 214, 232, 0.08);
  color: var(--jm-blue);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.modal-header h2 {
  color: var(--text-main);
  font-size: 1.58rem;
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: 0;
  text-wrap: balance;
}

.modal-steps {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: modal-step;
}

.modal-steps li {
  counter-increment: modal-step;
  position: relative;
  min-height: 40px;
  padding: 10px 12px 10px 46px;
  border: 1px solid rgba(148, 214, 232, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.25;
}

.modal-steps li::before {
  content: counter(modal-step);
  position: absolute;
  left: 12px;
  top: 50%;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--jm-pink);
  color: white;
  font-size: 0.85rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.video-wrapper {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #05040a;
  aspect-ratio: 16/9;
  border: 1px solid rgba(148, 214, 232, 0.28);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.48);
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: blur(7px) saturate(1.08) brightness(0.78);
  transform: scale(1.045);
}

.premium-blur-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(239, 111, 159, 0.16), transparent 38%),
    rgba(5, 4, 10, 0.2);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  pointer-events: none;
}

.lock-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(148, 214, 232, 0.92);
  color: var(--jm-purple-dark);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55), 0 0 30px rgba(148, 214, 232, 0.3);
}

.sound-control {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 20;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(10, 8, 20, 0.8);
  border: 1px solid var(--jm-blue);
  color: var(--jm-blue);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
}
.sound-control:hover {
  background: var(--jm-blue);
  color: var(--jm-purple-dark);
  transform: scale(1.1);
}

.btn-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: rgba(148, 214, 232, 0.12);
  border: 1px solid rgba(148, 214, 232, 0.34);
  border-radius: 50%;
  color: var(--jm-blue);
  cursor: pointer;
  transition: transform 0.2s ease;
}
.btn-close:hover { transform: rotate(90deg) scale(1.2); }

.btn-modal-join {
  margin-top: 18px;
  min-height: 58px;
  background: linear-gradient(180deg, #f574aa, var(--jm-pink));
  color: white;
  box-shadow: 0 12px 30px rgba(239, 111, 159, 0.36);
}

.btn-modal-join:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
  body {
    height: 100svh;
  }

  .stage {
    height: 100svh;
    padding: 0 16px max(20px, env(safe-area-inset-bottom));
    align-items: center;
  }

  .media-wall-container {
    inset: -72vmax;
    transform: rotate(-8deg) scale(1.04);
  }

  .media-wall {
    filter: blur(7px);
    transform: scale(1.08);
  }

  .brand-slot-primary {
    top: 18px;
    left: 50%;
    width: 142px;
    transform: translateX(-50%);
  }

  .brand-slot-primary:hover {
    transform: translateX(-50%) scale(1.04);
  }

  .brand-slot img {
    width: 100%;
  }

  .premium-card {
    width: min(100%, 350px);
    padding: 22px 18px 20px;
    border-radius: 16px;
    gap: 0;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.78);
  }

  .action-buttons {
    gap: 14px;
  }

  .button-stack-preview {
    padding-top: 126px;
  }

  .preview-art {
    bottom: 56px;
    width: 190px;
    max-height: 204px;
  }

  .age-art {
    top: -11px;
    right: -5px;
    width: 38px;
    height: 38px;
  }

  .btn {
    min-height: 56px;
    padding: 15px 18px;
    border-radius: 10px;
    font-size: 1rem;
    letter-spacing: 0;
  }

  .btn-secondary {
    padding-right: 42px;
  }

  .modal {
    padding: 12px;
  }

  .modal-content {
    width: min(100%, 430px);
    max-height: calc(100svh - 24px);
    padding: 18px;
    border-radius: 16px;
  }

  .modal-header {
    margin-bottom: 14px;
    padding: 0 32px;
  }

  .modal-kicker {
    font-size: 0.76rem;
    margin-bottom: 6px;
  }

  .modal-header h2 {
    font-size: 1.28rem;
    line-height: 1.08;
  }

  .modal-steps {
    gap: 8px;
    margin-bottom: 14px;
  }

  .modal-steps li {
    min-height: 42px;
    padding: 10px 10px 10px 42px;
    border-radius: 9px;
    font-size: 0.84rem;
  }

  .modal-steps li::before {
    left: 10px;
    width: 22px;
    height: 22px;
    font-size: 0.78rem;
  }

  .btn-close {
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
  }

  .sound-control {
    width: 36px;
    height: 36px;
    bottom: 10px;
    right: 10px;
  }

  .lock-icon {
    width: 58px;
    height: 58px;
  }

  .btn-modal-join {
    min-height: 52px;
    margin-top: 14px;
    font-size: 0.96rem;
  }
}

@media (max-width: 360px) {
  .stage {
    padding-inline: 12px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .premium-card {
    width: min(100%, 324px);
    padding: 18px 16px 18px;
  }

  .button-stack-preview {
    padding-top: 116px;
  }

  .preview-art {
    bottom: 52px;
    width: 176px;
    max-height: 188px;
  }

  .btn {
    min-height: 52px;
    font-size: 0.92rem;
  }

  .modal-content {
    padding: 16px;
  }

  .modal-header h2 {
    font-size: 1.16rem;
  }

  .modal-steps li {
    min-height: 40px;
    font-size: 0.78rem;
  }
}

@media (max-width: 380px) and (max-height: 640px) {
  .brand-slot-primary {
    top: 10px;
    width: 110px;
  }
}