body[data-layout="cefr-beta"] {
  --cefr-shell-gap: 14px;
  --cefr-shell-radius: 16px;
  --cefr-commandbar-min-height: 76px;
}

body[data-layout="cefr-beta"] .dev-sidebar {
  display: none;
}

body[data-layout="cefr-beta"] .dev-shell {
  grid-template-columns: 1fr;
  background:
    radial-gradient(1200px 450px at 8% -8%, color-mix(in srgb, var(--nls-color-primary) 10%, transparent), transparent 72%),
    radial-gradient(1000px 420px at 92% -10%, color-mix(in srgb, var(--nls-color-info, #60a5fa) 14%, transparent), transparent 76%),
    var(--nls-color-bg);
}

body[data-layout="cefr-beta"] [data-layout-region="layout-shell"] {
  grid-column: 1 / -1;
  position: sticky;
  top: 0;
  z-index: 35;
  width: 100%;
  padding: 12px 18px 0;
  box-sizing: border-box;
  backdrop-filter: blur(8px);
}

body[data-layout="cefr-beta"] .player-region {
  grid-column: 1 / -1;
  height: calc(100vh - var(--cefr-commandbar-min-height) - 24px);
  min-height: 0;
  padding: 0 18px 18px;
}

body[data-layout="cefr-beta"] #player-panel {
  border-radius: var(--cefr-shell-radius);
  border: 1px solid color-mix(in srgb, var(--nls-color-border) 92%, transparent);
  box-shadow: 0 20px 45px color-mix(in srgb, var(--nls-shadow-color, rgba(15, 23, 42, 0.18)) 65%, transparent);
  overflow: hidden;
}

body[data-layout="cefr-beta"] #player-status {
  padding: 0;
}

body[data-layout="cefr-beta"] .cefr-commandbar {
  min-height: var(--cefr-commandbar-min-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--nls-color-border) 90%, transparent);
  border-radius: var(--cefr-shell-radius);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--nls-color-surface) 92%, #ffffff), color-mix(in srgb, var(--nls-color-surface-alt) 82%, #ffffff));
  box-shadow: 0 8px 30px color-mix(in srgb, var(--nls-shadow-color, rgba(15, 23, 42, 0.14)) 50%, transparent);
}

body[data-layout="cefr-beta"] .cefr-commandbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

body[data-layout="cefr-beta"] .cefr-commandbar__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 30px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nls-color-primary-ink, #0f172a);
  background: color-mix(in srgb, var(--nls-color-primary) 22%, #ffffff);
}

body[data-layout="cefr-beta"] .cefr-commandbar__title {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--nls-color-text);
}

body[data-layout="cefr-beta"] .cefr-commandbar__menu {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

body[data-layout="cefr-beta"] .cefr-commandbar__button {
  min-height: 2.15rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--nls-color-border) 88%, transparent);
  background: color-mix(in srgb, var(--nls-color-surface-alt) 85%, #ffffff);
  color: var(--nls-color-text);
  padding: 0.45rem 0.9rem;
  transition: transform 0.14s ease, box-shadow 0.18s ease;
}

body[data-layout="cefr-beta"] .cefr-commandbar__button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px color-mix(in srgb, var(--nls-shadow-color, rgba(15, 23, 42, 0.16)) 44%, transparent);
}

body[data-layout="cefr-beta"] .cefr-commandbar__button.active {
  border-color: color-mix(in srgb, var(--nls-color-primary) 50%, var(--nls-color-border));
  background: color-mix(in srgb, var(--nls-color-primary) 14%, #ffffff);
  color: var(--nls-color-primary-ink, var(--nls-color-text));
}

body[data-layout="cefr-beta"] .cefr-commandbar__meta {
  justify-self: end;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--nls-color-text-soft);
  padding: 0.28rem 0.55rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--nls-color-surface-muted) 84%, #ffffff);
}

body[data-layout="cefr-beta"] .cefr-workspace-frame {
  position: relative;
}

body[data-layout="cefr-beta"] .cefr-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + var(--cefr-shell-gap));
  z-index: 40;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--nls-color-border) 90%, transparent);
  border-radius: var(--cefr-shell-radius);
  background: color-mix(in srgb, var(--nls-color-surface) 92%, #ffffff);
  box-shadow: 0 18px 36px color-mix(in srgb, var(--nls-shadow-color, rgba(15, 23, 42, 0.16)) 58%, transparent);
  max-height: min(72vh, 720px);
  overflow: auto;
}

body[data-layout="cefr-beta"] .cefr-dropdown .panel.side-panel {
  display: none;
  border: 0;
  background: transparent;
  box-shadow: none;
}

body[data-layout="cefr-beta"] .cefr-dropdown .panel.side-panel.active {
  display: block;
  padding: 0;
}

body[data-layout="cefr-beta"] .cefr-dropdown .panel-header {
  display: none;
}

body[data-layout="cefr-beta"] .cefr-dropdown .module-body {
  display: block !important;
  padding: 0;
}

body[data-layout="cefr-beta"] .legacy-player__nav {
  justify-content: flex-end;
  padding-right: 16px;
}

body[data-layout="cefr-beta"] #player-main {
  padding: 24px 20px 92px;
}

body[data-layout="cefr-beta"] #player-nav button {
  min-height: 2.2rem;
  border-radius: 10px;
  padding: 0.65rem 1.45rem;
}

@media (max-width: 1100px) {
  body[data-layout="cefr-beta"] .cefr-commandbar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  body[data-layout="cefr-beta"] .cefr-commandbar__brand,
  body[data-layout="cefr-beta"] .cefr-commandbar__meta {
    justify-self: start;
  }

  body[data-layout="cefr-beta"] .cefr-commandbar__menu {
    justify-content: flex-start;
  }

  body[data-layout="cefr-beta"] .player-region {
    height: auto;
    min-height: calc(100vh - 120px);
    padding: 0 12px 12px;
  }

  body[data-layout="cefr-beta"] [data-layout-region="layout-shell"] {
    padding: 10px 12px 0;
  }

  body[data-layout="cefr-beta"] .cefr-dropdown {
    max-height: min(74vh, 560px);
  }
}