/* Accessibility/polish layer kept separate from the compact core stylesheet. */
:root {
  --surface-1: #171f38;
  --surface-2: #202a48;
  --surface-3: #2a3555;
  --line-soft: #ffffff18;
  --focus: #f7f8ff;
  --success: #65dfc8;
  --warning: #ffc857;
  --mission: #9a72ff;
  --radius-control: 14px;
  --radius-panel: 24px;
  --motion-fast: 160ms;
}
.svg-sprite { position: fixed; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.ui-icon { width: 1.35em; height: 1.35em; display: inline-block; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.icon-only { display: grid; place-items: center; min-width: 48px; min-height: 48px; }
.icon-btn { display: grid; place-items: center; }
.icon-btn .ui-icon { width: 25px; height: 25px; }
.tools button > .ui-icon { width: 24px; height: 24px; margin: 0 auto 3px; }
.modal-x { width: 44px; height: 44px; display: grid; place-items: center; }
.modal-x .ui-icon { width: 22px; height: 22px; }
.primary,.soft,.daily-card,.icon-btn,.tools button { transition: transform var(--motion-fast), filter var(--motion-fast), background var(--motion-fast); }
.primary:active,.soft:active,.daily-card:active,.icon-btn:active,.tools button:active { transform: translateY(1px) scale(.985); }
@media (hover:hover) { .primary:hover,.soft:hover,.daily-card:hover,.icon-btn:hover,.tools button:hover { filter: brightness(1.09); } }
.cell.target::after {
  content: attr(data-symbol);
  inset: 23%;
  display: grid;
  place-items: center;
  color: #11182a;
  font-size: clamp(14px, 4vw, 25px);
  font-weight: 900;
}
.piece::after {
  content: attr(data-symbol);
  width: 45%;
  height: 45%;
  display: grid;
  place-items: center;
  color: #17203a;
  font-size: clamp(14px, 4vw, 25px);
  font-weight: 900;
}
.chapter-title {
  grid-column: 1 / -1;
  margin: 14px 4px 0;
  color: #aeb8d9;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.level-card .lock-mark { font-size: 13px; opacity: .8; }
.piece:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
  filter: brightness(1.15);
}

/* Mission, progression and daily layers. */
.menu-screen .total-stars { margin-bottom: 0; }
.menu-screen .mastery-row { margin-bottom: auto; }
.brand-mark { width: 108px; height: 108px; }
.menu-row { width: min(420px, 100%); }
.menu-row > :last-child { flex: 0 0 56px; padding-inline: 10px; }
.daily-card {
  width: min(420px, 100%);
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 20px;
  text-align: left;
  border: 1px solid #65dfc844;
  background: #263a58;
  box-shadow: inset 0 1px #ffffff26, 0 10px 25px #05081755;
}
.daily-card small { display: block; margin-top: 2px; color: #c4cbed; font-size: 11px; }
.daily-card strong { display: grid; justify-items: center; color: #ffd361; font-size: 15px; line-height: 1; }
.daily-card strong small { color: #aeb8d9; font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.daily-glyph {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: #9a72ff;
  font-size: 23px;
}
.mastery-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; color: var(--muted); font-weight: 800; }
.mastery-row > div { padding: 7px 11px; border-radius: 12px; background: #1b2440; }
.badge-pill span { color: #b994ff; }
.mission-banner {
  width: 100%;
  max-width: 560px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  padding: 8px 12px;
  border: 1px solid #8b72ff66;
  border-radius: 15px;
  background: #2a2850;
}
.mission-banner > span { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 11px; background: #9a72ff; }
.mission-banner > span .ui-icon { width: 19px; height: 19px; }
.mission-banner div { min-width: 0; }
.mission-banner small { display: block; color: #b8bfe0; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.mission-banner b { display: block; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.leaderboard { display: grid; gap: 6px; margin: 12px 0; text-align: left; }
.leader-row { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; padding: 9px 10px; border-radius: 11px; background: #18213b; }
.leader-row.me { outline: 2px solid var(--accent); }
.leader-row small { color: var(--muted); }
.progress-card { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: 10px 0; }
.progress-card div { padding: 10px 5px; border-radius: 12px; background: #18213b; }
.progress-card b { display: block; font-size: 20px; }
.progress-card small { color: var(--muted); font-size: 10px; }

/* Action-based onboarding. It lives beside the board and never blocks the drag. */
.coach.tutorial-coach {
  width: 100%;
  max-width: 560px;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid #65dfc866;
  background: #eefcf9;
  color: #11243a;
  text-align: left;
}
.tutorial-step-mark { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: #d6f8f1; color: #167f77; }
.tutorial-step-mark .ui-icon { width: 19px; height: 19px; }
.tutorial-copy b { display: block; font-size: 13px; }
.tutorial-copy small { display: block; margin-top: 2px; color: #4f6476; font-size: 10px; }
.tutorial-skip { min-width: 44px; min-height: 44px; display: grid; place-items: center; border-radius: 12px; background: #dce8e7; color: #26485a; }
.tutorial-skip .ui-icon { width: 19px; height: 19px; }
.board.tutorial-active .piece:not(.tutorial-focus) { opacity: .38; }
.piece.tutorial-focus { outline: 4px solid #fff; outline-offset: 3px; animation: tutorialPiece 1.1s ease-in-out infinite; }
.cell.tutorial-target { outline: 4px solid #fff; outline-offset: -5px; animation: tutorialTarget 1.1s ease-in-out infinite; }
@keyframes tutorialPiece { 50% { filter: brightness(1.35); transform: scale(1.05); } }
@keyframes tutorialTarget { 50% { filter: brightness(1.35); } }

/* Result report: score first, supporting progress second, actions last. */
.modal-card.result-mode { width: min(470px,100%); padding: 24px; text-align: left; }
.modal-card.result-mode .modal-icon { margin-inline: auto; }
.modal-card.result-mode h2 { text-align: center; }
.result-summary { display: grid; gap: 10px; }
.result-score { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px; padding: 14px 16px; border-radius: var(--radius-control); background: #17213c; }
.result-score small { display: block; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.result-score strong { display: block; margin-top: 2px; font-size: 30px; line-height: 1; }
.result-stars { color: #ffd361; font-size: 24px; letter-spacing: 2px; }
.result-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.result-metrics div { padding: 10px 7px; border: 1px solid var(--line-soft); border-radius: var(--radius-control); background: #1a2541; text-align: center; }
.result-metrics b { display: block; font-size: 17px; }
.result-metrics small { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.result-reward { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-control); background: #173d3d; color: #c9fff4; }
.result-reward .ui-icon { flex: 0 0 auto; color: var(--success); }
.result-reward b { display: block; font-size: 12px; }
.result-reward small { display: block; margin-top: 2px; color: #93d7ca; font-size: 10px; }
.result-progress { display: grid; gap: 5px; }
.result-progress-line { display: flex; justify-content: space-between; color: #c6cdea; font-size: 11px; }
.result-progress-track { height: 7px; overflow: hidden; border-radius: 4px; background: #11182d; }
.result-progress-track i { display: block; height: 100%; border-radius: inherit; background: var(--success); transition: width .45s ease; }
.result-mode #modal-actions { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; margin-top: 10px; }
.result-mode #modal-actions button { width: auto; min-height: 48px; margin: 0; padding: 11px 12px; }
.result-mode #modal-actions .primary { grid-column: 1 / -1; }
.result-mode #modal-actions .wide { grid-column: 1 / -1; }
.result-mode #modal-actions .ui-icon { margin-right: 5px; }
@media (max-height: 680px) {
  .menu-screen { gap: 9px; }
  .menu-screen .brand-mark { width: 72px; height: 72px; }
  .menu-screen h1 { font-size: 34px; margin-top: 2px; }
  .daily-card { padding-block: 8px; }
  .mission-banner { padding-block: 5px; margin-bottom: 2px; }
  .coach.tutorial-coach { padding-block: 5px; }
  .board { width: min(84vw, calc(100dvh - 244px), 490px); }
  .modal-card.result-mode { padding: 18px; }
  .result-summary { gap: 7px; }
  .result-score { padding-block: 10px; }
  .result-score strong { font-size: 25px; }
  .result-metrics div { padding-block: 7px; }
}
@media (orientation: landscape) and (max-height: 520px) {
  #game { grid-template-rows: auto auto auto 1fr auto; }
  .mission-banner { grid-column: 1; }
  .board-wrap { grid-row: 1 / 6; }
  .board { width: min(68vh, 48vw); }
}