/* ------------------------------------------------------------------ */
/* Header                                                              */
/* ------------------------------------------------------------------ */

body {
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: 100%;
  max-width: 1440px;
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 18px 40px 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--radius-sm);
}

.brand__mark {
  width: 30px;
  height: 30px;
  color: var(--gold);
  filter: drop-shadow(0 0 16px rgba(216, 185, 121, 0.25));
}

.brand__text strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.brand__text small {
  display: block;
  margin-top: 2px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

/* ------------------------------------------------------------------ */
/* Shared controls                                                     */
/* ------------------------------------------------------------------ */

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  transition:
    color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease),
    transform var(--dur-base) var(--ease);
}

.icon-button svg {
  width: 17px;
  height: 17px;
}

.icon-button:hover {
  border-color: rgba(216, 185, 121, 0.5);
  background: var(--gold-soft);
  color: var(--text);
}

.icon-button:active {
  transform: scale(0.96);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.button svg {
  width: 15px;
  height: 15px;
}

.button:hover {
  border-color: rgba(216, 185, 121, 0.48);
  background: var(--gold-soft);
  color: var(--gold-bright);
}

.button:active {
  transform: translateY(1px);
}

.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.button--compact {
  min-height: 32px;
  padding: 6px 9px;
  font-size: 11px;
}

.button--small {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 10.5px;
}

.button--primary {
  border-color: transparent;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #14201b;
  box-shadow: 0 8px 24px rgba(216, 185, 121, 0.16);
}

.button--primary:hover {
  background: linear-gradient(180deg, #f7e1b4, var(--gold-bright));
  color: #101a16;
}

.button:disabled,
.button[disabled] {
  transform: none;
  opacity: 0.42;
  cursor: not-allowed;
}

.button:disabled:hover,
.button[disabled]:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
}

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-bottom-color: var(--line-strong);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.2;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
}

.eyebrow {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------ */
/* Layout and hero                                                     */
/* ------------------------------------------------------------------ */

.layout {
  display: grid;
  flex: 1 0 auto;
  grid-template-columns: minmax(300px, 350px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 14px 40px 40px;
}

.hero {
  padding-top: clamp(20px, 5vh, 56px);
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__eyebrow span {
  width: 28px;
  height: 1px;
  background: var(--gold);
  opacity: 0.65;
}

.hero__title {
  margin: 26px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(54px, 5.7vw, 82px);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.82;
  text-wrap: balance;
  color: var(--text);
}

.hero__dot {
  color: var(--gold);
  font-style: normal;
}

.hero__lede {
  max-width: 22ch;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.55;
  text-wrap: balance;
}

.hero__copy {
  max-width: 30ch;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.9;
}

.best-card {
  margin-top: 34px;
  padding: 15px 17px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008)),
    rgba(9, 16, 14, 0.46);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.best-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.best-card__head span:last-child {
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.best-list {
  margin-top: 10px;
}

.best-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
}

.best-list__name {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11.5px;
}

.best-list__name small {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
}

.best-list strong {
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.dot--beginner { background: var(--mint); box-shadow: 0 0 8px rgba(143, 227, 192, 0.45); }
.dot--intermediate { background: var(--gold); box-shadow: 0 0 8px rgba(216, 185, 121, 0.45); }
.dot--expert { background: var(--danger); box-shadow: 0 0 8px rgba(255, 123, 110, 0.45); }

.key-guide {
  margin-top: 28px;
  padding-top: 15px;
  border-top: 1px solid var(--line-soft);
}

.key-guide__title {
  display: block;
  margin-bottom: 8px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.key-guide__row {
  display: grid;
  grid-template-columns: 22px 1fr 22px 1fr;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  color: var(--text-dim);
  font-size: 10.5px;
}

.key-guide__row kbd {
  min-width: 19px;
  padding: 2px 4px;
}

/* ------------------------------------------------------------------ */
/* Console                                                             */
/* ------------------------------------------------------------------ */

.console {
  position: relative;
  align-self: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(160deg, rgba(29, 43, 37, 0.72), rgba(8, 15, 13, 0.9) 62%),
    rgba(10, 17, 15, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.075),
    inset 0 0 0 1px rgba(255, 255, 255, 0.015),
    var(--shadow-panel);
  backdrop-filter: blur(26px) saturate(1.15);
}

.console__top {
  padding: 2px 2px 12px;
}

.segmented {
  display: flex;
  gap: 3px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid rgba(233, 226, 208, 0.09);
  border-radius: var(--radius-md);
  background: rgba(2, 7, 6, 0.48);
  box-shadow: inset 0 1px 8px rgba(0, 0, 0, 0.26);
  scrollbar-width: none;
}

.segmented::-webkit-scrollbar {
  display: none;
}

.segmented__item {
  display: flex;
  flex: 1 0 84px;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  min-height: 45px;
  padding: 7px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  text-align: left;
  transition:
    color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
}

.segmented__item span {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.segmented__item small {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.segmented__item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.segmented__item.is-active,
.segmented__item[aria-pressed='true'] {
  background: linear-gradient(180deg, #f4f0e5, #dcd1b9);
  color: #14201b;
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.28);
}

.segmented__item.is-active small,
.segmented__item[aria-pressed='true'] small {
  color: rgba(20, 32, 27, 0.56);
}

.segmented__item--custom {
  border-left: 1px solid var(--line-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.hud {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(4, 10, 8, 0.52), rgba(8, 15, 13, 0.22));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.counter {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.counter--right {
  align-items: flex-end;
  text-align: right;
}

.counter__label {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.counter__label em {
  color: rgba(150, 162, 155, 0.5);
  font-family: var(--font-mono);
  font-size: 7.5px;
  font-style: normal;
  letter-spacing: 0.12em;
}

.counter__value {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(26px, 2.5vw, 34px);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 26px rgba(242, 238, 227, 0.16);
}

.face-button {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.1), transparent 44%),
    linear-gradient(155deg, #24322d, #0d1613);
  color: var(--gold-bright);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.11),
    0 8px 20px rgba(0, 0, 0, 0.32);
  transition:
    transform var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
}

.face-button__icon {
  width: 28px;
  height: 28px;
}

.face-button:hover {
  border-color: rgba(216, 185, 121, 0.62);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 0 26px rgba(216, 185, 121, 0.14),
    0 8px 20px rgba(0, 0, 0, 0.32);
  transform: translateY(-1px);
}

.face-button:active {
  transform: scale(0.96);
}

.status-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  padding: 10px 13px;
  border: 1px solid rgba(143, 227, 192, 0.24);
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, rgba(143, 227, 192, 0.11), rgba(143, 227, 192, 0.025)),
    rgba(8, 16, 13, 0.7);
  animation: banner-in var(--dur-slow) var(--ease);
}

.status-banner[data-state='lost'] {
  border-color: rgba(255, 123, 110, 0.28);
  background:
    linear-gradient(90deg, rgba(255, 123, 110, 0.12), rgba(255, 123, 110, 0.02)),
    rgba(16, 10, 9, 0.7);
}

.status-banner__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px rgba(143, 227, 192, 0.65);
}

.status-banner[data-state='lost'] .status-banner__dot {
  background: var(--danger);
  box-shadow: 0 0 12px rgba(255, 123, 110, 0.65);
}

.status-banner__text {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 1px;
}

.status-banner__text strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.15em;
}

.status-banner__text span {
  overflow: hidden;
  color: var(--text-muted);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-badge {
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid rgba(216, 185, 121, 0.34);
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  animation: record-pulse 1.6s var(--ease) 2;
}

.board-well {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 380px;
  padding: 12px;
  border: 1px solid rgba(233, 226, 208, 0.1);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 50% -10%, rgba(74, 105, 90, 0.16), transparent 56%),
    #050b09;
  box-shadow:
    inset 0 2px 22px rgba(0, 0, 0, 0.62),
    inset 0 -1px 0 rgba(255, 255, 255, 0.035),
    0 1px 0 rgba(255, 255, 255, 0.04);
}

.board-well__mark {
  position: absolute;
  width: 11px;
  height: 11px;
  pointer-events: none;
  opacity: 0.55;
}

.board-well__mark--tl {
  top: 7px;
  left: 7px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.board-well__mark--br {
  right: 7px;
  bottom: 7px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.board-viewport {
  display: grid;
  place-items: center;
  width: 100%;
  max-height: min(60vh, 660px);
  overflow: hidden;
}

.board-viewport[data-scrollable='true'] {
  place-items: start;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-color: rgba(216, 185, 121, 0.28) transparent;
  scrollbar-width: thin;
}

.board {
  width: 100%;
  min-height: 350px;
}

.board:empty {
  display: grid;
  place-items: center;
  border: 1px dashed rgba(233, 226, 208, 0.13);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 28px 28px;
}

.board:empty::after {
  content: 'FIELD 001 / READY';
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
}

.console__bottom {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 5px 1px;
}

.flag-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 2px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 10.5px;
  white-space: nowrap;
  transition: color var(--dur-base) var(--ease);
}

.flag-toggle:hover {
  color: var(--text);
}

.flag-toggle__track {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.38);
  transition:
    background var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease);
}

.flag-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-dim);
  transition:
    transform var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease);
}

.flag-toggle[aria-pressed='true'] {
  color: var(--gold-bright);
}

.flag-toggle[aria-pressed='true'] .flag-toggle__track {
  border-color: rgba(216, 185, 121, 0.48);
  background: var(--gold-soft);
}

.flag-toggle[aria-pressed='true'] .flag-toggle__thumb {
  background: var(--gold-bright);
  transform: translateX(16px);
}

.console__hint {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow: hidden;
  color: var(--text-dim);
  font-size: 9.5px;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hint-dot {
  width: 4px;
  height: 4px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
}

.hint--mobile {
  display: none;
}

#new-game {
  flex: 0 0 auto;
}

#play-again {
  margin-left: auto;
}

#new-game kbd {
  margin-left: 2px;
}

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  margin-top: auto;
  padding: 16px 40px 26px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.site-footer span {
  color: rgba(150, 162, 155, 0.45);
}

body.has-open-dialog {
  overflow: hidden;
}

.noscript {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 50;
  padding: 14px 18px;
  border: 1px solid rgba(255, 123, 110, 0.35);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--text);
  font-size: 12px;
  text-align: center;
}

/* ------------------------------------------------------------------ */
/* Dialogs                                                             */
/* ------------------------------------------------------------------ */

.modal {
  width: min(560px, calc(100vw - 28px));
  max-width: none;
  max-height: calc(100vh - 28px);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  overflow: visible;
}

.modal::backdrop {
  background: rgba(2, 7, 6, 0.74);
  backdrop-filter: blur(12px);
}

.modal__panel {
  position: relative;
  max-height: calc(100vh - 28px);
  padding: 26px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(158deg, rgba(26, 39, 34, 0.98), rgba(8, 15, 13, 0.985) 66%),
    var(--bg-elevated);
  box-shadow: var(--shadow-panel);
  scrollbar-color: rgba(216, 185, 121, 0.28) transparent;
  scrollbar-width: thin;
}

.modal[open] .modal__panel {
  animation: modal-in var(--dur-slow) var(--ease);
}

.modal__panel::before {
  position: absolute;
  top: 0;
  right: 26px;
  left: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  content: '';
  opacity: 0.55;
  pointer-events: none;
}

.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal__head h2 {
  margin-top: 5px;
  font-family: var(--font-display);
  font-size: 40px;
  font-style: italic;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
}

.modal__head .icon-button {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
}

.modal__intro {
  margin: 13px 0 20px;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.8;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin: 22px 0 18px;
}

.stat {
  padding: 11px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
}

.stat span {
  display: block;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.05em;
}

.stat strong {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.records-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
}

.records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10.5px;
  white-space: nowrap;
}

.records-table th {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 7.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-align: left;
}

.records-table td {
  padding: 10px 8px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-variant-numeric: tabular-nums;
}

.records-table tbody tr:first-child td {
  border-top: 0;
}

.records-table td:first-child {
  color: var(--text);
  font-family: var(--font-body);
  font-size: 10.5px;
}

.records-table td:nth-child(2) {
  color: var(--gold-bright);
}

.modal__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.modal__note {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 8.5px;
  letter-spacing: 0.04em;
}

.text-button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 10.5px;
  transition:
    color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease);
}

.text-button:hover {
  border-bottom-color: currentColor;
  color: var(--text);
}

.text-button--danger {
  color: var(--danger);
}

.text-button--danger:hover {
  color: #ff9c92;
}

.reset-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.reset-confirm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border: 1px solid rgba(255, 123, 110, 0.2);
  border-radius: var(--radius-xs);
  background: var(--danger-soft);
  color: var(--text-muted);
  font-size: 9.5px;
}

.custom-fields {
  display: grid;
  gap: 14px;
}

.field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 11px;
}

.field label span {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
}

.field__control {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 38px;
  gap: 7px;
  margin-top: 7px;
}

.field__control input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  text-align: center;
  outline: none;
  transition:
    border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
  appearance: textfield;
}

.field__control input::-webkit-inner-spin-button,
.field__control input::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

.field__control input:focus {
  border-color: rgba(216, 185, 121, 0.6);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.field__control input[aria-invalid='true'] {
  border-color: rgba(255, 123, 110, 0.55);
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.stepper {
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  font-size: 16px;
  transition:
    color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease);
}

.stepper:hover {
  border-color: rgba(216, 185, 121, 0.45);
  background: var(--gold-soft);
  color: var(--gold-bright);
}

.field-hint {
  margin-top: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
}

.field-error {
  min-height: 17px;
  margin-top: 5px;
  color: var(--danger);
  font-size: 10.5px;
}

#custom-form .modal__foot {
  margin-top: 14px;
}

/* ------------------------------------------------------------------ */
/* Motion                                                              */
/* ------------------------------------------------------------------ */

@keyframes banner-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes record-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(216, 185, 121, 0); }
  50% { box-shadow: 0 0 18px 2px rgba(216, 185, 121, 0.16); }
}

/* ------------------------------------------------------------------ */
/* Fallbacks and responsive layout                                     */
/* ------------------------------------------------------------------ */

@supports not (backdrop-filter: blur(2px)) {
  .console,
  .best-card,
  .modal__panel {
    background-color: #0c1512;
  }

  .modal::backdrop {
    background: rgba(2, 7, 6, 0.92);
  }
}

@media (max-width: 1180px) {
  .site-header {
    padding-right: 28px;
    padding-left: 28px;
  }

  .layout {
    grid-template-columns: minmax(270px, 310px) minmax(0, 1fr);
    gap: 28px;
    padding-right: 28px;
    padding-left: 28px;
  }

  .hero__title {
    font-size: clamp(52px, 5.8vw, 72px);
  }

  .site-footer {
    padding-right: 28px;
    padding-left: 28px;
  }
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-top: 4px;
  }

  .hero {
    padding-top: 10px;
  }

  .hero__title {
    margin: 18px 0 14px;
    font-size: clamp(52px, 10vw, 72px);
  }

  .hero__lede {
    max-width: none;
    font-size: 16px;
  }

  .hero__copy,
  .best-card,
  .key-guide {
    display: none;
  }

  .console {
    margin-top: 20px;
  }

  .board-viewport {
    max-height: min(64vh, 620px);
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 60px;
    padding: 12px 16px 6px;
  }

  .brand {
    gap: 9px;
  }

  .brand__mark {
    width: 25px;
    height: 25px;
  }

  .brand__text strong {
    font-size: 10.5px;
    letter-spacing: 0.2em;
  }

  .brand__text small {
    display: none;
  }

  .header-actions {
    gap: 7px;
  }

  .header-actions .icon-button {
    width: 44px;
    height: 44px;
  }

  .header-actions .button {
    min-height: 44px;
    padding: 9px 12px;
  }

  .layout {
    padding: 2px 12px 24px;
  }

  .hero__eyebrow {
    font-size: 8px;
  }

  .hero__title {
    margin: 15px 0 10px;
    font-size: 44px;
  }

  .hero__lede {
    font-size: 14px;
  }

  .console {
    margin-top: 14px;
    padding: 10px;
    border-radius: var(--radius-lg);
  }

  .console__top {
    padding-bottom: 9px;
  }

  .segmented__item {
    flex: 0 0 auto;
    min-width: 79px;
    min-height: 44px;
    padding: 6px 9px;
  }

  .segmented__item span {
    font-size: 10.5px;
  }

  .segmented__item small {
    font-size: 7.5px;
  }

  .hud {
    padding: 10px 12px;
  }

  .counter__label em {
    display: none;
  }

  .counter__value {
    font-size: 26px;
  }

  .face-button {
    width: 46px;
    height: 46px;
  }

  .face-button__icon {
    width: 25px;
    height: 25px;
  }

  .status-banner {
    flex-wrap: wrap;
    gap: 8px;
    padding: 9px 11px;
  }

  .status-banner__text {
    flex: 1 1 150px;
  }

  .board-well {
    min-height: 310px;
    padding: 8px;
    border-radius: var(--radius-md);
  }

  .board {
    min-height: 300px;
  }

  .board-viewport {
    max-height: min(58vh, 520px);
  }

  .console__bottom {
    gap: 8px;
    padding-top: 9px;
  }

  .flag-toggle {
    min-height: 44px;
    padding: 10px 2px;
  }

  .console__bottom .button {
    min-height: 44px;
  }

  #play-again {
    min-height: 44px;
    padding: 8px 12px;
  }

  .text-button {
    min-height: 32px;
    padding: 4px 0;
  }

  .console__hint {
    justify-content: flex-end;
    font-size: 8.5px;
  }

  .hint--desktop {
    display: none;
  }

  .hint--mobile {
    display: inline;
  }

  #new-game {
    padding: 5px 8px;
  }

  #new-game kbd {
    display: none;
  }

  .site-footer {
    padding: 13px 16px 20px;
    font-size: 7.5px;
  }

  .site-footer p:first-child {
    display: none;
  }

  .site-footer p:last-child {
    margin-left: auto;
  }

  .modal {
    width: calc(100vw - 20px);
  }

  .modal__panel {
    padding: 20px;
    border-radius: var(--radius-lg);
  }

  .modal__panel::before {
    right: 20px;
    left: 20px;
  }

  .modal__head h2 {
    font-size: 33px;
  }

  .modal__head .icon-button {
    width: 44px;
    height: 44px;
  }

  .field__control {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
  }

  .field__control input,
  .stepper {
    height: 44px;
  }

  #custom-submit {
    min-height: 44px;
    padding-right: 18px;
    padding-left: 18px;
  }

  .stat-grid {
    gap: 6px;
    margin: 17px 0 14px;
  }

  .stat {
    padding: 9px 10px;
  }

  .stat strong {
    font-size: 19px;
  }

  .records-table th,
  .records-table td {
    padding-right: 6px;
    padding-left: 6px;
  }

  .modal__note {
    display: none;
  }
}

@media (max-width: 390px) {
  .hero__title {
    font-size: 40px;
  }

  .brand__text strong {
    font-size: 9.5px;
  }

  .header-actions .button span {
    display: none;
  }

  .header-actions .button {
    width: 44px;
    height: 44px;
    padding: 0;
  }

  .hero__lede {
    font-size: 13px;
  }
}