/* Alternate /solver entry mode. The played-row board remains the default. The
   slot reserves the switcher's exact height before deferred JavaScript reveals
   it, so the board does not move during hydration. */

/* Keep entered evidence and its ranked suggestions adjacent. Supporting
   explanations follow the workspace on wide screens, where a third rail
   previously pulled attention away from the next move. */
@media (min-width: 1200px) {
  body[data-mode="solver"] main.game-layout:not(.solver-known-active) {
    grid-template-columns: minmax(0, 42rem) minmax(280px, 320px) !important;
    max-width: 1120px;
    gap: var(--space-7);
  }

  body[data-mode="solver"] main.game-layout:not(.solver-known-active) > .game-column {
    grid-column: 1 !important;
    padding: var(--space-5) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--panel);
  }

  body[data-mode="solver"] main.game-layout:not(.solver-known-active) > .right-column {
    grid-column: 2 !important;
  }

  body[data-mode="solver"] main.game-layout:not(.solver-known-active) > .left-column {
    display: grid;
    grid-column: 1 / -1 !important;
    grid-row: 2;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  body[data-mode="solver"] .left-column .info-panel {
    box-shadow: none;
  }

  body[data-mode="solver"] .info-panel-performance {
    grid-column: 1 / -1;
  }
}

body[data-mode="solver"] .info-panel-performance:has(#performance-summary:empty) {
  display: none;
}

body[data-mode="solver"] .board .tile {
  border-radius: var(--radius-md);
}

.solver-input-mode-switch-slot {
  display: flex;
  width: 100%;
  min-height: 46px;
  justify-content: center;
  margin: 0 0 var(--space-3);
}

.solver-input-mode-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface-1);
}

.solver-input-mode-switch[hidden] {
  display: none;
}

.solver-input-mode-switch__label {
  padding: 0 var(--space-2);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
}

.solver-input-mode-btn {
  min-height: 36px;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--muted);
  font: 600 var(--text-sm) / 1 var(--font-sans);
  cursor: pointer;
}

.solver-input-mode-btn:hover {
  color: var(--fg);
}

.solver-input-mode-btn.is-active {
  border-color: var(--border);
  background: var(--panel);
  color: var(--fg);
  box-shadow: var(--shadow-1);
}

.solver-input-mode-btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.solver-constraints-panel {
  width: 100%;
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-1);
}

.solver-constraints-panel[hidden] {
  display: none;
}

.solver-constraints-panel__header {
  margin-bottom: var(--space-5);
}

.solver-constraints-panel__eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--accent-text);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
}

.solver-constraints-panel__header h2 {
  margin: 0 0 var(--space-2);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

.solver-constraints-panel__header p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.solver-constraint-fieldset {
  min-width: 0;
  margin: 0 0 var(--space-5);
  padding: 0;
  border: 0;
}

.solver-constraint-fieldset legend,
.solver-constraint-label {
  color: var(--fg);
  font-size: var(--text-sm);
  font-weight: 700;
}

.solver-constraint-hint {
  display: block;
  margin: var(--space-1) 0 var(--space-3);
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.solver-green-pattern {
  display: flex;
  gap: var(--space-2);
}

.solver-green-input {
  width: 52px;
  height: 52px;
  padding: 0;
  border: 2px solid var(--green);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--green) 11%, var(--panel));
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
}

.solver-green-input.has-letter {
  background: var(--green);
  color: var(--on-green);
}

.solver-green-input:focus,
.solver-constraint-field input:focus {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.solver-constraint-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.solver-constraint-field {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.solver-constraint-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.solver-constraint-dot {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.solver-constraint-dot--yellow {
  background: var(--yellow);
}

.solver-constraint-dot--gray {
  background: var(--gray);
}

.solver-constraint-field input {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--input-bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.solver-constraint-field input[aria-invalid="true"] {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 7%, var(--input-bg));
}

.solver-constraint-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.solver-constraint-actions .btn {
  min-height: 42px;
}

.solver-constraints-status {
  min-height: 1.5em;
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.solver-constraints-status.is-error {
  color: var(--danger);
}

.solver-constraints-results {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.solver-constraints-results:empty {
  display: none;
}

.solver-constraints-results[aria-busy="true"] {
  opacity: 0.58;
}

.solver-constraints-results h3 {
  margin: 0;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.solver-constraint-result-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--accent-soft);
}

.solver-constraint-result-count {
  margin: var(--space-1) 0 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.solver-constraint-best {
  flex: 0 0 auto;
  text-align: right;
}

.solver-constraint-best span {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
}

.solver-constraint-best a {
  color: var(--accent-text);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
}

.solver-constraint-best a:hover {
  text-decoration: underline;
}

.solver-constraint-ranked {
  margin-top: var(--space-5);
}

.solver-constraint-ranked-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.solver-constraint-result-row {
  display: grid;
  grid-template-columns: 2rem minmax(5.5rem, auto) auto minmax(8rem, 1fr);
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-1);
}

.solver-constraint-result-row.is-recommended {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.solver-constraint-rank {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
}

.solver-constraint-word {
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
}

.solver-constraint-word:hover {
  color: var(--accent-text);
  text-decoration: underline;
}

.solver-constraint-kind {
  justify-self: start;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.solver-constraint-kind--answer {
  border-color: color-mix(in srgb, var(--green) 45%, var(--border));
  color: var(--green);
}

.solver-constraint-result-detail {
  color: var(--muted);
  font-size: var(--text-xs);
  text-align: right;
}

.solver-constraint-candidates {
  margin-top: var(--space-5);
}

.solver-constraint-candidate-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.solver-constraint-candidate {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.solver-constraint-candidate:hover {
  border-color: var(--accent);
  color: var(--accent-text);
}

.solver-constraint-candidate-more,
.solver-constraint-empty {
  align-self: center;
  color: var(--muted);
  font-size: var(--text-sm);
}

main.game-layout.solver-known-active {
  grid-template-columns: minmax(0, 760px) !important;
  justify-content: center;
  max-width: 900px;
}

main.game-layout.solver-known-active > .left-column,
main.game-layout.solver-known-active > .right-column,
main.game-layout.solver-known-active .solver-rows-ui {
  display: none !important;
}

main.game-layout.solver-known-active > .game-column {
  grid-column: 1 !important;
  width: 100%;
  padding-inline: 0;
  justify-self: stretch;
}

body.solver-known-letters-mode #mobile-suggestions-bar,
body.solver-known-letters-mode #mobile-suggestions-key,
body.solver-known-letters-mode .solver-guide {
  display: none !important;
}

.toast.solver-row-toast-hidden {
  display: none !important;
}

@media (max-width: 900px) {
  main.game-layout.solver-known-active {
    display: flex !important;
    max-width: 800px;
    max-height: none;
    flex-direction: column;
    overflow: visible;
    padding-bottom: calc(var(--mobile-nav-height, 56px) + var(--ad-adhesion-h, 0px) + 24px);
  }

  main.game-layout.solver-known-active > .game-column {
    width: 100%;
    max-width: 760px;
    order: 1;
  }
}

@media (max-width: 600px) {
  .solver-input-mode-switch-slot {
    min-height: 54px;
  }

  .solver-input-mode-switch {
    width: 100%;
    justify-content: center;
  }

  .solver-input-mode-switch__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .solver-input-mode-btn {
    min-height: 44px;
    flex: 1 1 0;
  }

  .solver-constraints-panel {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .solver-green-pattern {
    justify-content: space-between;
    gap: 6px;
  }

  .solver-green-input {
    width: clamp(42px, 15vw, 52px);
    height: clamp(46px, 15vw, 52px);
  }

  .solver-constraint-fields {
    grid-template-columns: 1fr;
  }

  .solver-constraint-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.65fr);
  }

  .solver-constraint-result-summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .solver-constraint-best {
    text-align: left;
  }

  .solver-constraint-result-row {
    grid-template-columns: 1.5rem minmax(5.5rem, 1fr) auto;
  }

  .solver-constraint-result-detail {
    grid-column: 2 / -1;
    text-align: left;
  }
}