:root {
  --bg: #131313;
  --surface-lowest: #0e0e0e;
  --surface-low: #1c1b1b;
  --surface-high: #2a2a2a;
  --surface-highest: rgba(53, 53, 52, 0.4);
  --text: #e5e2e1;
  --muted: #7d847a;
  --outline: rgba(59, 75, 55, 0.45);
  --primary: #00ff41;
  --secondary: #00f0ff;
  --tertiary: #ffb300;
  --danger: #ff7d5a;
  --shadow-green: 0 0 18px rgba(0, 255, 65, 0.18);
  --shadow-cyan: 0 0 18px rgba(0, 240, 255, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

body {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 0;
  cursor: pointer;
}

.scanline-overlay,
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

.scanline-overlay {
  background: linear-gradient(to bottom, transparent 50%, rgba(255, 255, 255, 0.02) 50%);
  background-size: 100% 4px;
  opacity: 0.35;
}

.noise-overlay {
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(0, 255, 65, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 65, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

#app {
  position: relative;
  min-height: 100svh;
  height: 100svh;
  overflow: hidden;
}

.screen {
  min-height: 100svh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.topbar {
  height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(19, 19, 19, 0.96);
  border-bottom: 1px solid rgba(59, 75, 55, 0.4);
  flex: 0 0 auto;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: var(--primary);
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(0, 255, 65, 0.3);
}

.topbar-actions,
.status-strip,
.inline-stats,
.footer-strip,
.leaderboard-footer {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-button,
.subtle-button {
  background: transparent;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 10px 14px;
  border: 1px solid transparent;
  transition: color 120ms linear, border-color 120ms linear, background 120ms linear;
}

.icon-button:hover,
.subtle-button:hover {
  color: var(--secondary);
  border-color: var(--outline);
  background: rgba(255, 255, 255, 0.03);
}

.layout {
  flex: 1;
  min-height: 0;
  height: calc(100svh - 72px);
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  overflow: hidden;
}

.sidebar {
  padding: 28px 22px;
  border-right: 1px solid rgba(59, 75, 55, 0.35);
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: rgba(19, 19, 19, 0.9);
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.eyebrow,
.label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.eyebrow strong,
.label strong {
  color: var(--secondary);
  font-weight: 700;
}

.metric-value,
.display-number,
.headline,
.kpi-value,
.board-cell,
.preview-cell {
  font-family: "Space Grotesk", sans-serif;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-link {
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-left: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  justify-content: flex-start;
}

.nav-link.active,
.nav-link:hover {
  color: var(--secondary);
  border-left-color: var(--secondary);
  background: rgba(255, 255, 255, 0.025);
}

.panel {
  background: var(--surface-low);
  padding: 18px;
}

.glass-panel {
  background: var(--surface-highest);
  backdrop-filter: blur(12px);
}

.progress-bar {
  height: 10px;
  background: var(--surface-lowest);
  position: relative;
  overflow: hidden;
}

.progress-bar > span {
  display: block;
  height: 100%;
  background: var(--secondary);
  box-shadow: var(--shadow-cyan);
}

.main-content {
  padding: 28px 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 420px);
  gap: 24px;
  align-items: start;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--secondary);
  border: 1px solid rgba(0, 240, 255, 0.16);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.68rem;
}

.headline {
  margin: 0;
  font-size: clamp(3.5rem, 12vw, 7rem);
  line-height: 0.88;
  text-transform: uppercase;
  letter-spacing: -0.08em;
  color: var(--primary);
  text-shadow: 0 0 24px rgba(0, 255, 65, 0.24);
}

.hero-copy {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.05rem, 2.3vw, 1.55rem);
  line-height: 1.6;
  color: #cfd4cc;
}

.hero-copy strong {
  color: var(--primary);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.primary-button,
.secondary-button {
  padding: 16px 28px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
}

.primary-button {
  background: var(--primary);
  color: #003907;
  box-shadow: var(--shadow-green);
}

.primary-button:hover {
  box-shadow: 0 0 28px rgba(0, 255, 65, 0.3);
}

.secondary-button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--outline);
}

.card {
  background: var(--surface-low);
  padding: 22px;
}

.card-title,
.kpi-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.kpi-value {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-top: 8px;
}

.bento {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 24px;
}

.preview-card {
  padding: 22px;
  background: var(--surface-lowest);
  border: 1px solid rgba(59, 75, 55, 0.25);
  position: relative;
  overflow: hidden;
}

.preview-header,
.game-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  position: relative;
}

.preview-cell,
.board-cell {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  font-weight: 700;
  user-select: none;
}

.preview-cell {
  background: var(--surface-high);
  color: #c4cbc1;
}

.preview-cell.selected {
  background: rgba(0, 240, 255, 0.14);
  color: var(--secondary);
  border: 1px solid rgba(0, 240, 255, 0.18);
}

.preview-window {
  position: absolute;
  border: 2px solid var(--secondary);
  box-shadow: var(--shadow-cyan);
  pointer-events: none;
}

.preview-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.preview-meta strong {
  color: var(--primary);
}

.hud {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
}

.playing-screen .layout {
  grid-template-columns: 240px minmax(0, 1fr);
}

.game-content {
  padding: 16px 18px 12px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.game-hud {
  gap: 12px;
  align-items: stretch;
}

.gimmick-toolbar,
.gimmick-toolbar-label,
.gimmick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.gimmick-toolbar {
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
}

.gimmick-toolbar-label {
  flex: 0 0 auto;
  min-width: 0;
  justify-content: flex-start;
}

.gimmick-toolbar-label .label:last-child {
  color: var(--muted);
  opacity: 0.8;
}

.gimmick-button {
  flex: 0 0 auto;
  min-width: 0;
  padding: 8px 12px 7px;
  background: rgba(14, 14, 14, 0.96);
  color: var(--text);
  border: 1px solid rgba(59, 75, 55, 0.32);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-align: left;
  white-space: nowrap;
  transition: border-color 120ms linear, background 120ms linear, box-shadow 120ms linear, color 120ms linear, transform 120ms linear;
}

.gimmick-button:hover:not(:disabled) {
  border-color: rgba(0, 240, 255, 0.28);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-1px);
}

.gimmick-button:disabled {
  cursor: default;
  opacity: 0.55;
}

.gimmick-button.armed {
  border-color: rgba(255, 179, 0, 0.3);
  box-shadow: 0 0 18px rgba(255, 179, 0, 0.12);
}

.gimmick-button.used {
  opacity: 0.45;
}

.gimmick-title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: #d7ddd4;
}

.gimmick-meta {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.62rem;
  color: var(--muted);
}

.gimmick-actions {
  flex: 1 1 auto;
  min-width: 0;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.playing-screen .hud-group {
  gap: 12px;
  flex-wrap: nowrap;
  min-width: 0;
}

.playing-screen .hud-card {
  min-width: 0;
  padding: 10px 12px;
  min-height: 68px;
}

.playing-screen .hud-card.hud-card-wide {
  flex: 1 1 320px;
}

.playing-screen .selected-values-card {
  max-width: min(520px, 46vw);
}

.playing-screen .hud-card .metric-value {
  font-size: 1.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.playing-screen .selected-values-card .metric-value {
  display: block;
  max-width: 100%;
}

.playing-screen .hud-card:last-child {
  min-width: 92px;
}

.hud-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hud-card {
  background: var(--surface-low);
  padding: 14px 16px;
  min-width: 140px;
}

.hud-card.success .metric-value {
  color: var(--primary);
}

.hud-card.warning .metric-value {
  color: var(--tertiary);
}

.metric-value {
  font-size: 1.4rem;
  margin-top: 6px;
}

.board-shell {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 14px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: rgba(53, 53, 52, 0.28);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: box-shadow 160ms linear, background 160ms linear, transform 160ms linear;
}

.board-shell.success-flash {
  box-shadow: 0 0 32px rgba(0, 255, 65, 0.12);
}

.board-shell.warning-flash {
  box-shadow: 0 0 32px rgba(255, 179, 0, 0.12);
}

.board-frame {
  position: relative;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.board-fit {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  min-width: 0;
  min-height: 0;
}

.board-grid {
  display: grid;
  width: 100%;
  height: 100%;
  gap: var(--board-gap, 6px);
  padding: var(--board-padding, 10px);
  background: rgba(14, 14, 14, 0.8);
  grid-template-columns: repeat(17, var(--board-cell-size, 1fr));
  grid-template-rows: repeat(10, var(--board-cell-size, 1fr));
}

.board-cell {
  aspect-ratio: auto;
  width: 100%;
  height: 100%;
  background: var(--surface-low);
  color: #8e948a;
  min-width: 0;
  font-size: var(--board-font-size, clamp(0.8rem, 2vw, 1.15rem));
  position: relative;
  transform-origin: center;
  transition: background 80ms linear, color 80ms linear, opacity 120ms linear, transform 120ms linear, box-shadow 120ms linear, filter 120ms linear;
}

.board-cell-value {
  display: inline-block;
  transition: filter 140ms ease, opacity 140ms ease, color 140ms ease, text-shadow 140ms ease;
}

.board-cell.active {
  color: #d6dcd3;
}

.board-cell:hover:not(:disabled):not(.removed) {
  transform: translateY(-1px) scale(1.01);
  box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.1);
}

.board-cell:disabled {
  cursor: default;
}

.board-cell.selected {
  background: rgba(0, 240, 255, 0.14);
  color: var(--secondary);
  box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.2), 0 0 14px rgba(0, 240, 255, 0.08);
  animation: selectPulse 0.8s linear infinite alternate;
}

.board-cell.hinted:not(.selected):not(.removed) {
  background: rgba(0, 240, 255, 0.08);
  color: #a5f7ff;
  box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.14);
  animation: hintPulse 0.9s ease-in-out infinite alternate;
}

.board-cell.valid {
  background: rgba(0, 255, 65, 0.18);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(0, 255, 65, 0.18), var(--shadow-green);
}

.board-cell.invalid {
  background: rgba(255, 179, 0, 0.14);
  color: var(--tertiary);
}

.board-cell.match-flash {
  animation: unlockFlash 0.26s ease-out both;
}

.board-cell.error-flash {
  animation: errorFlash 0.32s ease both;
}

.board-cell.removed {
  background: rgba(14, 14, 14, 0.36);
  color: rgba(0, 0, 0, 0);
  opacity: 0.15;
}

.selection-rect {
  position: absolute;
  border: 2px solid var(--secondary);
  box-shadow: var(--shadow-cyan);
  pointer-events: none;
  background: rgba(0, 240, 255, 0.04);
  animation: scanPulse 0.9s linear infinite;
}

.hint-rect {
  position: absolute;
  border: 2px solid rgba(0, 240, 255, 0.5);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.16);
  pointer-events: none;
  background: rgba(0, 240, 255, 0.03);
  animation: hintPulse 0.9s ease-in-out infinite alternate;
}

.combo-burst {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  pointer-events: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.18em;
  transform: translate(-50%, -50%);
  color: rgba(0, 240, 255, 0.68);
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 0 18px rgba(0, 240, 255, 0.18);
  animation: comboBurstRise 560ms cubic-bezier(0.18, 0.78, 0.12, 1) forwards;
}

.combo-burst-count,
.combo-burst-label {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.combo-burst-count {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
}

.combo-burst-label {
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  opacity: 0.78;
}

.playing-screen.paused .board-cell-value {
  filter: blur(7px);
  opacity: 0.28;
  color: transparent;
  text-shadow: 0 0 10px rgba(214, 220, 211, 0.45);
}

.playing-screen.paused .board-cell.selected .board-cell-value,
.playing-screen.paused .board-cell.valid .board-cell-value,
.playing-screen.paused .board-cell.invalid .board-cell-value {
  filter: blur(8px);
  opacity: 0.22;
}

.playing-screen.paused .selection-rect {
  filter: blur(4px);
  opacity: 0.42;
}

.board-hint {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: nowrap;
  min-width: 0;
  margin-top: 10px;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.board-hint span {
  white-space: nowrap;
}

.board-hint span:last-child {
  min-width: 0;
  margin-left: auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.target-value {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  color: var(--primary);
}

.game-footer {
  padding: 0;
}

.playing-screen .footer-strip,
.playing-screen .status-strip {
  gap: 12px;
}

.board-hint strong {
  color: var(--primary);
}

.round-overlay {
  position: fixed;
  inset: 72px 0 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 10, 8, 0.32);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.round-overlay.interactive {
  pointer-events: auto;
}

.round-overlay-panel {
  min-width: min(420px, calc(100vw - 48px));
  padding: 22px 28px;
  text-align: center;
  background: rgba(14, 14, 14, 0.92);
  border: 1px solid rgba(59, 75, 55, 0.5);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.28);
}

.round-overlay-title {
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.02em;
  font-size: clamp(2rem, 8vw, 4.8rem);
  line-height: 0.92;
  letter-spacing: 0.16em;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  text-shadow: 0 0 18px rgba(0, 255, 65, 0.22);
}

.round-overlay-char {
  position: relative;
  display: inline-block;
  color: transparent;
  -webkit-text-stroke: 1px currentColor;
  transform: translateY(22px) scaleY(1.2);
  opacity: 0;
  filter: blur(4px);
  animation: overlayTitleDraw 360ms cubic-bezier(0.2, 0.7, 0, 1) forwards;
  animation-delay: calc(var(--char-index, 0) * 47ms);
}

.round-overlay-char::after {
  content: "";
  position: absolute;
  left: -0.06em;
  right: -0.06em;
  bottom: 0.08em;
  height: 0.12em;
  background: currentColor;
  opacity: 0;
  filter: blur(6px);
  transform: scaleX(0.1);
  transform-origin: left center;
  animation: overlaySweep 280ms ease-out forwards;
  animation-delay: calc((var(--char-index, 0) * 47ms) + 54ms);
}

.round-overlay-char.space {
  width: 0.32em;
  -webkit-text-stroke: 0;
  transform: none;
  filter: none;
  opacity: 1;
  animation: none;
}

.round-overlay-char.space::after {
  display: none;
}

.round-overlay-detail {
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #c4cbc1;
}

.round-overlay-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.round-overlay-actions.compact {
  margin-top: 16px;
}

.round-overlay-actions .primary-button,
.round-overlay-actions .secondary-button {
  min-width: 164px;
}

.score-submit-panel {
  margin-top: 18px;
  text-align: left;
}

.score-submit-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.score-submit-item {
  padding: 12px;
  background: rgba(19, 19, 19, 0.92);
  border: 1px solid rgba(59, 75, 55, 0.32);
}

.score-submit-field {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.score-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(19, 19, 19, 0.96);
  color: var(--text);
  border: 1px solid rgba(59, 75, 55, 0.45);
  outline: 0;
}

.score-input:focus {
  border-color: rgba(0, 240, 255, 0.32);
  box-shadow: var(--shadow-cyan);
}

.score-submit-hint,
.score-submit-message {
  margin-top: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.score-submit-hint {
  color: var(--muted);
}

.score-submit-message.success {
  color: var(--primary);
}

.score-submit-message.error {
  color: var(--tertiary);
}

.score-submit-message.submitting {
  color: var(--secondary);
}

.round-overlay.go .round-overlay-title {
  color: var(--secondary);
  text-shadow: 0 0 18px rgba(0, 240, 255, 0.22);
}

.round-overlay.finished.timeout .round-overlay-title {
  color: var(--tertiary);
  text-shadow: 0 0 18px rgba(255, 179, 0, 0.18);
}

.round-overlay.finished.nomoves .round-overlay-title,
.round-overlay.finished.complete .round-overlay-title {
  color: var(--primary);
}

.round-overlay.go .round-overlay-char,
.round-overlay.go .round-overlay-char::after {
  color: var(--secondary);
}

.round-overlay.finished.timeout .round-overlay-char,
.round-overlay.finished.timeout .round-overlay-char::after {
  color: var(--tertiary);
}

@keyframes overlayTitleDraw {
  0% {
    opacity: 0;
    color: transparent;
    transform: translateY(22px) scaleY(1.2);
    filter: blur(4px);
  }
  55% {
    opacity: 1;
    color: transparent;
    transform: translateY(0) scaleY(1.02);
    filter: blur(1px);
  }
  100% {
    opacity: 1;
    color: currentColor;
    transform: translateY(0) scaleY(1);
    filter: blur(0);
  }
}

@keyframes hintPulse {
  0% {
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.08);
  }

  100% {
    box-shadow: 0 0 22px rgba(0, 240, 255, 0.2);
  }
}

@keyframes comboBurstRise {
  0% {
    opacity: 0;
    transform: translate(-50%, -36%) scale(0.88);
    filter: blur(6px);
  }

  18% {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(1.02);
    filter: blur(0);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -92%) scale(1.05);
    filter: blur(2px);
  }
}

@keyframes overlaySweep {
  0% {
    opacity: 0;
    transform: scaleX(0.08);
  }
  35% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: scaleX(1.18);
  }
}

.footer-strip {
  justify-content: space-between;
  padding: 14px 28px 18px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.results-grid,
.leaderboard-layout {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
  gap: 24px;
}

.stats-stack,
.results-stack {
  display: grid;
  gap: 16px;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.92rem;
}

.leaderboard-table th {
  color: var(--secondary);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  background: var(--surface-low);
}

.leaderboard-table tbody tr {
  border-top: 1px solid rgba(59, 75, 55, 0.2);
}

.leaderboard-table tbody tr.current-user {
  background: rgba(0, 255, 65, 0.08);
}

.leaderboard-table td:last-child,
.leaderboard-table th:last-child,
.leaderboard-table td:nth-last-child(2),
.leaderboard-table th:nth-last-child(2),
.leaderboard-table td:nth-last-child(3),
.leaderboard-table th:nth-last-child(3) {
  text-align: right;
}

.leaderboard-empty-row {
  color: #bdc3bb;
  text-align: center;
}

.records-overlay {
  position: absolute;
  inset: 0;
  z-index: 12;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 10, 8, 0.78);
  backdrop-filter: blur(18px);
}

.records-overlay-panel {
  width: min(1100px, 100%);
  max-height: min(80svh, 920px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 18px;
  overflow: hidden;
}

.records-overlay-header,
.records-overlay-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.records-overlay-title {
  margin: 10px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.92;
}

.records-overlay-table {
  min-height: 0;
  overflow: auto;
  border: 1px solid rgba(59, 75, 55, 0.28);
  background: rgba(14, 14, 14, 0.52);
}

.empty-copy {
  color: #bdc3bb;
  line-height: 1.6;
}

.helper-text {
  color: var(--secondary);
  font-weight: 600;
}

.landing-content {
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 14px;
}

.landing-screen .hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(250px, 380px);
  gap: 16px;
}

.landing-screen .headline {
  font-size: clamp(2.8rem, 7.4vw, 5.6rem);
  line-height: 0.82;
}

.landing-screen .hero-copy {
  max-width: 760px;
  font-size: clamp(0.98rem, 1.75vw, 1.35rem);
  line-height: 1.45;
}

.landing-screen .cta-row {
  gap: 12px;
}

.landing-screen .primary-button,
.landing-screen .secondary-button {
  padding: 14px 24px;
}

.landing-screen .card,
.landing-screen .preview-card {
  padding: 18px;
}

.landing-screen .landing-kpi {
  align-self: start;
}

.landing-screen .landing-best-stats {
  margin-top: 18px;
}

.landing-screen .landing-signature {
  margin-top: 18px;
}

.landing-screen .landing-kpi-meta {
  justify-content: space-between;
  align-items: center;
}

.landing-screen .landing-inline-button {
  padding: 8px 0;
}

.landing-screen .bento {
  grid-template-columns: minmax(240px, 320px) minmax(420px, 680px);
  width: fit-content;
  max-width: 100%;
  align-items: start;
  gap: 16px;
}

.landing-screen .preview-card {
  width: 100%;
  max-width: 680px;
  justify-self: stretch;
}

.landing-screen .preview-grid {
  margin-top: 14px;
  gap: 6px;
}

.landing-screen .preview-meta {
  margin-top: 12px;
  gap: 8px 14px;
  font-size: 0.62rem;
}

.landing-screen .footer-strip {
  margin-top: auto;
  padding: 6px 0 0;
}

.main-content::-webkit-scrollbar,
.sidebar::-webkit-scrollbar {
  width: 10px;
}

.main-content::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track {
  background: rgba(14, 14, 14, 0.65);
}

.main-content::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb {
  background: rgba(59, 75, 55, 0.8);
}

.main-content::-webkit-scrollbar-thumb:hover,
.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.6);
}

.mobile-controls {
  display: none;
}

@keyframes selectPulse {
  from {
    transform: scale(1);
    filter: brightness(1);
  }
  to {
    transform: scale(1.03);
    filter: brightness(1.12);
  }
}

@keyframes scanPulse {
  0% {
    opacity: 0.5;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 22px rgba(0, 240, 255, 0.32);
  }
  100% {
    opacity: 0.7;
    box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
  }
}

@keyframes unlockFlash {
  0% {
    transform: scale(1);
    filter: brightness(1);
    opacity: 1;
  }
  45% {
    transform: scale(1.08);
    filter: brightness(1.35);
    opacity: 1;
  }
  100% {
    transform: scale(0.88);
    filter: brightness(0.75);
    opacity: 0.35;
  }
}

@keyframes errorFlash {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-3px);
  }
  50% {
    transform: translateX(3px);
  }
  75% {
    transform: translateX(-2px);
  }
}

@media (max-height: 920px) and (min-width: 1025px) {
  .landing-content {
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 10px;
  }

  .landing-screen .headline {
    font-size: clamp(2.4rem, 6.3vw, 4.8rem);
  }

  .landing-screen .hero-copy {
    font-size: 1rem;
  }

  .landing-screen .card,
  .landing-screen .preview-card {
    padding: 16px;
  }

  .landing-screen .bento {
    grid-template-columns: minmax(220px, 290px) minmax(400px, 620px);
    width: fit-content;
    max-width: 100%;
    gap: 12px;
  }

  .landing-screen .preview-grid {
    gap: 5px;
  }

  .landing-screen .footer-strip {
    padding-top: 4px;
  }
}

@media (max-width: 1280px) {
  .playing-screen .layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .game-content {
    padding: 14px 14px 10px;
  }

  .playing-screen .hud-group {
    gap: 10px;
  }

  .gimmick-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .gimmick-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 1024px) {
  .layout,
  .hero-grid,
  .bento,
  .results-grid,
  .leaderboard-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .main-content {
    padding-bottom: 96px;
  }

  .game-content {
    padding-bottom: 96px;
    overflow-y: auto;
  }

  .playing-screen .hud-group,
  .board-hint {
    flex-wrap: wrap;
  }

  .gimmick-toolbar-label,
  .gimmick-actions {
    flex-wrap: wrap;
  }

  .topbar-actions {
    display: none;
  }

  .mobile-controls {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    gap: 10px;
    padding: 12px 16px 16px;
    background: rgba(19, 19, 19, 0.96);
    border-top: 1px solid rgba(59, 75, 55, 0.4);
  }

  .mobile-controls button {
    flex: 1;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 0 16px;
  }

  .main-content {
    padding: 20px 16px 88px;
  }

  .footer-strip {
    padding: 12px 16px 80px;
    flex-direction: column;
    align-items: flex-start;
  }

  .headline {
    font-size: clamp(2.8rem, 18vw, 4.4rem);
  }

  .mini-stats {
    grid-template-columns: 1fr;
  }

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

  .board-hint span,
  .board-hint span:last-child {
    white-space: normal;
  }

  .score-submit-summary {
    grid-template-columns: 1fr;
  }
}