#bd-logo-generator {
  --bdlg-bg: #111111;
  --bdlg-panel: #151515;
  --bdlg-panel-soft: #1c1c1c;
  --bdlg-blue: #78A0C8;
  --bdlg-text: #F2F0EA;
  --bdlg-muted: #B8B8B8;
  --bdlg-border: rgba(242, 240, 234, 0.18);
  --bdlg-border-strong: rgba(120, 160, 200, 0.48);
  color: var(--bdlg-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#bd-logo-generator * {
  box-sizing: border-box;
}

#bd-logo-generator .bdlg-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(120, 160, 200, 0.08), transparent 34%),
    var(--bdlg-bg);
  border: 1px solid var(--bdlg-border);
  border-radius: 8px;
}

#bd-logo-generator .bdlg-header {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 26px;
}

#bd-logo-generator .bdlg-kicker {
  margin: 0 0 6px;
  color: var(--bdlg-blue);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

#bd-logo-generator h2 {
  margin: 0;
  color: var(--bdlg-text);
  font-size: clamp(1.35rem, 2.2vw, 2.1rem);
  line-height: 1.05;
  letter-spacing: 0;
}

#bd-logo-generator h3 {
  margin: 0 0 14px;
  color: var(--bdlg-text);
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: 0;
}

#bd-logo-generator .bdlg-title-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

#bd-logo-generator button {
  min-height: 40px;
  padding: 0 14px;
  color: var(--bdlg-text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 650;
  background: rgba(242, 240, 234, 0.06);
  border: 1px solid var(--bdlg-border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

#bd-logo-generator button:hover,
#bd-logo-generator button:focus-visible {
  color: #ffffff;
  background: rgba(120, 160, 200, 0.15);
  border-color: var(--bdlg-border-strong);
  outline: none;
}

#bd-logo-generator .bdlg-info-button {
  flex: 0 0 auto;
  width: 28px;
  min-height: 28px;
  height: 28px;
  padding: 0;
  color: var(--bdlg-blue);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
  border-radius: 50%;
}

#bd-logo-generator .bdlg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

#bd-logo-generator .bdlg-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(300px, 390px);
  gap: 24px;
  align-items: stretch;
}

#bd-logo-generator .bdlg-preview-panel,
#bd-logo-generator .bdlg-controls {
  background: var(--bdlg-panel);
  border: 1px solid var(--bdlg-border);
  border-radius: 8px;
}

#bd-logo-generator .bdlg-preview-panel {
  display: grid;
  min-height: 520px;
  place-items: center;
  padding: clamp(18px, 4vw, 46px);
}

#bd-logo-generator .bdlg-preview-frame {
  width: min(100%, 560px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background:
    linear-gradient(rgba(242, 240, 234, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 240, 234, 0.045) 1px, transparent 1px),
    #0c0c0c;
  background-size: 32px 32px;
  border: 1px solid rgba(242, 240, 234, 0.12);
  border-radius: 8px;
}

#bd-logo-generator svg {
  display: block;
  width: 100%;
  height: 100%;
}

#bd-logo-generator .bdlg-preview-bg {
  fill: #111111;
}

#bd-logo-generator .bdlg-logo-path {
  filter: drop-shadow(0 22px 46px rgba(120, 160, 200, 0.18));
}

#bd-logo-generator .bdlg-controls {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
}

#bd-logo-generator .bdlg-presets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bdlg-border);
}

#bd-logo-generator .bdlg-preset {
  min-height: 36px;
  padding: 0 10px;
  color: var(--bdlg-muted);
  font-size: 0.78rem;
}

#bd-logo-generator .bdlg-preset.is-active {
  color: #0b0b0b;
  background: var(--bdlg-blue);
  border-color: var(--bdlg-blue);
}

#bd-logo-generator .bdlg-control {
  display: grid;
  gap: 8px;
  padding: 12px;
  background: var(--bdlg-panel-soft);
  border: 1px solid rgba(242, 240, 234, 0.1);
  border-radius: 8px;
}

#bd-logo-generator .bdlg-control-top {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  color: var(--bdlg-muted);
  font-size: 0.84rem;
  line-height: 1.2;
}

#bd-logo-generator output {
  min-width: 52px;
  color: var(--bdlg-text);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

#bd-logo-generator input[type="range"] {
  width: 100%;
  height: 18px;
  accent-color: var(--bdlg-blue);
  cursor: pointer;
}

#bd-logo-generator .bdlg-modal[hidden] {
  display: none;
}

#bd-logo-generator .bdlg-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: 18px;
}

#bd-logo-generator .bdlg-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
}

#bd-logo-generator .bdlg-modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  max-height: min(82vh, 720px);
  overflow: auto;
  padding: clamp(22px, 4vw, 34px);
  color: var(--bdlg-text);
  background: #151515;
  border: 1px solid var(--bdlg-border);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}

#bd-logo-generator .bdlg-modal-card p {
  margin: 0 0 14px;
  color: var(--bdlg-muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

#bd-logo-generator .bdlg-modal-card .bdlg-equation {
  padding: 14px;
  color: var(--bdlg-text);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  background: #0c0c0c;
  border: 1px solid rgba(242, 240, 234, 0.12);
  border-radius: 8px;
}

#bd-logo-generator .bdlg-modal-card .bdlg-citation {
  margin-bottom: 0;
  color: #d8d4ca;
  font-size: 0.86rem;
}

#bd-logo-generator .bdlg-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  min-height: 34px;
  padding: 0;
  font-size: 1.4rem;
  line-height: 1;
}

@media (max-width: 900px) {
  #bd-logo-generator .bdlg-header {
    align-items: start;
    flex-direction: column;
  }

  #bd-logo-generator .bdlg-actions {
    justify-content: flex-start;
  }

  #bd-logo-generator .bdlg-workspace {
    grid-template-columns: 1fr;
  }

  #bd-logo-generator .bdlg-preview-panel {
    min-height: auto;
  }
}

@media (max-width: 520px) {
  #bd-logo-generator .bdlg-shell {
    padding: 16px;
  }

  #bd-logo-generator .bdlg-presets {
    grid-template-columns: 1fr;
  }

  #bd-logo-generator .bdlg-actions {
    width: 100%;
  }

  #bd-logo-generator .bdlg-actions button {
    flex: 1 1 140px;
  }

  #bd-logo-generator .bdlg-title-row {
    align-items: flex-start;
  }
}