/**
 * Dice Roller page — board, builder, history, guide.
 */

.dice-roller-page {
  background: var(--surface-0);
  color: var(--text-primary);
}

.dr-main {
  padding-bottom: var(--space-xl);
}

.dr-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.dr-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.dr-hero p {
  max-width: 42rem;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.dr-layout {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 960px) {
  .dr-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .dr-span-full {
    grid-column: 1 / -1;
  }
}

.dr-panel {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.dr-panel__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.dr-panel__hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.dr-quick-params {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1px solid var(--border-subtle);
}

@media (min-width: 560px) {
  .dr-quick-params {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* --- Board --- */
.dr-board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5rem, 1fr));
  gap: var(--space-sm);
}

.dr-die-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-height: 4.5rem;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  border: 2px solid color-mix(in srgb, var(--accent) 25%, var(--border-subtle));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 86%, #ffffff 14%), var(--surface-2));
  font-weight: 600;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 0 0 1px rgba(0, 0, 0, 0.04);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.dr-die-btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 70%, #ffffff 30%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 70%, #ffffff 30%), var(--surface-2));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.22) inset,
    0 8px 20px rgba(124, 58, 237, 0.2);
}

.dr-die-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.dr-die-btn:active {
  transform: translateY(0);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.16) inset,
    0 3px 8px rgba(124, 58, 237, 0.18);
}

.dr-die-btn--spin {
  animation: dr-spin-wobble 0.62s ease-in-out;
}

@keyframes dr-spin-wobble {
  0% {
    transform: rotate(0deg) scale(1);
  }
  40% {
    transform: rotate(180deg) scale(1.06);
  }
  70% {
    transform: rotate(330deg) scale(1.02);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

.dr-die-btn__faces {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.95;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 75%, var(--text-primary) 25%);
}

.dr-result-stack {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-md);
}

.dr-result-total {
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.75rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.18), rgba(15, 23, 42, 0.35));
  border: 1px solid rgba(167, 139, 250, 0.35);
  text-align: center;
}

.dr-result-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.dr-pool-line {
  font-family: ui-monospace, monospace;
  font-size: 0.8125rem;
  word-break: break-all;
  color: var(--text-muted);
  padding: var(--space-sm);
  background: var(--surface-0);
  border-radius: var(--radius-sm);
}

.dr-crit-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fbbf24;
}

.dr-crit-flag[hidden] {
  display: none !important;
}

/* --- Builder --- */
.dr-controls {
  display: grid;
  gap: var(--space-md);
}

.dr-field {
  display: grid;
  gap: 0.35rem;
}

.dr-field span,
.dr-field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.dr-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.dr-inline input[type="range"] {
  flex: 1;
  min-width: 8rem;
}

.dr-inline input[type="number"] {
  width: 4.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--surface-0);
}

.dr-inline select {
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--surface-0);
  min-width: 7rem;
}

.dr-keep-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.dr-keep-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.dr-code-box {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1px dashed var(--border-subtle);
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.dr-actions {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.btn-dr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border-subtle);
  background: var(--surface-2);
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.btn-dr:hover {
  border-color: var(--accent);
}

.btn-dr--primary {
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  color: #fff;
  border-color: transparent;
}

.btn-dr--primary:hover {
  filter: brightness(1.06);
}

.btn-dr--ghost {
  background: transparent;
}

/* --- History --- */
.dr-history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dr-history-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1px solid var(--border-subtle);
}

.dr-history-main {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.dr-history-formula {
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  color: var(--text-muted);
}

.dr-history-total {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* --- Bridge --- */
.dr-bridge-grid {
  display: grid;
  gap: var(--space-md);
}

.dr-bridge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.dr-bridge-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  font-size: 0.875rem;
}

/* --- Guide --- */
.dr-guide {
  margin-top: var(--space-xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.dr-guide h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
}

.dr-guide section {
  margin-bottom: var(--space-lg);
}

.dr-guide h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.dr-guide p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.dr-guide ul,
.dr-guide ol {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.dr-guide dd {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.dr-guide code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
  background: var(--surface-elevated, rgba(127, 127, 127, 0.12));
}

.dark-mode .dr-die-btn:hover {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.14) inset,
    0 8px 24px rgba(167, 139, 250, 0.3);
}