/* ─── Page-level tokens ─────────────────────────────────────────────────── */
.uuid-forge-page {
  --uuid-bg:          #070d0a;
  --uuid-surface:     rgba(255, 255, 255, 0.03);
  --uuid-surface-row: rgba(16, 185, 129, 0.07);
  --uuid-accent:      #059669;
  --uuid-accent-hi:   #34d399;
  --uuid-accent-glow: rgba(16, 185, 129, 0.28);
  --uuid-border:      rgba(52, 211, 153, 0.2);
  --uuid-border-hi:   rgba(52, 211, 153, 0.44);
  --uuid-ink:         #f0f4f8;
  --uuid-ink-muted:   #94a9bc;
  --uuid-ink-dim:     rgba(52, 211, 153, 0.72);
  --uuid-radius:      28px;
  --uuid-row-radius:  12px;
  background-color: var(--uuid-bg);
  overflow-x: clip;
}

/* ─── Frame width ───────────────────────────────────────────────────────── */
.uuid-forge-page .tool-frame {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
}

/* ─── Header block ──────────────────────────────────────────────────────── */
.uuid-forge-page .tool-header-block {
  max-width: none;
  margin-inline: 0;
  text-align: left;
  padding-top: 8px;
  padding-bottom: 12px;
}

.uuid-forge-page .page-title {
  max-width: none;
  margin-inline: 0;
  font-size: clamp(2.1rem, 2.6vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.uuid-forge-page .page-subtitle {
  max-width: 36rem;
  margin-inline: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.uuid-meta-line {
  margin: 6px 0 0;
  font-size: 0.82rem;
  color: var(--uuid-ink-dim);
  letter-spacing: 0.01em;
}

/* ─── Forge container ───────────────────────────────────────────────────── */
.uuid-forge {
  position: relative;
  padding: 18px;
  border: 1px solid var(--uuid-border);
  border-radius: var(--uuid-radius);
  background: var(--uuid-surface);
  backdrop-filter: blur(12px);
  box-shadow:
    0 0 0 1px rgba(52, 211, 153, 0.06) inset,
    0 28px 64px rgba(0, 8, 4, 0.52);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ─── Deckbar ───────────────────────────────────────────────────────────── */
.uuid-forge__deckbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(52, 211, 153, 0.1);
  flex-wrap: wrap;
}

.uuid-deckbar__eyebrow {
  margin: 0 0 3px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--uuid-accent-hi);
}

.uuid-deckbar__title {
  margin: 0;
  font-size: 0.96rem;
  color: rgba(209, 250, 229, 0.9);
}

.uuid-deckbar__chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.uuid-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border: 1px solid var(--uuid-border);
  border-radius: 999px;
  background: rgba(4, 10, 7, 0.7);
  color: var(--uuid-ink-muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.uuid-chip--accent {
  color: var(--uuid-accent-hi);
  border-color: rgba(52, 211, 153, 0.3);
}

.uuid-chip--trust {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.28);
}

/* ─── Controls ──────────────────────────────────────────────────────────── */
.uuid-forge__controls {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.uuid-controls-primary {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.uuid-controls-secondary {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─── Field group ───────────────────────────────────────────────────────── */
.uuid-field-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.uuid-field-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uuid-ink-dim);
}

/* ─── Count input ───────────────────────────────────────────────────────── */
.uuid-count-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.uuid-count-input {
  width: 74px;
  padding: 10px 13px;
  border: 1px solid var(--uuid-border);
  border-radius: 12px;
  background: rgba(4, 10, 7, 0.82);
  color: var(--uuid-ink);
  font: 700 1.04rem/1 "IBM Plex Mono", "Cascadia Code", "Fira Code", monospace;
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.uuid-count-input::-webkit-inner-spin-button,
.uuid-count-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  appearance: none;
}

.uuid-count-input:focus {
  outline: none;
  border-color: var(--uuid-accent-hi);
  box-shadow: 0 0 0 3px var(--uuid-accent-glow);
}

.uuid-count-input.is-error {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.22);
}

.uuid-count-step {
  appearance: none;
  width: 36px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--uuid-border);
  border-radius: 10px;
  background: rgba(4, 10, 7, 0.7);
  color: var(--uuid-ink-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 130ms ease, color 130ms ease, border-color 130ms ease;
}

.uuid-count-step:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(52, 211, 153, 0.44);
  color: var(--uuid-accent-hi);
}

.uuid-count-hint {
  margin: 0;
  font-size: 0.8rem;
  color: #f87171;
}

/* ─── Hyphen toggle ─────────────────────────────────────────────────────── */
.uuid-toggle-group {
  display: flex;
  gap: 4px;
}

.uuid-toggle {
  appearance: none;
  padding: 9px 16px;
  border: 1px solid var(--uuid-border);
  border-radius: 10px;
  background: rgba(4, 10, 7, 0.7);
  color: var(--uuid-ink-muted);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.uuid-toggle--active {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(52, 211, 153, 0.5);
  color: var(--uuid-accent-hi);
}

/* ─── Lang toggle ───────────────────────────────────────────────────────── */
.uuid-lang-toggle {
  display: flex;
  gap: 3px;
}

.uuid-lang-btn {
  appearance: none;
  padding: 7px 12px;
  border: 1px solid var(--uuid-border);
  border-radius: 8px;
  background: transparent;
  color: var(--uuid-ink-muted);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 130ms ease, color 130ms ease, border-color 130ms ease;
}

.uuid-lang-btn--active {
  background: rgba(16, 185, 129, 0.18);
  border-color: rgba(52, 211, 153, 0.44);
  color: var(--uuid-accent-hi);
}

/* ─── Action row ────────────────────────────────────────────────────────── */
.uuid-forge__action-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.uuid-generate-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 130px;
  padding: 13px 26px;
  background: linear-gradient(160deg, #059669, #047857);
  border: 1px solid rgba(52, 211, 153, 0.44);
  border-radius: 14px;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, box-shadow 160ms ease, transform 80ms ease;
}

.uuid-generate-btn:hover {
  background: linear-gradient(160deg, #10b981, #059669);
  box-shadow: 0 0 28px rgba(16, 185, 129, 0.4), 0 4px 16px rgba(0, 0, 0, 0.4);
}

.uuid-generate-btn:active {
  transform: translateY(1px);
}

.uuid-action-btn {
  font-size: 0.9rem;
  padding: 12px 18px;
  border-radius: 12px;
  border-color: var(--uuid-border);
}

.uuid-action-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* ─── Output area ───────────────────────────────────────────────────────── */
.uuid-forge__output {
  position: relative;
  min-height: 64px;
  max-height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
  border: 1px solid var(--uuid-border);
  border-radius: 18px;
  background: rgba(4, 10, 7, 0.72);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  scrollbar-width: thin;
  scrollbar-color: rgba(16, 185, 129, 0.3) transparent;
}

.uuid-forge__output::-webkit-scrollbar {
  width: 5px;
}

.uuid-forge__output::-webkit-scrollbar-track {
  background: transparent;
}

.uuid-forge__output::-webkit-scrollbar-thumb {
  background: rgba(16, 185, 129, 0.3);
  border-radius: 99px;
}

/* Entropy pulse overlay */
@keyframes entropy-pulse {
  0%   { transform: translateX(-110%); }
  100% { transform: translateX(110%); }
}

.uuid-forge__output.is-pulsing {
  overflow: hidden;
}

.uuid-forge__output.is-pulsing::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(52, 211, 153, 0.16) 40%,
    rgba(16, 185, 129, 0.10) 60%,
    transparent 100%
  );
  animation: entropy-pulse 220ms ease-in-out forwards;
  pointer-events: none;
  z-index: 1;
}

/* ─── Empty state ───────────────────────────────────────────────────────── */
.uuid-empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 16px;
}

.uuid-empty-state__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--uuid-ink-muted);
  text-align: center;
}

/* ─── UUID row (glass capsule) ──────────────────────────────────────────── */
.uuid-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: var(--uuid-row-radius);
  background: var(--uuid-surface-row);
  backdrop-filter: blur(4px);
  box-shadow:
    inset 0 1px 0 rgba(52, 211, 153, 0.1),
    0 1px 3px rgba(0, 0, 0, 0.28);
  animation: uuid-row-reveal 160ms ease both;
  opacity: 0;
  transform: translateY(4px);
}

@keyframes uuid-row-reveal {
  to { opacity: 1; transform: translateY(0); }
}

.uuid-row:hover {
  border-color: rgba(52, 211, 153, 0.38);
  background: rgba(16, 185, 129, 0.1);
}

.uuid-row__index {
  flex-shrink: 0;
  width: 26px;
  font-size: 0.7rem;
  color: rgba(52, 211, 153, 0.5);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.uuid-row__value {
  flex: 1;
  min-width: 0;
  font: 500 0.9rem/1.4 "IBM Plex Mono", "Cascadia Code", "Fira Code", monospace;
  color: #d1fae5;
  letter-spacing: 0.03em;
  overflow-x: auto;
  white-space: nowrap;
  -ms-overflow-style: none;
  scrollbar-width: none;
  cursor: text;
  user-select: all;
}

.uuid-row__value::-webkit-scrollbar {
  display: none;
}

.uuid-row__copy {
  flex-shrink: 0;
  appearance: none;
  padding: 5px 11px;
  border: 1px solid rgba(52, 211, 153, 0.24);
  border-radius: 8px;
  background: rgba(4, 10, 7, 0.6);
  color: var(--uuid-ink-muted);
  font: inherit;
  font-size: 0.76rem;
  cursor: pointer;
  transition: background 130ms ease, color 130ms ease, border-color 130ms ease;
  white-space: nowrap;
}

.uuid-row__copy:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(52, 211, 153, 0.44);
  color: var(--uuid-accent-hi);
}

.uuid-row__copy.is-copied {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.36);
  background: rgba(134, 239, 172, 0.08);
}

/* ─── Fun fact panel ────────────────────────────────────────────────────── */
.uuid-fun-fact {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid rgba(52, 211, 153, 0.14);
  border-radius: 14px;
  background: rgba(16, 185, 129, 0.05);
  animation: uuid-row-reveal 200ms ease both;
}

.uuid-fun-fact__glyph {
  flex-shrink: 0;
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--uuid-accent-hi);
  opacity: 0.72;
}

.uuid-fun-fact__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.55;
  color: rgba(209, 250, 229, 0.78);
}

/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .uuid-forge-page .tool-frame {
    padding-inline: 14px;
  }

  .uuid-forge-page .page-title {
    font-size: clamp(1.7rem, 6vw, 2.1rem);
    line-height: 1.04;
    max-width: 10ch;
    margin-inline: 0;
  }

  .uuid-forge-page .page-subtitle {
    max-width: none;
    font-size: 0.92rem;
  }

  .uuid-forge {
    padding: 14px;
    gap: 13px;
    border-radius: 20px;
  }

  .uuid-forge__deckbar {
    display: none;
  }

  .uuid-forge__controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .uuid-controls-secondary {
    width: 100%;
    justify-content: flex-end;
  }

  .uuid-forge__action-row {
    gap: 8px;
  }

  .uuid-generate-btn {
    flex: 1;
    justify-content: center;
    min-width: 0;
    padding: 12px 18px;
  }

  .uuid-action-btn {
    flex: 1;
    min-width: 0;
    text-align: center;
  }

  .uuid-forge__output {
    max-height: 280px;
  }

  .uuid-row__index {
    display: none;
  }

  .uuid-row__copy {
    font-size: 0.72rem;
    padding: 5px 9px;
  }
}

@media (max-width: 480px) {
  .uuid-forge__action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .uuid-generate-btn {
    grid-column: 1 / -1;
  }
}