:root {
  --bp-terminal: #1a1a1a;
  --bp-terminal-fg: #e8e6e1;
  --bp-terminal-dim: #9a968c;
  --bp-terminal-accent: #7eb0d6;
  --bp-terminal-ok: #8fbc8f;
  --bp-terminal-warn: #d4a574;
  --bp-drop: #ffffff;
  --bp-drop-active: #eef4f9;
  --bp-radius: 12px;
}

.page-tool {
  overflow-x: clip;
}

.page-tool .container,
.page-tool .section,
.page-tool .tp-live-board,
.page-tool .bp-demo-shell,
.page-tool .bp-answer-grid,
.page-tool .bp-pqc-strip,
.page-tool .bp-side,
.page-tool .bp-terminal,
.page-tool .bp-qr-card,
.page-tool .bp-drop-card,
.page-tool .bp-tally-card,
.page-tool .bp-answer-card,
.page-tool .bp-pqc-card,
.page-tool .tp-result {
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.bp-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.bp-answer-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 720px) {
  .bp-answer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.bp-answer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  overflow-wrap: anywhere;
}

.bp-answer-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.bp-answer-card p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.9875rem;
}

.bp-pqc-strip {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .bp-pqc-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.bp-pqc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
  overflow-wrap: anywhere;
}

.bp-pqc-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.bp-pqc-card p,
.bp-pqc-card li {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

.bp-pqc-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.bp-pqc-card code {
  font-family: var(--tp-mono);
  font-size: 0.875em;
  overflow-wrap: anywhere;
}

.bp-demo-shell {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: minmax(0, 1fr);
  width: 100%;
}

@media (min-width: 980px) {
  .bp-demo-shell {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

.bp-terminal {
  background: var(--bp-terminal);
  color: var(--bp-terminal-fg);
  border-radius: 14px;
  border: 1px solid #2a2a2a;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  min-height: 0;
  max-height: none;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.bp-terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 12px 16px;
  border-bottom: 1px solid #2f2f2f;
  background: #141414;
  min-width: 0;
}

.bp-terminal-bar strong {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bp-terminal-accent);
  white-space: nowrap;
}

.bp-terminal-meta {
  font-family: var(--tp-mono);
  font-size: 0.75rem;
  color: var(--bp-terminal-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.bp-terminal-body {
  padding: 16px 18px 20px;
  font-family: var(--tp-mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-wrap: anywhere;
}

.bp-term-line {
  margin: 0 0 8px;
  color: var(--bp-terminal-dim);
  overflow-wrap: anywhere;
}

.bp-term-line span {
  color: var(--bp-terminal-fg);
}

.bp-term-line .ok {
  color: var(--bp-terminal-ok);
}

.bp-term-line .warn {
  color: var(--bp-terminal-warn);
}

.bp-term-line .accent {
  color: var(--bp-terminal-accent);
}

.bp-question {
  margin: 16px 0 12px;
  color: var(--bp-terminal-fg);
  font-weight: 500;
  white-space: normal;
  overflow-wrap: anywhere;
}

.bp-vote-grid {
  display: grid;
  gap: 10px;
  margin: 12px 0 16px;
  grid-template-columns: minmax(0, 1fr);
}

.bp-vote-box {
  appearance: none;
  width: 100%;
  max-width: 100%;
  text-align: left;
  background: #222;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  color: var(--bp-terminal-fg);
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.18s var(--tp-ease), background 0.18s var(--tp-ease), transform 0.18s var(--tp-ease);
  font-family: inherit;
  font-size: 0.8125rem;
  line-height: 1.5;
  min-height: 44px;
  box-sizing: border-box;
  overflow-wrap: anywhere;
}

.bp-vote-box:hover,
.bp-vote-box:focus-visible {
  border-color: var(--bp-terminal-accent);
  background: #262a2e;
  outline: none;
  transform: translateY(-1px);
}

.bp-vote-box.is-selected {
  border-color: var(--bp-terminal-accent);
  background: #1f2a33;
  box-shadow: inset 0 0 0 1px rgba(126, 176, 214, 0.35);
}

.bp-vote-box strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--bp-terminal-accent);
}

.bp-vote-box span {
  color: var(--bp-terminal-dim);
}

.bp-vote-box:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.bp-status {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed #333;
  color: var(--bp-terminal-warn);
  overflow-wrap: anywhere;
}

.bp-status.is-ready {
  color: var(--bp-terminal-ok);
}

.bp-status.is-cast {
  color: var(--bp-terminal-accent);
}

.bp-side {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: minmax(0, 1fr);
  width: 100%;
}

.bp-qr-card,
.bp-drop-card,
.bp-tally-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  width: 100%;
  overflow: hidden;
}

.bp-qr-card h3,
.bp-drop-card h3,
.bp-tally-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
  font-weight: 600;
}

.bp-qr-card p,
.bp-drop-card p,
.bp-tally-card p {
  margin: 0 0 var(--space-3);
  color: var(--color-text-secondary);
  line-height: 1.55;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.bp-qr-frame {
  width: min(180px, 100%);
  max-width: 180px;
  margin: 0 auto var(--space-3);
  aspect-ratio: 1;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 10px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  box-sizing: border-box;
}

.bp-qr-frame:active {
  cursor: grabbing;
}

.bp-qr-frame.is-dragging {
  opacity: 0.55;
}

.bp-qr-frame svg {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}

.bp-qr-frame[aria-disabled="true"] {
  cursor: default;
  opacity: 0.7;
}

.bp-qr-meta {
  font-family: var(--tp-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.bp-drop-zone {
  min-height: 120px;
  max-width: 100%;
  border: 1.5px dashed var(--color-accent);
  border-radius: 12px;
  background: var(--bp-drop);
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-3);
  transition: background 0.18s var(--tp-ease), border-color 0.18s var(--tp-ease), transform 0.18s var(--tp-ease);
  box-sizing: border-box;
}

.bp-drop-zone.is-over {
  background: var(--bp-drop-active);
  border-style: solid;
  transform: translateY(-1px);
}

.bp-drop-zone.is-locked {
  border-color: var(--color-border);
  background: #f3f2ef;
}

.bp-drop-zone strong {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.bp-drop-zone span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.bp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.bp-actions .btn {
  max-width: 100%;
}

.bp-tally-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.bp-tally-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 0.95rem;
  min-width: 0;
}

.bp-tally-list .bar {
  grid-column: 1 / -1;
  height: 8px;
  border-radius: 999px;
  background: #eceae5;
  overflow: hidden;
}

.bp-tally-list .bar > i {
  display: block;
  height: 100%;
  width: 0;
  max-width: 100%;
  background: var(--color-accent);
  border-radius: inherit;
  transition: width 0.35s var(--tp-ease);
}

.bp-result {
  margin-top: var(--space-3);
  max-width: 100%;
  overflow: hidden;
}

.page-tool .tp-metric-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 700px) {
  .page-tool .tp-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-tool .tp-metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-tool .tp-metric {
  min-width: 0;
  overflow: hidden;
}

.page-tool .tp-metric strong {
  font-size: 0.95rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-tool .tp-live-board {
  overflow: hidden;
}

.bp-cite-list {
  margin: var(--space-3) 0 0;
  padding-left: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.bp-cite-list li {
  margin-bottom: 8px;
}

.bp-cite-list a {
  color: var(--color-accent);
}

@media (max-width: 719px) {
  .bp-terminal-body {
    padding: 14px;
    font-size: 0.75rem;
  }

  .bp-qr-card,
  .bp-drop-card,
  .bp-tally-card,
  .bp-answer-card,
  .bp-pqc-card {
    padding: 20px;
  }

  .bp-qr-frame {
    width: min(160px, 70vw);
    max-width: 160px;
  }

  .bp-drop-zone {
    min-height: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bp-vote-box,
  .bp-drop-zone,
  .bp-tally-list .bar > i {
    transition: none;
  }
}