* {
  box-sizing: border-box;
  user-select: none;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: #1d1f23;
  color: #e6e6e6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #14161a;
  border-bottom: 1px solid #2a2d33;
}

header h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
}
.header-actions button {
  margin-left: 8px;
}
#toggle-settings {
  display: inline-block;
}
.settings-status {
  min-height: 1.2em;
  font-size: 0.85em;
  margin: 4px 0 0;
}

button {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover:not(:disabled) {
  background: #2563eb;
}
button:disabled {
  background: #4b5563;
  cursor: not-allowed;
  opacity: 0.6;
}
button.secondary {
  background: #4b5563;
}
button.secondary:hover:not(:disabled) {
  background: #374151;
}
button.danger {
  background: #b91c1c;
}

.hidden {
  display: none !important;
}

section,
main {
  padding: 16px 24px;
}

#settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
#settings-overlay.hidden {
  display: none !important;
}

#settings-panel,
#rules-panel {
  background: #25282e;
  border-radius: 8px;
  padding: 20px 24px;
  width: min(480px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
}

#rules-panel {
  position: fixed;
  top: 64px;
  right: 16px;
  width: min(520px, 92vw);
  z-index: 200;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}
#rules-panel.hidden {
  display: none !important;
}
#rules-panel {
  padding-top: 0;
}
#rules-panel .settings-header {
  cursor: move;
  user-select: none;
  position: sticky;
  top: 0;
  background: #25282e;
  z-index: 1;
  padding-top: 20px;
  margin: 0 -24px 16px;
  padding-left: 24px;
  padding-right: 24px;
  padding-bottom: 20px;
  border-bottom: inset;
}
.rules-body h3 {
  margin: 18px 0 6px;
  font-size: 1rem;
  color: #fbbf24;
}
.rules-body h4 {
  margin: 12px 0 4px;
  font-size: 0.9rem;
  color: #c0c4cc;
}
.rules-body p,
.rules-body li {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #d1d5db;
}
.rules-body ul,
.rules-body ol {
  margin: 4px 0 8px;
  padding-left: 22px;
}
.rules-body blockquote {
  margin: 10px 0;
  padding: 8px 12px;
  border-left: 3px solid #fbbf24;
  background: #14161a;
  font-size: 0.88rem;
  color: #d1d5db;
}
.rules-body strong {
  color: #e6e6e6;
}
.rules-body {
  /* user-select: none; */
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.settings-header h2 {
  margin: 0;
}

#settings-form .grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

#settings-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: #c0c4cc;
}

#settings-form label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

#settings-form input[type="number"],
#settings-form select {
  margin-top: 4px;
  background: #14161a;
  color: #e6e6e6;
  border: 1px solid #3a3d44;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 0.95rem;
}

.hint {
  color: #888;
  font-size: 0.8rem;
}

.combatants {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 16px;
}

.combatant {
  background: #25282e;
  padding: 14px;
  border-radius: 8px;
  border: 2px solid transparent;
}
.combatant.is-human {
  border-color: #3b82f6;
}
.combatant.is-ai {
  border-color: #ef4444;
}
.combatant.is-attacker {
  box-shadow: 0 0 0 2px #fbbf24 inset;
}

.combatant h2 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}
.role-badge {
  font-size: 0.8rem;
  color: #c0c4cc;
  margin-bottom: 8px;
}

.hd-bar {
  height: 22px;
  background: #14161a;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #2a2d33;
}
.hd-segments {
  display: flex;
  height: 100%;
}
.hd-segments .seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #00000099;
  font-weight: 700;
}
.seg.reserve {
  background: #22c55e;
}
.seg.exchange {
  background: #fbbf24;
}
.seg.used {
  background: #6b7280;
}
.seg.lost {
  background: #b91c1c;
  color: #fff;
}

.hd-numbers {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: 0.8rem;
  color: #c0c4cc;
}
.hd-numbers .num strong {
  color: #e6e6e6;
}

#status-line {
  background: #14161a;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
#status-line:empty {
  display: none;
}

#action-panel {
  background: #25282e;
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  min-height: 80px;
}
#action-panel h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}
#action-panel .row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 10px;
}
#action-panel input[type="number"] {
  background: #14161a;
  color: #e6e6e6;
  border: 1px solid #3a3d44;
  padding: 6px 8px;
  border-radius: 4px;
  width: 70px;
}

.commit-slider-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

#action-panel input[type="range"] {
  width: 160px;
  accent-color: #3b82f6;
  cursor: pointer;
}

#commit-n-val {
  min-width: 20px;
  font-weight: 700;
  font-size: 1rem;
  color: #e6e6e6;
  text-align: right;
}
.maneuver-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.maneuver-option {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 110px;
}

.maneuver-option .maneuver-btn {
  width: 100%;
}

.param-label {
  font-size: 0.8rem;
  color: #c0c4cc;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.param-label input[type="number"] {
  background: #14161a;
  color: #e6e6e6;
  border: 1px solid #3a3d44;
  padding: 4px 6px;
  border-radius: 4px;
  width: 100%;
}

#reveal-panel {
  background: #2a2d33;
  border: 1px solid #fbbf24;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 16px;
}
#reveal-panel h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: #fbbf24;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 700;
}
.narrative-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #d1d5db;
}
.narrative-body p {
  margin: 0 0 6px;
}
.narrative-body p:last-child {
  margin-bottom: 0;
}
.narrative-outcome {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #3a3d44;
  font-size: 0.9rem;
}
.mech-line {
  color: #9ca3af;
  font-size: 0.82rem;
  line-height: 1.6;
}
.formula-line {
  color: #6b7280;
  font-size: 0.78rem;
  font-style: italic;
}
.mech-damage {
  color: #d1d5db;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 6px;
}

#log-wrap {
  background: #14161a;
  padding: 8px 14px;
  border-radius: 6px;
  display: none;
}
#log-wrap summary {
  cursor: pointer;
  font-weight: 600;
  padding: 4px 0;
}
#log {
  max-height: 320px;
  overflow-y: auto;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.4;
}
.log-entry {
  padding: 4px 0;
  border-bottom: 1px solid #2a2d33;
}
.log-entry.turn-start {
  color: #fbbf24;
  font-weight: 700;
}
.log-entry.turn-end {
  color: #888;
}
.log-entry.game-start {
  color: #60a5fa;
  font-weight: 700;
}
.log-entry.game-over {
  color: #ef4444;
  font-weight: 700;
}

#game-over-banner {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #14161a;
  border: 2px solid #fbbf24;
  padding: 24px 32px;
  border-radius: 12px;
  text-align: center;
  font-size: 1.2rem;
  z-index: 100;
  box-shadow: 0 8px 32px #00000099;
}
#game-over-banner button {
  margin-top: 12px;
}