/* GAMMA Theme - RD-based black/white styling */
@import './rd.css';

:root {
  --primary: var(--fg);
  --primary-dim: rgba(0, 0, 0, 0.08);
  --secondary: var(--fg);
  --secondary-dim: rgba(0, 0, 0, 0.08);
  --success: var(--fg);
  --success-dim: rgba(0, 0, 0, 0.06);
  --warning: var(--fg);
  --warning-dim: rgba(0, 0, 0, 0.06);
  --danger: var(--fg);
  --danger-dim: rgba(0, 0, 0, 0.12);
  --text-primary: var(--fg);
  --text-secondary: rgba(0, 0, 0, 0.75);
  --text-muted: rgba(0, 0, 0, 0.55);
  --sidebar-width: 280px;
  --gamma-bg-glow: color-mix(in srgb, var(--fg) 8%, transparent);
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 14% 18%, color-mix(in srgb, var(--fg) 10%, transparent), transparent 36%),
    radial-gradient(circle at 86% 82%, color-mix(in srgb, var(--fg) 9%, transparent), transparent 44%),
    repeating-linear-gradient(
      90deg,
      color-mix(in srgb, var(--fg) 8%, transparent) 0,
      color-mix(in srgb, var(--fg) 8%, transparent) 1px,
      transparent 1px,
      transparent 20px
    ),
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, var(--fg) 8%, transparent) 0,
      color-mix(in srgb, var(--fg) 8%, transparent) 1px,
      transparent 1px,
      transparent 20px
    ),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cpath d='M0 0h120M0 20h120M0 40h120M0 60h120M0 80h120M0 100h120M0 120h120M0 0v120M20 0v120M40 0v120M60 0v120M80 0v120M100 0v120M120 0v120' fill='none' stroke='%23000' stroke-width='0.5' stroke-dasharray='1 7' opacity='0.12' /%3E%3C/svg%3E");
  background-size: auto, auto, 22px 22px, 22px 22px, 120px 120px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background: repeating-linear-gradient(
    145deg,
    transparent 0,
    transparent 36px,
    var(--gamma-bg-glow) 36px,
    var(--gamma-bg-glow) 37px
  );
  z-index: 0;
  animation: gamma-orbit 28s linear infinite alternate;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, transparent 24%, rgba(255, 255, 255, 0.9) 78%);
  z-index: 0;
}

@keyframes gamma-orbit {
  from {
    transform: translateX(-6px);
  }
  to {
    transform: translateX(6px);
  }
}

.gamma-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--space-md);
  position: relative;
  z-index: 1;
}

/* Game layout */
.gamma-game-panel {
  display: grid;
  grid-template-areas:
    'header header sidebar'
    'main main sidebar'
    'footer footer sidebar';
  grid-template-columns: 1fr auto var(--sidebar-width);
  grid-template-rows: auto 1fr auto;
  min-height: calc(100vh - (2 * var(--space-md)));
  position: relative;
  background: color-mix(in srgb, var(--bg) 94%, var(--fg) 6%);
}

.gamma-game-panel::before {
  display: none;
}

.gamma-game-panel > * {
  position: relative;
  z-index: 1;
}

.game-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: none;
}

.gamma-game-panel .context-section,
.gamma-game-panel .choices-section,
.gamma-game-panel .result-display,
.gamma-game-panel .probability-section {
  border: none;
}

.header-left,
.header-right,
.header-center {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

@property --prism-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: true;
}

@keyframes gamma-prism-spin {
  to {
    --prism-angle: 360deg;
  }
}

.game-title {
  --prism-angle: 0deg;
  margin: 0;
  font: 500 18px/1.3 var(--font-a);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--prism);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke: 1px #000;
  paint-order: stroke fill;
}

.round-pill,
.score-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-xs) var(--space-sm);
  border: var(--border-sm) solid var(--fg);
  font-family: var(--font-a);
}

.round-label,
.score-label,
.round-separator,
.max-rounds {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.round-num,
.score {
  font-family: var(--font-a);
  font-size: 13px;
  font-weight: 700;
}

.streak-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border: var(--border-md) dashed var(--fg);
}

.streak-count {
  font-family: var(--font-a);
  font-size: 12px;
  font-weight: 700;
}

.game-main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  overflow-y: auto;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin: 0;
  font: 700 11px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.keyboard-hint,
.prob-hint {
  font-size: 11px;
  opacity: var(--opacity-secondary);
}

.context-section,
.probability-section {
  padding: var(--space-md);
  border: var(--border-md) solid var(--fg);
}

.context-display {
  min-height: 56px;
}

.context-text {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: flex-end;
}

.attn-token-wrapper {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.attn-token {
  display: inline-block;
  padding: 2px 6px;
  border: var(--border-sm) solid rgba(0, 0, 0, 0.18);
  font-family: var(--font-a);
  font-size: calc(var(--attention-scale, 1) * 1em);
  background: var(--attention-color, transparent);
  color: var(--attention-contrast, var(--fg));
}

.attn-value {
  font-family: var(--font-a);
  font-size: 10px;
  color: var(--attention-color, var(--fg));
}

.attention-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 2px 6px;
  border: var(--border-sm) solid var(--fg);
  position: relative;
}

.attention-badge.real {
  border-style: solid;
}

.attention-badge.synthetic {
  border-style: dashed;
}

.attention-badge::after {
  content: attr(title);
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 260px;
  max-width: min(260px, 78vw);
  padding: var(--space-sm);
  border: var(--border-sm) solid var(--fg);
  background: var(--bg);
  font-size: 11px;
  line-height: 1.4;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 20;
}

.attention-badge:hover::after {
  opacity: 1;
  visibility: visible;
}

.choices-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.choice-item {
  list-style: none;
}

.choice-btn {
  display: flex;
  align-items: stretch;
  width: 100%;
  border: var(--border-md) solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  text-align: left;
}

.choice-btn,
.random-prompt-btn,
.preset-btn,
.settings-toggle,
.sidebar-toggle,
.start-game-btn,
.btn {
  transition: background-color 140ms ease, color 140ms ease;
}

.choice-btn:hover:not(:disabled),
.choice-btn.keyboard-selected,
.random-prompt-btn:hover,
.preset-btn:hover,
.settings-toggle:hover,
.sidebar-toggle:hover,
.start-game-btn:hover,
.btn:hover,
.btn:active {
  transform: translateY(0);
}

.choice-btn:hover:not(:disabled),
.choice-btn.keyboard-selected {
  background: var(--fg);
  color: var(--bg);
}

.choice-btn.correct {
  border-width: var(--border-lg);
  border-style: solid;
}

.choice-btn.incorrect {
  border-width: var(--border-lg);
  border-style: dashed;
}

.choice-btn:disabled {
  opacity: 1;
  cursor: default;
}

.choice-key {
  min-width: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  border-right: var(--border-sm) solid currentColor;
}

.choice-number {
  font: 700 16px/1 var(--font-a);
}

.choice-letter {
  font: 500 10px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.choice-content {
  flex: 1;
  display: flex;
  align-items: center;
  padding: var(--space-sm);
  min-height: 54px;
}

.choice-text {
  font-family: var(--font-b);
  font-size: 14px;
  word-break: break-word;
}

.choice-prob-bar {
  position: relative;
  width: 90px;
  align-self: stretch;
  border-left: var(--border-sm) solid currentColor;
}

.prob-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: currentColor;
  opacity: 0.2;
  width: var(--prob-width, 0);
}

.prob-value {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font: 500 11px/1 var(--font-a);
}

.result-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  border: var(--border-md) solid var(--fg);
}

.result-display.correct {
  border-width: var(--border-lg);
  border-style: solid;
}

.result-display.incorrect {
  border-width: var(--border-lg);
  border-style: dashed;
}

.result-icon {
  font: 700 30px/1 var(--font-a);
}

.result-text {
  font: 500 16px/1.3 var(--font-a);
}

.result-explanation {
  font-size: 13px;
  opacity: var(--opacity-secondary);
}

.result-explanation strong {
  font-family: var(--font-a);
  opacity: 1;
}

.probability-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.prob-bar-row {
  list-style: none;
}

.prob-bar-row {
  display: grid;
  grid-template-columns: 30px 1fr minmax(80px, 1.6fr) 52px;
  align-items: center;
  gap: var(--space-sm);
}

.prob-rank,
.prob-percent {
  font: 500 10px/1.2 var(--font-a);
  opacity: var(--opacity-secondary);
}

.prob-token {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 400 13px/1.3 var(--font-b);
}

.prob-bar {
  position: relative;
  height: 8px;
  border: var(--border-sm) solid var(--fg);
}

.prob-bar-fill {
  height: 100%;
  background: var(--fg);
  opacity: 0.5;
  width: var(--bar-width, 0);
}

.prob-bar-row.was-choice {
  border: var(--border-sm) dotted var(--fg);
  padding: 2px var(--space-xs);
}

.game-sidebar {
  grid-area: sidebar;
  border-left: var(--border-sm) dotted var(--fg);
  display: flex;
  flex-direction: column;
  min-width: 180px;
  width: var(--sidebar-width);
}

.game-sidebar.collapsed {
  width: 44px;
  min-width: 44px;
}

.game-sidebar.collapsed .attention-heatmap-container,
.game-sidebar.collapsed .heatmap-legend,
.game-sidebar.collapsed .sidebar-header h3 {
  display: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border-bottom: var(--border-sm) dotted var(--fg);
}

.sidebar-header h3 {
  margin: 0;
  font: 700 11px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-toggle {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--border-sm) solid var(--fg);
  background: var(--bg);
  color: var(--fg);
}

.sidebar-toggle:hover {
  background: var(--fg);
  color: var(--bg);
}

.game-sidebar.collapsed .sidebar-toggle {
  transform: rotate(180deg);
}

.attention-heatmap-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
}

.heatmap-empty {
  font-size: 11px;
  opacity: var(--opacity-secondary);
  text-align: center;
  padding: var(--space-md) 0;
}

.heatmap-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.heatmap-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

.heatmap-round-label {
  width: 24px;
  font: 500 10px/1 var(--font-a);
  opacity: var(--opacity-secondary);
}

.heatmap-cell {
  width: 12px;
  height: 12px;
  border: var(--border-sm) solid rgba(0, 0, 0, 0.2);
  background: var(--heatmap-color, var(--bg));
}

.heatmap-synthetic-indicator {
  margin-left: 3px;
  font: 700 10px/1 var(--font-a);
}

.heatmap-scroll-hint {
  margin-top: var(--space-xs);
  text-align: center;
  font: 500 10px/1.2 var(--font-a);
  opacity: var(--opacity-secondary);
}

.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-top: var(--border-sm) solid var(--fg);
}

.legend-low,
.legend-high {
  font: 500 10px/1 var(--font-a);
  opacity: var(--opacity-secondary);
}

.legend-gradient {
  width: 84px;
  height: 8px;
  border: var(--border-sm) solid var(--fg);
  background: linear-gradient(
    to right,
    rgb(68, 1, 84),
    rgb(59, 82, 139),
    rgb(33, 144, 140),
    rgb(93, 201, 99),
    rgb(253, 231, 37)
  );
}

.game-footer {
  grid-area: footer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-top: none;
}

.footer-hint {
  font-size: 11px;
  opacity: var(--opacity-secondary);
}

.footer-hint kbd {
  border: var(--border-sm) solid var(--fg);
  padding: 1px 4px;
  font: 500 11px/1 var(--font-a);
}

/* Loading */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--space-lg);
  border: var(--border-md) solid var(--fg);
}

.loading-content {
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: center;
}

.loading-stage {
  font: 500 13px/1.3 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.loading-progress-bar {
  font: 500 12px/1.3 var(--font-a);
  letter-spacing: 0.08em;
}

.loading-percent {
  font: 700 24px/1 var(--font-a);
}

.loading-size {
  font-size: 12px;
  opacity: var(--opacity-secondary);
}

.loading-steps {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.loading-steps span {
  font: 500 10px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  border: var(--border-sm) dotted var(--fg);
}

.loading-steps span.pending {
  opacity: var(--opacity-muted);
}

.loading-steps span.active {
  border-style: solid;
  background: var(--fg);
  color: var(--bg);
}

.loading-steps span.done {
  border-style: solid;
  border-width: var(--border-md);
}

/* Model selector */
.model-selector {
  max-width: 980px;
  margin: 0 auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.start-section {
  display: block;
  width: 100%;
  padding: 0;
}

.start-section.top {
  border: none;
  padding: 0;
}


.start-game-btn {
  --prism-angle: 0deg;
  position: relative;
  z-index: 0;
  border: var(--border-md) solid transparent;
  width: 100%;
  min-width: 0;
  display: block;
  padding: var(--space-md);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--fg);
}

.start-game-btn::before {
  content: '';
  position: absolute;
  inset: calc(-1 * var(--border-lg));
  background: var(--prism);
  z-index: -2;
}

.start-game-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  z-index: -1;
}

.start-game-btn:hover {
  animation: gamma-prism-spin 1.8s linear infinite;
  color: var(--bg);
}

.start-game-btn:hover::after {
  background: var(--fg);
}

.start-game-btn:active {
  animation: gamma-prism-spin 0.8s linear infinite;
  color: var(--bg);
}

.start-game-btn:active::after {
  background: var(--fg);
}

.prompt-section,
.settings-panel,
.model-section {
  border: var(--border-md) solid var(--fg);
  padding: var(--space-md);
}

.section-title,
.settings-section-title {
  margin: 0 0 var(--space-sm);
  font: 700 11px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.prompt-controls {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
  flex-wrap: wrap;
}

.prompt-input {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  color: var(--fg);
}

.setting-control input[type='text'] {
  background: transparent;
  color: var(--fg);
}

.random-prompt-btn {
  border: var(--border-md) dotted var(--fg);
  padding: var(--space-sm) var(--space-md);
  text-transform: uppercase;
  font: 500 11px/1.2 var(--font-a);
  letter-spacing: 0.08em;
}

.random-prompt-btn:hover {
  border-style: solid;
}

.prompt-select {
  min-width: 170px;
  background: var(--bg);
}

#setting-num-choices {
  background: var(--bg);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-sm);
}

.model-card {
  border: var(--border-md) solid var(--fg);
  padding: var(--space-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.model-card:hover {
  background: var(--fg);
  color: var(--bg);
}

.model-card.selected {
  border-width: var(--border-lg);
}

.model-card.recommended {
  border-style: dashed;
}

.model-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
}

.model-name {
  font: 600 14px/1.3 var(--font-a);
}

.model-specs {
  font-size: 12px;
  opacity: var(--opacity-secondary);
}

.provider-badge {
  font: 600 10px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1px 5px;
  --chip-bg: #000;
  --chip-fg: #fff;
}

.model-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.cap-badge {
  font: 500 10px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 4px;
  --chip-bg: var(--bg);
  --chip-fg: #000;
}

.model-badge {
  font-family: var(--font-a);
  font-size: 11px;
  padding: 2px 6px;
  border: none;
  --chip-bg: var(--bg);
  --chip-fg: #000;
}

.download-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-sm);
}

.progress-bar {
  height: 8px;
  border: var(--border-sm) solid var(--fg);
  background: linear-gradient(to right, var(--fg) var(--progress, 0%), var(--bg) var(--progress, 0%));
}

.progress-text {
  font: 500 11px/1.2 var(--font-a);
}

/* Settings panel */
.settings-panel {
  padding: 0;
}

.settings-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-bottom: var(--border-sm) solid var(--fg);
  background: transparent;
  color: var(--fg);
  font: 600 12px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.settings-toggle:hover {
  background: transparent;
  color: var(--fg);
}

.settings-label {
  flex: 1;
  text-align: left;
}

.settings-icon,
.settings-chevron {
  font-size: 11px;
}

.settings-content {
  padding: var(--space-md);
  background: var(--bg);
}

.settings-section {
  padding: var(--space-sm) 0;
}

.settings-section.quick-settings {
  border: var(--border-sm) solid var(--fg);
  padding: var(--space-sm);
}

.settings-section:not(:last-child):not(.quick-settings) {
  border-bottom: var(--border-sm) solid var(--fg);
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.setting-row label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.setting-name {
  font: 500 13px/1.3 var(--font-a);
}

.setting-hint {
  font-size: 11px;
  opacity: var(--opacity-secondary);
}

.setting-control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.setting-control input[type='range'] {
  width: 120px;
  accent-color: var(--fg);
}

.setting-value {
  font: 600 11px/1.2 var(--font-a);
  min-width: 38px;
  text-align: right;
}

.setting-control select {
  min-width: 140px;
}

.checkbox-row {
  align-items: flex-start;
}

.checkbox-row input[type='checkbox'] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--fg);
}

.advanced-settings,
.display-settings {
  margin-top: var(--space-sm);
}

.advanced-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  list-style: none;
  cursor: pointer;
  padding: var(--space-sm);
  border: var(--border-sm) solid var(--fg);
  font: 600 11px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--bg);
}

.advanced-toggle::-webkit-details-marker {
  display: none;
}

.advanced-toggle::before {
  content: '▶';
  font-size: 10px;
}

details[open] .advanced-toggle::before {
  content: '▼';
}

.advanced-content {
  padding: var(--space-sm);
  border: var(--border-sm) solid var(--fg);
  border-top: none;
  background: var(--bg);
}

.advanced-hint {
  font-size: 10px;
  opacity: var(--opacity-secondary);
}

.sampling-presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
  border-top: var(--border-sm) dotted var(--fg);
}

.presets-label {
  font-size: 11px;
  opacity: var(--opacity-secondary);
}

.preset-btn {
  padding: 2px 8px;
  border: var(--border-sm) dotted var(--fg);
  background: var(--bg);
  color: var(--fg);
  font: 500 10px/1.2 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.preset-btn:hover {
  border-style: solid;
  background: var(--fg);
  color: var(--bg);
}

.settings-actions {
  margin-top: var(--space-md);
  display: flex;
  justify-content: center;
}

.btn-secondary {
  border-style: dashed;
}

.btn-secondary:hover {
  border-style: solid;
}

/* Toast notifications */
.achievement-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  min-width: 220px;
  max-width: 320px;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-md) solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  transition: opacity 0.3s ease;
}

.achievement-toast.success {
  border-style: solid;
}

.achievement-toast.warning {
  border-style: dashed;
}

.achievement-toast.error {
  border-style: double;
  border-width: var(--border-lg);
}

.achievement-icon {
  font-size: 14px;
  line-height: 1.2;
}

.achievement-name {
  font: 600 11px/1.3 var(--font-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.achievement-desc {
  font-size: 12px;
  opacity: var(--opacity-secondary);
}

/* State mode */
body.high-contrast {
  --border-sm: 1px;
  --border-md: 2px;
  --border-lg: 3px;
}

/* Responsive */
.gamma-game-panel .attention-heatmap-container,
.gamma-game-panel .heatmap-legend,
.gamma-game-panel .sidebar-header {
  border: none;
}

.choice-btn:hover:not(:disabled),
.choice-btn.keyboard-selected,
.settings-toggle:hover,
.start-game-btn:hover,
.random-prompt-btn:hover,
.preset-btn:hover {
  border-style: solid;
}

.mode-label {
  border: var(--border-sm) dotted var(--fg);
  padding: 4px 2px;
}

.loading-screen {
  border: var(--border-lg) dotted var(--fg);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fg) 18%, transparent);
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--bg) 95%, transparent) 40%,
      color-mix(in srgb, var(--fg) 5%, transparent) 40%,
      color-mix(in srgb, var(--fg) 8%, transparent) 58%,
      color-mix(in srgb, var(--bg) 95%, transparent) 58%
    )
    0 0 / 4px 2px;
}

@media (max-width: 1200px) {
  .gamma-game-panel {
    grid-template-areas:
      'header header'
      'main sidebar'
      'footer footer';
    grid-template-columns: 1fr 220px;
  }

  :root {
    --sidebar-width: 220px;
  }
}

@media (max-width: 940px) {
  .gamma-game-panel {
    grid-template-areas:
      'header'
      'main'
      'footer';
    grid-template-columns: 1fr;
  }

  .game-sidebar {
    display: none;
  }

  .choices-grid {
    grid-template-columns: 1fr;
  }

  .game-header {
    flex-wrap: wrap;
  }

  .header-center {
    width: 100%;
    justify-content: center;
    order: 3;
  }
}

@media (max-width: 680px) {
  .gamma-container {
    padding: var(--space-sm);
  }

  .game-main,
  .model-selector {
    padding: var(--space-sm);
  }

  .prompt-controls {
    flex-direction: column;
  }

  .prompt-input,
  .prompt-select,
  .random-prompt-btn {
    width: 100%;
  }

  .prob-bar-row {
    grid-template-columns: 24px 1fr;
    row-gap: 2px;
  }

  .prob-bar,
  .prob-percent {
    grid-column: 2;
  }
}