:root {
  --bg: #2a2623;
  --bg-2: #23211f;
  --panel: linear-gradient(180deg, rgba(49, 46, 43, 0.98), rgba(33, 31, 29, 0.98));
  --panel-soft: rgba(49, 46, 43, 0.85);
  --panel-border: rgba(255, 255, 255, 0.06);
  --text: #f3f3f2;
  --muted: #b6b1ab;
  --soft: #8e8981;
  --accent: #81b64c;
  --accent-2: #95c95b;
  --accent-dark: #5e7f34;
  --danger: #dc6969;
  --warning: #e5bf52;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --radius: 20px;
  --radius-small: 14px;
  --light-green: #eeeed2;
  --dark-green: #769656;
  --light-brown: #e6d2ae;
  --dark-brown: #b58863;
  --sidebar-width: 210px;
  --content-width: min(1680px, calc(100vw - 64px));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(129, 182, 76, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.04), transparent 22%),
    linear-gradient(180deg, #2e2a27, #23211f);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

body {
  min-height: 100vh;
}

.app-shell {
  width: 100%;
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 20px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(180deg, rgba(27, 26, 25, 0.98), rgba(34, 32, 30, 0.98));
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px;
}

.brand-mark {
  width: 26px;
  height: 32px;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent-dark));
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.brand-mark::before {
  content: '';
  position: absolute;
  inset: 4px 6px 11px;
  background: rgba(34, 34, 34, 0.2);
  border-radius: 50% 50% 45% 45%;
}

.brand-mark::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 8px;
  left: 8px;
  top: -5px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #bbde86, var(--accent-2));
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.88rem;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
}

.nav-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  text-align: left;
  transition: 180ms ease;
}

.nav-button:hover,
.nav-button.active {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.04);
}

.nav-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
}

.mini-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-user-copy {
  flex: 1;
  min-width: 0;
}

.avatar-pill {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #162009;
  background: linear-gradient(145deg, #d3e9af, #83b84d);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 8px 18px rgba(0, 0, 0, 0.18);
}

.avatar-pill.large {
  width: 58px;
  height: 58px;
  font-size: 1.1rem;
}

.mini-user-name,
.player-name,
.identity-name {
  font-weight: 800;
}

.mini-user-rating,
.player-meta,
.identity-subtitle,
.panel-meta,
.summary-label,
.range-marks,
.notes-text,
.list-card-meta,
.challenge-code-display,
.league-subtext,
.compact-row-subtext {
  color: var(--muted);
}


.mini-user-xp {
  color: var(--soft);
  font-size: 0.72rem;
  margin-top: 6px;
}

.xp-mini-bar {
  margin-top: 8px;
  width: 100%;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.xp-mini-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #f5d76f, #81b64c);
}

.main-area {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 26px 28px;
  width: 100%;
}

.topbar {
  width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--soft);
  margin-bottom: 8px;
}

#page-title,
.panel h2,
.panel h3,
.modal-card h2 {
  margin: 0;
}

.topbar-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-stat,
.connection-pill {
  min-width: 100px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.top-stat-label {
  display: block;
  color: var(--soft);
  font-size: 0.72rem;
  margin-bottom: 4px;
}

.top-stat-value {
  font-weight: 800;
  font-size: 1.02rem;
}

.connection-pill {
  min-width: auto;
  font-weight: 700;
}

.connection-pill.connected {
  color: #10280b;
  background: linear-gradient(180deg, #d5f0a6, #95c95b);
}

.connection-pill.disconnected {
  color: #2a1212;
  background: linear-gradient(180deg, #f8bcbc, #dc6969);
}

.view {
  display: none;
  width: var(--content-width);
  margin: 0 auto;
}

.view.active {
  display: block;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.compact-header {
  margin-bottom: 14px;
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 22px;
  align-items: start;
}

.home-main {
  display: grid;
  gap: 22px;
}

.hero-panel {
  padding: 22px 24px;
}

.home-identity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.identity-cluster {
  display: flex;
  align-items: center;
  gap: 16px;
}

.identity-name {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.identity-subtitle {
  max-width: 720px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.summary-tile,
.summary-card,
.feature-card,
.league-card,
.rail-panel,
.section-panel,
.settings-panel,
.leaderboard-main,
.leaderboard-mini,
.slim-panel {
  padding: 18px;
}

.summary-tile {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
}

.summary-tile span,
.summary-tile small,
.summary-card .summary-label {
  display: block;
}

.summary-tile span {
  color: var(--soft);
  font-size: 0.78rem;
  margin-bottom: 8px;
}

.summary-tile strong {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 8px;
}

.summary-tile small {
  color: var(--muted);
}

.home-grid {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.action-stack,
.card-stack {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.quick-card {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(44, 41, 39, 0.96), rgba(28, 26, 24, 0.96));
  border-radius: 16px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-weight: 800;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.quick-card:hover,
.quick-card:focus-visible,
.choice-card:hover,
.choice-card:focus-visible,
.list-card.clickable:hover,
.list-card.clickable:focus-visible,
.bot-card:hover,
.bot-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(129, 182, 76, 0.45);
}

.quick-card.primary,
.button.button-primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #182306;
  border-color: rgba(255, 255, 255, 0.08);
}

.quick-card.primary:hover,
.button.button-primary:hover {
  background: linear-gradient(180deg, #a2d767, #8abd54);
}

.quick-icon,
.feature-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
}

.quick-card.primary .quick-icon {
  background: rgba(24, 35, 6, 0.18);
}

.home-content-column {
  display: grid;
  gap: 22px;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 160px;
}

.board-feature-card {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.board-feature-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.board-feature-head h3 {
  margin: 0 0 4px;
}

.board-feature-head p {
  margin: 0;
  color: var(--soft);
}

.mini-board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.mini-board.green .mini-square.dark {
  background: #7fa35a;
}

.mini-board.green .mini-square.light {
  background: #efefd6;
}

.mini-board.brown .mini-square.dark {
  background: #b28257;
}

.mini-board.brown .mini-square.light {
  background: #efe2c9;
}

.mini-square {
  position: relative;
  aspect-ratio: 1 / 1;
}

.mini-square .preview-piece {
  position: absolute;
  inset: 8%;
}

.feature-card p,
.notes-text,
.recommended-meta {
  line-height: 1.45;
}

.feature-icon {
  margin-bottom: 14px;
}

.daily-games-panel {
  padding: 18px;
}

.daily-games-body {
  display: grid;
  gap: 18px;
}

.recommended-card {
  min-height: 138px;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background:
    radial-gradient(circle at top right, rgba(129, 182, 76, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(39, 37, 34, 0.96), rgba(27, 25, 23, 0.96));
}

.recommended-title,
.list-card strong,
.compact-row-title,
.bot-card-title,
.league-name {
  font-weight: 800;
}

.recommended-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

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

.summary-card {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.summary-value {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.history-panel {
  padding: 18px;
}

.history-table {
  display: grid;
  gap: 10px;
}

.history-row,
.history-head {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr 0.8fr 0.65fr 0.9fr 0.8fr;
  gap: 12px;
  align-items: center;
}

.history-head {
  color: var(--soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 4px 6px;
}

.history-row {
  padding: 14px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.result-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.result-pill.win {
  background: rgba(129, 182, 76, 0.2);
  color: #d8f3b3;
}

.result-pill.loss {
  background: rgba(220, 105, 105, 0.22);
  color: #ffd7d7;
}

.result-pill.draw {
  background: rgba(255, 255, 255, 0.08);
  color: #f2f2f2;
}

.home-rail {
  display: grid;
  gap: 18px;
}

.league-card {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 25%),
    linear-gradient(180deg, rgba(61, 57, 54, 0.98), rgba(33, 31, 29, 0.98));
}

.league-name {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.compact-list,
.bot-category-cards,
.stats-grid,
.list-stack,
.bot-list,
.bot-category-list {
  display: grid;
  gap: 10px;
}

.compact-row,
.list-card,
.bot-card {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.compact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.compact-row-title {
  display: block;
}

.compact-row-subtext {
  font-size: 0.86rem;
}

.stat-card {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.stat-card-label {
  color: var(--soft);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.stat-card-value {
  font-weight: 800;
  font-size: 1.08rem;
}

.bot-category-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.bot-category-card.active {
  border-color: rgba(129, 182, 76, 0.5);
  background: rgba(129, 182, 76, 0.12);
}

.bot-category-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bot-category-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 1rem;
  flex-shrink: 0;
}

.play-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 22px;
  align-items: start;
}

.board-column {
  display: grid;
  gap: 14px;
}

.player-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.player-strip-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.clock-display {
  min-width: 108px;
  text-align: center;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 800;
}

.clock-display.active {
  background: linear-gradient(180deg, #d8f3b0, #8ec456);
  color: #1d2908;
}

.board-stage {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(44, 41, 38, 0.98), rgba(27, 25, 24, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.board-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-weight: 700;
}

.status-pill.live {
  background: rgba(129, 182, 76, 0.18);
  color: #d7f3ad;
}

.status-right {
  color: var(--muted);
  font-weight: 700;
}

.board-wrapper {
  width: min(100%, 860px);
  max-width: min(860px, calc(100vh - 230px));
}

.board {
  width: 100%;
  aspect-ratio: 1;
  background: #1c1b18;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  overflow: hidden;
  border-radius: 18px;
  position: relative;
  user-select: none;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.14);
}

.square {
  position: relative;
  border: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  aspect-ratio: 1;
}

.board.green .square.light {
  background: var(--light-green);
}

.board.green .square.dark {
  background: var(--dark-green);
}

.board.brown .square.light {
  background: var(--light-brown);
}

.board.brown .square.dark {
  background: var(--dark-brown);
}

.square.selected::after,
.square.last-move::after,
.square.legal-target::after,
.square.capture-target::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.square.selected::after {
  border: 3px solid rgba(248, 214, 84, 0.95);
}

.square.last-move::after {
  background: rgba(246, 246, 105, 0.18);
}

.square.legal-target::after {
  inset: 34%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.22);
}

.square.capture-target::after {
  inset: 10%;
  border-radius: 50%;
  box-shadow: inset 0 0 0 6px rgba(191, 61, 61, 0.58);
}

.piece,
.preview-piece {
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  display: block;
}

.piece {
  position: absolute;
  inset: 3%;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.28));
}

.coord-rank,
.coord-file {
  position: absolute;
  font-weight: 700;
  font-size: clamp(0.72rem, 1vw, 0.95rem);
  color: rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.board.green .square.dark .coord-rank,
.board.green .square.dark .coord-file,
.board.brown .square.dark .coord-rank,
.board.brown .square.dark .coord-file {
  color: rgba(255, 255, 255, 0.72);
}

.coord-rank {
  top: 4px;
  left: 6px;
}

.coord-file {
  right: 6px;
  bottom: 4px;
}

.theme-chesscom .piece.wp,
.preview-theme-chesscom .preview-piece.wp { background-image: url('/assets/pieces/chesscom/wp.png'); }
.theme-chesscom .piece.wn,
.preview-theme-chesscom .preview-piece.wn { background-image: url('/assets/pieces/chesscom/wn.png'); }
.theme-chesscom .piece.wb,
.preview-theme-chesscom .preview-piece.wb { background-image: url('/assets/pieces/chesscom/wb.png'); }
.theme-chesscom .piece.wr,
.preview-theme-chesscom .preview-piece.wr { background-image: url('/assets/pieces/chesscom/wr.png'); }
.theme-chesscom .piece.wq,
.preview-theme-chesscom .preview-piece.wq { background-image: url('/assets/pieces/chesscom/wq.png'); }
.theme-chesscom .piece.wk,
.preview-theme-chesscom .preview-piece.wk { background-image: url('/assets/pieces/chesscom/wk.png'); }
.theme-chesscom .piece.bp,
.preview-theme-chesscom .preview-piece.bp { background-image: url('/assets/pieces/chesscom/bp.png'); }
.theme-chesscom .piece.bn,
.preview-theme-chesscom .preview-piece.bn { background-image: url('/assets/pieces/chesscom/bn.png'); }
.theme-chesscom .piece.bb,
.preview-theme-chesscom .preview-piece.bb { background-image: url('/assets/pieces/chesscom/bb.png'); }
.theme-chesscom .piece.br,
.preview-theme-chesscom .preview-piece.br { background-image: url('/assets/pieces/chesscom/br.png'); }
.theme-chesscom .piece.bq,
.preview-theme-chesscom .preview-piece.bq { background-image: url('/assets/pieces/chesscom/bq.png'); }
.theme-chesscom .piece.bk,
.preview-theme-chesscom .preview-piece.bk { background-image: url('/assets/pieces/chesscom/bk.png'); }

.theme-merida .piece.wp,
.preview-theme-merida .preview-piece.wp { background-image: url('/assets/pieces/merida/wp.png'); }
.theme-merida .piece.wn,
.preview-theme-merida .preview-piece.wn { background-image: url('/assets/pieces/merida/wn.png'); }
.theme-merida .piece.wb,
.preview-theme-merida .preview-piece.wb { background-image: url('/assets/pieces/merida/wb.png'); }
.theme-merida .piece.wr,
.preview-theme-merida .preview-piece.wr { background-image: url('/assets/pieces/merida/wr.png'); }
.theme-merida .piece.wq,
.preview-theme-merida .preview-piece.wq { background-image: url('/assets/pieces/merida/wq.png'); }
.theme-merida .piece.wk,
.preview-theme-merida .preview-piece.wk { background-image: url('/assets/pieces/merida/wk.png'); }
.theme-merida .piece.bp,
.preview-theme-merida .preview-piece.bp { background-image: url('/assets/pieces/merida/bp.png'); }
.theme-merida .piece.bn,
.preview-theme-merida .preview-piece.bn { background-image: url('/assets/pieces/merida/bn.png'); }
.theme-merida .piece.bb,
.preview-theme-merida .preview-piece.bb { background-image: url('/assets/pieces/merida/bb.png'); }
.theme-merida .piece.br,
.preview-theme-merida .preview-piece.br { background-image: url('/assets/pieces/merida/br.png'); }
.theme-merida .piece.bq,
.preview-theme-merida .preview-piece.bq { background-image: url('/assets/pieces/merida/bq.png'); }
.theme-merida .piece.bk,
.preview-theme-merida .preview-piece.bk { background-image: url('/assets/pieces/merida/bk.png'); }

.board-controls {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.board-controls-left {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.board-controls-right {
  min-width: 0;
  flex: 1;
}

.move-log-title {
  font-weight: 800;
  margin-bottom: 10px;
}

.move-log {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 110px;
  overflow: auto;
}

.move-chip {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.88rem;
}

.play-panel {
  display: grid;
  gap: 14px;
}

.panel-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.panel-tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
}

.panel-tab.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.05);
}

.panel-body {
  display: none;
}

.panel-body.active {
  display: block;
}

.compact-stack {
  gap: 14px;
}

.select-card,
.bot-selection-summary,
.engine-strip {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.select-card label,
.range-block label,
.challenge-block label,
.bot-color-row label {
  display: block;
  color: var(--soft);
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.select-card.muted .select-value {
  color: var(--muted);
}

.select-value {
  font-weight: 800;
}

.toggle-row,
.bot-color-row,
.challenge-row,
.engine-label-row,
.list-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.switch {
  position: relative;
  width: 48px;
  height: 28px;
  display: inline-block;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  transition: 150ms ease;
}

.slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: #fff;
  transition: 150ms ease;
}

.switch input:checked + .slider {
  background: rgba(129, 182, 76, 0.7);
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
}

.range-block input,
.engine-strip input {
  width: 100%;
}

.time-groups {
  display: grid;
  gap: 14px;
}

.time-group {
  display: grid;
  gap: 8px;
}

.time-group-label {
  color: var(--soft);
  font-size: 0.82rem;
  text-transform: capitalize;
}

.time-group-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.time-control {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
}

.time-control.active {
  background: rgba(129, 182, 76, 0.14);
  border-color: rgba(129, 182, 76, 0.65);
}

.challenge-row {
  align-items: stretch;
}

.text-input,
.select-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 11px 12px;
  border-radius: 12px;
}

.compact-select {
  max-width: 130px;
}

.button {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 800;
  transition: 140ms ease;
}

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

.button.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.button.big {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
}

.button.small {
  padding: 9px 12px;
}

.mini-action-list {
  display: grid;
  gap: 8px;
}

.mini-action {
  border: 0;
  text-align: left;
  color: var(--muted);
  background: transparent;
  padding: 0;
}

.mini-action:hover {
  color: var(--text);
}

.bot-panel {
  display: grid;
  gap: 14px;
}

.range-marks {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  font-size: 0.74rem;
}

.bot-selection-summary {
  line-height: 1.45;
}

.bot-card {
  display: grid;
  gap: 6px;
  text-align: left;
}

.bot-card.active {
  border-color: rgba(129, 182, 76, 0.62);
  background: rgba(129, 182, 76, 0.12);
}

.bot-card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.badge.live {
  background: rgba(129, 182, 76, 0.18);
  color: #d8f3b3;
}

.badge.daily {
  background: rgba(91, 154, 223, 0.18);
  color: #cce4ff;
}

.badge.finished {
  background: rgba(255, 255, 255, 0.08);
  color: #f2f2f2;
}

.list-card.clickable.active {
  border-color: rgba(129, 182, 76, 0.6);
  background: rgba(129, 182, 76, 0.12);
}

.empty-state {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.leaderboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
}

.leaderboard-side {
  display: grid;
  gap: 18px;
}

.table-like {
  display: grid;
  gap: 10px;
}

.table-row {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.table-like .table-row {
  grid-template-columns: 72px 1.3fr 0.9fr 0.9fr 0.8fr 0.8fr;
}

.compact-table .table-row {
  grid-template-columns: 72px 1.2fr 0.9fr;
}

.table-header {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--soft);
  font-size: 0.76rem;
}

.rank-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.settings-layout {
  display: block;
}

.settings-panel {
  padding: 22px;
}

.setting-group {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

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

.choice-card {
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 16px;
  border-radius: 18px;
  transition: 140ms ease;
}

.choice-card.active {
  border-color: rgba(129, 182, 76, 0.62);
  background: rgba(129, 182, 76, 0.12);
}

.board-preview {
  width: 88px;
  height: 88px;
  border-radius: 14px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.16);
}

.board-preview-green .preview-cell.light { background: var(--light-green); }
.board-preview-green .preview-cell.dark { background: var(--dark-green); }
.board-preview-brown .preview-cell.light { background: var(--light-brown); }
.board-preview-brown .preview-cell.dark { background: var(--dark-brown); }

.piece-set-preview {
  width: 136px;
  min-width: 136px;
  height: 88px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  justify-items: center;
  padding: 0 10px;
}

.preview-piece {
  width: 26px;
  height: 26px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(4px);
  z-index: 100;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-card {
  width: min(520px, calc(100vw - 32px));
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(48, 45, 42, 0.98), rgba(31, 29, 27, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.modal-card p {
  color: var(--muted);
  line-height: 1.45;
}

.modal-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.modal-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
}

.toast-container {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
  z-index: 120;
}

.toast {
  padding: 12px 14px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-width: 260px;
  background: rgba(33, 31, 29, 0.96);
}

.toast.success { border-color: rgba(129, 182, 76, 0.4); }
.toast.warning { border-color: rgba(229, 191, 82, 0.4); }
.toast.error { border-color: rgba(220, 105, 105, 0.4); }

.hidden {
  display: none !important;
}

@media (max-width: 1480px) {
  :root {
    --content-width: min(1500px, calc(100vw - 44px));
  }

  .home-layout {
    grid-template-columns: 1fr;
  }

  .home-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1260px) {
  .app-shell {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .brand-title,
  .brand-subtitle,
  .nav-button span:last-child,
  .mini-user-card > div:last-child {
    display: none;
  }

  .sidebar {
    align-items: center;
    padding-inline: 10px;
  }

  .nav-button {
    justify-content: center;
    width: 100%;
  }

  .mini-user-card {
    padding: 10px;
  }

  .home-grid,
  .play-layout,
  .leaderboard-layout {
    grid-template-columns: 1fr;
  }

  .home-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-row,
  .summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .main-area {
    padding: 18px 14px 24px;
  }

  .topbar,
  .view {
    width: 100%;
  }

  .topbar,
  .home-identity-row,
  .board-status-bar,
  .board-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-stats {
    justify-content: stretch;
  }

  .topbar-stats > * {
    flex: 1 1 120px;
  }

  .summary-strip,
  .feature-row,
  .lobby-summary-grid,
  .home-rail,
  .choice-grid {
    grid-template-columns: 1fr;
  }

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

  .panel-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-head,
  .history-row,
  .table-like .table-row,
  .compact-table .table-row {
    grid-template-columns: 1fr;
  }

  .history-head {
    display: none;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }

  .brand-title,
  .brand-subtitle,
  .mini-user-card > div:last-child {
    display: block;
  }

  .sidebar-nav {
    grid-auto-flow: column;
    gap: 6px;
  }

  .nav-button span:last-child {
    display: none;
  }

  .nav-button {
    width: auto;
    padding: 10px;
  }

  .sidebar-footer {
    margin-top: 0;
  }
}

@media (max-width: 960px) {
  .feature-row {
    grid-template-columns: 1fr;
  }
}


.square:hover {
  outline: 1px solid rgba(255, 255, 255, 0.12);
  outline-offset: -1px;
}

.hero-panel {
  background: linear-gradient(180deg, rgba(56, 52, 48, 0.98), rgba(35, 32, 30, 0.98));
}

.quick-card.primary,
.button.button-primary {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 8px 20px rgba(0, 0, 0, 0.18);
}

/* --- Training, puzzle, review, and upgraded bot ladder --- */
.clickable,
.clickable-panel,
.board-feature-card[data-view-jump] {
  cursor: pointer;
}

.board-feature-card[data-view-jump]:hover,
.track-card:hover,
.lesson-node:hover,
.puzzle-section-card:hover,
.puzzle-node:hover,
.review-move-card:hover,
.bot-card.portrait:hover,
.list-card.clickable:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.05);
}

.training-layout,
.review-layout {
  display: grid;
  gap: 20px;
}

.training-layout {
  grid-template-columns: 320px minmax(0, 1fr) 340px;
  align-items: start;
}

.training-sidebar,
.training-main,
.training-rail,
.review-main,
.review-side {
  min-width: 0;
}

.training-side-panel,
.training-main-panel,
.training-rail-panel,
.review-main,
.review-mini-panel {
  background:
    radial-gradient(circle at top left, rgba(129, 182, 76, 0.05), transparent 28%),
    linear-gradient(180deg, rgba(49, 46, 43, 0.98), rgba(31, 29, 27, 0.98));
}

.training-sidebar,
.training-main,
.training-rail,
.review-side {
  display: grid;
  gap: 18px;
}

.training-progress-card,
.training-hint-card,
.training-explanation-card,
.bot-summary-card,
.metric-card,
.summary-tile {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.035);
}

.training-progress-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.training-progress-row,
.training-reward-row,
.review-meta-line,
.lesson-meta-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.training-progress-copy,
.training-summary-text,
.review-meta-line,
.notes-text {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.track-list,
.puzzle-section-list {
  display: grid;
  gap: 12px;
}

.track-card,
.puzzle-section-card {
  position: relative;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 18px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  transition: 160ms ease;
}

.track-card.active,
.puzzle-section-card.active {
  border-color: rgba(149, 201, 91, 0.42);
  box-shadow: inset 0 0 0 1px rgba(149, 201, 91, 0.22);
  background: linear-gradient(180deg, rgba(81, 113, 46, 0.24), rgba(255, 255, 255, 0.03));
}

.track-card.locked,
.puzzle-section-card.locked,
.lesson-node.locked,
.puzzle-node.locked {
  opacity: 0.72;
}

.section-cloud-overlay,
.lesson-node-cloud,
.puzzle-cloud {
  display: inline-grid;
  place-items: center;
  font-size: 1rem;
  color: #e8edf6;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.section-cloud-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(78, 84, 95, 0.3), rgba(47, 52, 61, 0.58));
  color: #edf2fb;
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(2px);
}

.lesson-ladder {
  min-height: 620px;
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 10px 4px 2px;
}

.lesson-node {
  position: relative;
  width: min(100%, 320px);
  border: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 20px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  text-align: left;
  transition: 160ms ease;
}

.lesson-node.left {
  justify-self: start;
}

.lesson-node.right {
  justify-self: end;
}

.lesson-node.active {
  border-color: rgba(149, 201, 91, 0.42);
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.18), rgba(255, 255, 255, 0.03));
}

.lesson-node.completed {
  box-shadow: inset 0 0 0 1px rgba(122, 202, 125, 0.22);
}

.lesson-node-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  font-size: 1.2rem;
}

.lesson-node-title {
  font-weight: 800;
}

.lesson-preview-board {
  width: min(100%, 280px);
  margin: 0 auto 10px;
}

.detail-bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
  line-height: 1.5;
}

.training-reward-row {
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(129, 182, 76, 0.12);
  color: #dff2b5;
}

.puzzle-stage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 320px;
  gap: 18px;
  align-items: start;
}

.puzzle-board-column {
  min-width: 0;
}

.training-status-bar {
  margin-bottom: 14px;
}

.training-board-wrapper {
  width: min(100%, 760px);
}

.puzzle-side-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.training-metric-grid,
.review-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.metric-card,
.summary-tile {
  padding: 14px;
}

.metric-card span,
.summary-tile span {
  display: block;
  font-size: 0.82rem;
  color: var(--soft);
  margin-bottom: 8px;
}

.metric-card strong,
.summary-tile strong {
  font-size: 1.16rem;
}

.summary-tile small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.training-button-stack {
  display: grid;
  gap: 10px;
}

.puzzle-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.puzzle-node {
  position: relative;
  height: 74px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.08rem;
  transition: 160ms ease;
}

.puzzle-node.current {
  border-color: rgba(149, 201, 91, 0.42);
  box-shadow: inset 0 0 0 1px rgba(149, 201, 91, 0.22);
}

.puzzle-node.solved {
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.22), rgba(255, 255, 255, 0.03));
}

.puzzle-node.locked {
  background: linear-gradient(180deg, rgba(74, 80, 90, 0.34), rgba(255, 255, 255, 0.03));
}

.puzzle-cloud {
  position: absolute;
  inset: auto auto 10px 10px;
}

.review-layout {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: start;
}

.review-headline {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 18px 0 12px;
  color: #e6efcf;
}

.review-move-list {
  display: grid;
  gap: 12px;
}

.review-move-card {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
  transition: 160ms ease;
}

.review-move-card.user {
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.08), rgba(255, 255, 255, 0.03));
}

.review-move-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.review-badge {
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.review-badge.best,
.review-badge.excellent {
  background: rgba(95, 198, 121, 0.2);
  color: #d4f7dd;
}

.review-badge.good {
  background: rgba(129, 182, 76, 0.2);
  color: #e5f6c3;
}

.review-badge.inaccuracy {
  background: rgba(229, 191, 82, 0.2);
  color: #fff0be;
}

.review-badge.mistake,
.review-badge.blunder {
  background: rgba(220, 105, 105, 0.2);
  color: #ffd8d8;
}

.bot-selection-summary {
  min-height: 110px;
}

.bot-summary-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
}

.bot-avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: 0.03em;
  color: #111513;
  background: linear-gradient(145deg, hsl(var(--bot-hue, 120) 72% 78%), hsl(var(--bot-hue, 120) 42% 56%));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 8px 18px rgba(0, 0, 0, 0.18);
}

.bot-avatar.large {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  font-size: 1.1rem;
}

.bot-list {
  grid-template-columns: 1fr;
}

.bot-card.portrait {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  text-align: left;
  color: var(--text);
  transition: 160ms ease;
}

.bot-card.portrait.active {
  border-color: rgba(149, 201, 91, 0.42);
  box-shadow: inset 0 0 0 1px rgba(149, 201, 91, 0.22);
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.18), rgba(255, 255, 255, 0.03));
}

.bot-card-copy {
  min-width: 0;
}

.bot-category-list {
  grid-template-columns: 1fr;
}

.bot-category-list .compact-row,
.bot-category-list .bot-card,
.bot-category-list .bot-category-card,
.bot-category-list > button {
  width: 100%;
}

.bot-category-list > button {
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  text-align: left;
}

.bot-category-list > button.active {
  border-color: rgba(149, 201, 91, 0.42);
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.14), rgba(255, 255, 255, 0.03));
}

@media (max-width: 1360px) {
  .training-layout {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .training-rail {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .review-layout {
    grid-template-columns: 1fr;
  }

  .review-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .training-layout,
  .review-layout,
  .puzzle-stage-layout {
    grid-template-columns: 1fr;
  }

  .training-rail,
  .review-side {
    grid-template-columns: 1fr;
  }

  .lesson-ladder {
    min-height: auto;
  }

  .lesson-node,
  .lesson-node.left,
  .lesson-node.right {
    justify-self: stretch;
    width: 100%;
  }

  .puzzle-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .puzzle-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .review-move-head,
  .training-progress-row,
  .training-reward-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

.bot-grid {
  display: grid;
  gap: 10px;
}

.status-pill.daily {
  background: rgba(229, 191, 82, 0.18);
  color: #fff1bc;
}

.status-pill.finished {
  background: rgba(220, 105, 105, 0.18);
  color: #ffd7d7;
}

/* Premium polish pass */
.hero-panel {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 20%, rgba(129, 182, 76, 0.16), transparent 22%),
    radial-gradient(circle at 14% 10%, rgba(255, 255, 255, 0.06), transparent 20%),
    linear-gradient(180deg, rgba(58, 54, 50, 0.98), rgba(31, 29, 27, 0.98));
}

.hero-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.02) 50%, rgba(255, 255, 255, 0.02) 75%, transparent 75%, transparent);
  background-size: 120px 120px;
  opacity: 0.25;
  pointer-events: none;
}

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

.summary-strip {
  gap: 14px;
}

.summary-tile {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  backdrop-filter: blur(8px);
}

.home-layout .panel,
.play-layout .panel,
.training-layout .panel,
.review-layout .panel,
.leaderboard-layout .panel,
.settings-layout .panel {
  backdrop-filter: blur(8px);
}

.board-feature-card,
.quick-card,
.rail-panel,
.league-card,
.recommended-card,
.history-panel,
.daily-games-panel {
  position: relative;
  overflow: hidden;
}

.board-feature-card::before,
.rail-panel::before,
.league-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 50%);
  pointer-events: none;
}

.quick-card {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mini-user-xp-button {
  width: 100%;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: inherit;
  display: grid;
  gap: 2px;
  text-align: left;
  transition: 160ms ease;
}

.mini-user-xp-button:hover {
  border-color: rgba(129, 182, 76, 0.36);
  transform: translateY(-1px);
}

.mini-user-xp-kicker {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--soft);
}

.lesson-node-hint {
  color: var(--soft);
  font-size: 0.74rem;
  font-weight: 700;
}

.modal-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.icon-close {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
}

.lesson-modal-card,
.xp-modal-card {
  width: min(760px, calc(100vw - 32px));
}

.lesson-modal-layout,
.xp-modal-hero {
  display: grid;
  gap: 18px;
}

.lesson-modal-hero {
  display: grid;
  grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.lesson-modal-copy {
  display: grid;
  gap: 12px;
}

.lesson-modal-checklist {
  display: grid;
  gap: 10px;
}

.lesson-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
}

.lesson-check-item.done {
  border-color: rgba(129, 182, 76, 0.34);
  background: rgba(129, 182, 76, 0.12);
}

.lesson-check-item input {
  margin-top: 2px;
}

.modal-actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.xp-modal-hero {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.9fr);
  align-items: start;
}

.xp-hero-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
}

.xp-hero-level {
  font-size: 1.35rem;
  font-weight: 800;
}

.xp-big-bar {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.xp-big-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #f6d96f, #81b64c);
}

.xp-copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}

.xp-goal-list,
.xp-stats-grid {
  display: grid;
  gap: 12px;
}

.xp-stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 18px;
}

.xp-goal-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.xp-goal-card-row.current {
  border-color: rgba(229, 191, 82, 0.4);
}

.xp-goal-card-row.unlocked {
  border-color: rgba(129, 182, 76, 0.4);
  background: rgba(129, 182, 76, 0.12);
}

.review-layout {
  grid-template-columns: minmax(0, 1fr) 330px;
}

.review-shell {
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(360px, 0.85fr);
  gap: 18px;
}

.review-board-side,
.review-analysis-side {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.review-stage-card,
.review-callout-card,
.review-chart-card,
.review-phase-card {
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
}

.review-stage-card {
  padding: 14px;
}

.review-stage-top,
.review-controls-row,
.review-callout-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.review-player-chip {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 700;
}

.review-player-chip.bottom {
  margin-top: 12px;
}

.review-board-wrapper {
  width: min(100%, 720px);
  margin-top: 14px;
}

.review-callout-card,
.review-chart-card {
  padding: 16px 18px;
}

.review-callout-copy {
  display: grid;
  gap: 10px;
}

.review-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.review-eval-chart {
  width: 100%;
  height: 138px;
  display: block;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
}

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

.review-phase-card {
  padding: 14px;
}

.review-phase-card span {
  display: block;
  color: var(--soft);
  font-size: 0.76rem;
  margin-bottom: 6px;
}

.review-phase-card strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.review-phase-card small {
  color: var(--muted);
}

.review-phase-card.opening {
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.16), rgba(255, 255, 255, 0.03));
}

.review-phase-card.middlegame {
  background: linear-gradient(180deg, rgba(92, 136, 230, 0.16), rgba(255, 255, 255, 0.03));
}

.review-phase-card.endgame {
  background: linear-gradient(180deg, rgba(229, 191, 82, 0.16), rgba(255, 255, 255, 0.03));
}

.review-table-list {
  gap: 8px;
  max-height: 700px;
  overflow: auto;
  padding-right: 2px;
}

.review-table-row {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  border-radius: 14px;
  padding: 11px 12px;
  display: grid;
  grid-template-columns: 56px 1fr auto minmax(56px, auto);
  align-items: center;
  gap: 10px;
  text-align: left;
}

.review-table-row.user {
  background: linear-gradient(180deg, rgba(129, 182, 76, 0.08), rgba(255, 255, 255, 0.025));
}

.review-table-row.active {
  border-color: rgba(229, 191, 82, 0.5);
  box-shadow: inset 0 0 0 1px rgba(229, 191, 82, 0.24);
}

.review-row-number,
.review-row-best {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.review-row-san {
  font-weight: 800;
}

.review-row-badge {
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
}

.review-row-badge.best,
.review-row-badge.excellent {
  background: rgba(95, 198, 121, 0.2);
  color: #d4f7dd;
}

.review-row-badge.good {
  background: rgba(129, 182, 76, 0.2);
  color: #e5f6c3;
}

.review-row-badge.inaccuracy {
  background: rgba(229, 191, 82, 0.2);
  color: #fff0be;
}

.review-row-badge.mistake,
.review-row-badge.blunder {
  background: rgba(220, 105, 105, 0.2);
  color: #ffd8d8;
}

.review-swing-row {
  width: 100%;
  border: 0;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
}

.square.review-actual::before,
.square.review-best::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.square.review-actual::before {
  box-shadow: inset 0 0 0 4px rgba(248, 216, 93, 0.92);
}

.square.review-best::after {
  inset: 18%;
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px rgba(129, 182, 76, 0.86);
}

body[data-level-band="blue"] .board.green .square.light,
body[data-level-band="blue"] .board.brown .square.light,
body[data-level-band="blue"] .mini-board.green .mini-square.light,
body[data-level-band="blue"] .mini-board.brown .mini-square.light {
  background: #dfe9ff;
}

body[data-level-band="blue"] .board.green .square.dark,
body[data-level-band="blue"] .board.brown .square.dark,
body[data-level-band="blue"] .mini-board.green .mini-square.dark,
body[data-level-band="blue"] .mini-board.brown .mini-square.dark {
  background: #5b7dcb;
}

body[data-level-band="pink"] .board.green .square.light,
body[data-level-band="pink"] .board.brown .square.light,
body[data-level-band="pink"] .mini-board.green .mini-square.light,
body[data-level-band="pink"] .mini-board.brown .mini-square.light {
  background: #f9e1f1;
}

body[data-level-band="pink"] .board.green .square.dark,
body[data-level-band="pink"] .board.brown .square.dark,
body[data-level-band="pink"] .mini-board.green .mini-square.dark,
body[data-level-band="pink"] .mini-board.brown .mini-square.dark {
  background: #c86aa3;
}

body[data-level-band="violet"] .board.green .square.light,
body[data-level-band="violet"] .board.brown .square.light,
body[data-level-band="violet"] .mini-board.green .mini-square.light,
body[data-level-band="violet"] .mini-board.brown .mini-square.light {
  background: #ece4ff;
}

body[data-level-band="violet"] .board.green .square.dark,
body[data-level-band="violet"] .board.brown .square.dark,
body[data-level-band="violet"] .mini-board.green .mini-square.dark,
body[data-level-band="violet"] .mini-board.brown .mini-square.dark {
  background: #8260cf;
}

body[data-level-band="gold"] .board.green .square.light,
body[data-level-band="gold"] .board.brown .square.light,
body[data-level-band="gold"] .mini-board.green .mini-square.light,
body[data-level-band="gold"] .mini-board.brown .mini-square.light {
  background: #f7e8b0;
}

body[data-level-band="gold"] .board.green .square.dark,
body[data-level-band="gold"] .board.brown .square.dark,
body[data-level-band="gold"] .mini-board.green .mini-square.dark,
body[data-level-band="gold"] .mini-board.brown .mini-square.dark {
  background: #c29a31;
}

body[data-level-band="blue"] .board,
body[data-level-band="pink"] .board,
body[data-level-band="violet"] .board,
body[data-level-band="gold"] .board {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 4px rgba(255, 255, 255, 0.03);
}

@media (max-width: 1360px) {
  .review-shell {
    grid-template-columns: 1fr;
  }

  .xp-modal-hero,
  .lesson-modal-hero,
  .xp-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1080px) {
  .review-layout {
    grid-template-columns: 1fr;
  }

  .xp-modal-hero,
  .lesson-modal-hero,
  .xp-stats-grid,
  .review-phase-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .review-table-row {
    grid-template-columns: 52px 1fr;
  }

  .review-row-badge,
  .review-row-best {
    grid-column: 2;
  }

  .xp-copy-row,
  .review-stage-top,
  .review-callout-head,
  .review-controls-row,
  .modal-actions-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

.review-main, .review-mini-panel { padding: 18px; }

/* === Final premium enhancement pass === */
.image-avatar {
  background-size: cover;
  background-position: center;
  color: transparent !important;
}

.google-signin-slot {
  min-height: 48px;
  display: flex;
  align-items: center;
}

.google-placeholder {
  width: 100%;
  justify-content: center;
}

.welcome-auth-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(260px, 1fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 18px;
}

.welcome-auth-pane {
  border-radius: 20px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 14px;
}

.welcome-auth-divider {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.welcome-auth-divider span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.lesson-ladder {
  position: relative;
  min-height: 720px;
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 18px 8px 4px;
}

.lesson-rung {
  position: relative;
  display: grid;
}

.lesson-rung.left {
  justify-items: start;
}

.lesson-rung.right {
  justify-items: end;
}

.lesson-node {
  width: min(100%, 360px);
  min-height: 102px;
  border-radius: 26px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(48, 40, 69, 0.86), rgba(34, 31, 44, 0.92));
  border: 1px solid rgba(187, 159, 255, 0.12);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.lesson-node.active {
  border-color: rgba(215, 184, 98, 0.48);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.28), inset 0 0 0 1px rgba(215, 184, 98, 0.18);
  background: linear-gradient(180deg, rgba(62, 48, 84, 0.94), rgba(36, 30, 48, 0.94));
}

.lesson-node.completed {
  border-color: rgba(129, 182, 76, 0.4);
  background: linear-gradient(180deg, rgba(44, 67, 37, 0.92), rgba(31, 42, 27, 0.94));
}

.lesson-node.locked {
  background: linear-gradient(180deg, rgba(50, 51, 57, 0.88), rgba(34, 36, 40, 0.94));
  border-color: rgba(255, 255, 255, 0.05);
}

.lesson-node-step {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #f8f0d1;
  font-size: 0.8rem;
  font-weight: 900;
}

.lesson-node-body {
  display: grid;
  gap: 6px;
}

.lesson-node-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.lesson-node-badge,
.lesson-node-hint {
  align-self: center;
  font-size: 1rem;
  color: #f4f4f4;
}

.lesson-connector {
  position: absolute;
  width: 80px;
  height: 38px;
  border: 2px dashed rgba(203, 181, 255, 0.24);
  border-top: none;
  top: 86px;
}

.lesson-connector.right {
  right: 54px;
  border-left: none;
  border-bottom-right-radius: 28px;
}

.lesson-connector.left {
  left: 54px;
  border-right: none;
  border-bottom-left-radius: 28px;
}

.learn-tier-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
}

.learn-tier-copy {
  display: grid;
  gap: 4px;
}

.puzzle-section-card.stage-card {
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 84px;
  align-items: center;
}

.puzzle-stage-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 1.2rem;
}

.puzzle-section-card.hall-stage {
  background: linear-gradient(180deg, rgba(109, 89, 31, 0.26), rgba(255, 255, 255, 0.03));
}

.leaderboard-tab-row,
.leaderboard-scope-row,
.arena-tier-pill-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.leaderboard-scope-row {
  margin-top: -4px;
}

.leaderboard-world-table {
  gap: 12px;
}

.leaderboard-grid-main {
  grid-template-columns: 72px minmax(180px, 1.25fr) repeat(4, minmax(88px, 0.75fr));
}

.leaderboard-grid-arena-global {
  grid-template-columns: 72px minmax(190px, 1.15fr) minmax(120px, 0.9fr) repeat(3, minmax(84px, 0.7fr));
}

.leaderboard-grid-arena-local {
  grid-template-columns: 72px minmax(200px, 1.2fr) repeat(4, minmax(84px, 0.72fr));
}

.leaderboard-grid.is-me,
.compact-row-entry.is-me {
  border-color: rgba(215, 184, 98, 0.46);
  box-shadow: inset 0 0 0 1px rgba(215, 184, 98, 0.14);
}

.compact-row-entry {
  grid-template-columns: 62px minmax(0, 1fr) auto !important;
}

.promotion-line {
  border-color: rgba(129, 182, 76, 0.52);
  box-shadow: inset 0 0 0 1px rgba(129, 182, 76, 0.18);
}

.arena-tier-summary {
  display: grid;
  gap: 12px;
}

.arena-tier-focus,
.arena-tier-rules {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.03);
}

.arena-tier-focus {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.arena-tier-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.arena-tier-pill.active {
  color: var(--text);
  border-color: rgba(129, 182, 76, 0.42);
  background: rgba(129, 182, 76, 0.14);
}

.arena-tier-cell {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#arena-reset-copy {
  color: var(--soft);
}

@media (max-width: 1100px) {
  .welcome-auth-grid,
  .xp-modal-hero,
  .review-shell,
  .leaderboard-layout,
  .training-layout,
  .puzzle-stage-layout {
    grid-template-columns: 1fr;
  }

  .welcome-auth-divider {
    order: 2;
  }

  .leaderboard-grid-main,
  .leaderboard-grid-arena-global,
  .leaderboard-grid-arena-local {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-header.leaderboard-grid-main,
  .table-header.leaderboard-grid-arena-global,
  .table-header.leaderboard-grid-arena-local {
    display: none;
  }
}

@media (max-width: 720px) {
  .lesson-node,
  .lesson-rung.left,
  .lesson-rung.right {
    width: 100%;
  }

  .lesson-connector {
    display: none;
  }

  .welcome-auth-grid {
    grid-template-columns: 1fr;
  }
}


/* --- Legend QoL pass --- */
.connection-pill.warning {
  background: rgba(240, 185, 11, 0.16);
  color: #f6d56b;
  border-color: rgba(240, 185, 11, 0.3);
}
.interactive-league-card {
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
}
.interactive-league-card:hover {
  transform: translateY(-1px);
  border-color: rgba(145, 201, 87, 0.38);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.bot-summary-card.enhanced {
  display: flex;
  gap: 14px;
  align-items: center;
}
.bot-summary-copy {
  display: grid;
  gap: 6px;
}
.bot-engine-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  width: fit-content;
  border-radius: 999px;
  background: rgba(145, 201, 87, 0.16);
  border: 1px solid rgba(145, 201, 87, 0.22);
  color: #dff2b7;
  font-size: 0.82rem;
  font-weight: 600;
}
.arena-summary-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* --- Grand master polish patch --- */
.role-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.45rem;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  vertical-align: middle;
}

.role-badge.owner {
  color: #111;
  background: linear-gradient(135deg, #f8df73, #dba833);
}

.role-badge.admin {
  color: #fff;
  background: linear-gradient(135deg, #7b68ee, #4b3cb8);
}

.role-badge.mod {
  color: #fff;
  background: linear-gradient(135deg, #4aa0ff, #2563eb);
}

.lesson-training-board {
  width: min(100%, 360px);
  min-width: 280px;
  aspect-ratio: 1;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06), 0 24px 44px rgba(0,0,0,0.24);
}

.lesson-modal-card {
  max-width: 980px;
}

.lesson-modal-layout {
  gap: 1.25rem;
}

.lesson-modal-hero {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

.lesson-modal-help {
  margin-top: 0.85rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.lesson-task-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.lesson-task-card.current {
  border-color: rgba(138, 197, 90, 0.55);
  box-shadow: 0 0 0 1px rgba(138, 197, 90, 0.3) inset;
}

.lesson-task-card.done {
  background: rgba(138, 197, 90, 0.12);
}

.lesson-bullet-stack {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.85rem;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.02);
}

.admin-panel.hidden {
  display: none;
}

.admin-console-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.9rem;
  margin-top: 1rem;
}

.admin-command-output {
  margin-top: 0.9rem;
  min-height: 52px;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-muted);
}

.admin-command-output.success {
  border-color: rgba(138, 197, 90, 0.35);
  color: var(--text-main);
}

.admin-command-output.error {
  border-color: rgba(239, 101, 101, 0.35);
  color: #ffd8d8;
}

.review-advice-note {
  margin-top: 0.7rem;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 920px) {
  .lesson-modal-hero {
    grid-template-columns: 1fr;
  }

  .lesson-training-board {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }

  .admin-console-row {
    grid-template-columns: 1fr;
  }
}