@media (max-width: 1100px), (max-height: 820px) {
  .home-layout {
    overflow-y: auto;
  }

  .hero-panel {
    padding: clamp(20px, 3vw, 34px);
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
  }

  .hero-mascot img {
    max-height: 330px;
  }
}

@media (max-width: 980px) {
  .home-layout {
    grid-template-columns: 1fr;
    grid-template-rows: max-content max-content;
    height: 100%;
    min-height: 0;
    gap: 14px;
  }

  .hero-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(150px, 0.85fr);
    min-height: max-content;
  }

  .side-column {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    min-height: max-content;
  }

  .level-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .game-screen {
    grid-template-columns: minmax(170px, 0.55fr) minmax(320px, 1.45fr);
  }

  .game-control-side {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }

  .game-control-side .control-stack {
    grid-template-columns: repeat(4, 1fr);
  }

  .game-control-side .control-stack button {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .topbar {
    height: calc(64px + var(--safe-top));
    grid-template-columns: 44px 1fr auto;
    padding-bottom: 8px;
  }

  .brand-lockup img {
    height: 40px;
  }

  .icon-button {
    width: 44px;
    height: 44px;
    border-radius: 13px;
  }

  .screen-root {
    height: calc(100dvh - 64px - var(--safe-top));
    padding: 8px 10px calc(10px + var(--safe-bottom));
  }

  .hero-panel {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .hero-mascot {
    order: -1;
  }

  .hero-mascot img {
    width: 132px;
    max-height: 180px;
  }

  .mascot-bubble {
    top: 0;
    right: 8%;
    font-size: 0.74rem;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy p {
    margin-inline: auto;
  }

  .hero-badges {
    justify-content: center;
    margin: 12px 0;
  }

  .button-stack {
    margin-top: 14px;
  }

  .side-column {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  .quick-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .quick-grid button {
    min-height: 72px;
    padding: 7px;
    font-size: 0.72rem;
  }

  .stats-card {
    overflow: visible;
  }

  .panel {
    border-width: 3px;
    border-radius: 24px;
  }

  .card {
    border-width: 2.5px;
  }

  .screen-heading {
    align-items: start;
    flex-direction: column;
    gap: 9px;
  }

  .level-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .level-card {
    min-height: 124px;
    padding: 13px 10px;
  }

  .level-number {
    font-size: 1.7rem;
  }

  .level-title {
    font-size: 0.78rem;
  }

  .game-screen {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 8px;
    overflow: hidden;
  }

  .game-info-side {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .game-info-side .mascot-card {
    display: none;
  }

  .hud-card,
  .turn-card {
    padding: 10px;
  }

  .hud-value {
    font-size: 1.3rem;
  }

  .mission-list {
    display: none;
  }

  .board-panel {
    min-height: 0;
    padding: 9px;
    border-radius: 20px;
  }

  .board-topline {
    margin-bottom: 3px;
  }

  .board-wrap {
    min-height: 0;
    overflow: hidden;
  }

  .board {
    inline-size: min(100%, 43dvh);
    block-size: auto;
    gap: 7px;
    padding: 4px;
  }

  .game-control-side {
    grid-column: auto;
    display: block;
  }

  .game-control-side > .hud-card {
    display: none;
  }

  .game-control-side .control-stack {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 0;
  }

  .control-stack button {
    min-height: 46px;
    padding: 6px;
    font-size: 0.75rem;
    border-radius: 13px;
  }

  .game-control-side .card {
    box-shadow: none;
    background: transparent;
    border: 0;
  }

  .board-footer {
    font-size: 0.7rem;
    margin-top: 2px;
    min-height: 26px;
  }

  .cell {
    border-width: 3px;
    box-shadow: 0 4px 0 #9fb9b3;
    border-radius: 14px;
  }
}

@media (max-width: 430px) {
  .topbar {
    grid-template-columns: 44px 1fr auto;
    gap: 5px;
    padding-inline: 7px;
  }

  .topbar-actions {
    gap: 4px;
  }

  .icon-button {
    width: 44px;
    height: 44px;
    font-size: 1.05rem;
  }

  .brand-lockup img {
    height: 32px;
  }

  .screen-root {
    padding-inline: 6px;
  }

  .hero-panel {
    padding: 16px;
  }

  .hero-copy h1 {
    font-size: 2.15rem;
  }

  .hero-copy p {
    font-size: 0.88rem;
    line-height: 1.42;
  }

  .pill {
    font-size: 0.68rem;
    padding: 5px 7px;
  }

  .primary-button,
  .secondary-button,
  .soft-button {
    min-height: 48px;
    border-radius: 14px;
  }

  .quick-card,
  .stats-card {
    padding: 13px;
  }

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

  .stat-grid {
    gap: 6px;
  }

  .stat-item strong {
    font-size: 1.15rem;
  }

  .level-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .level-card {
    min-height: 112px;
  }

  .turn-chip {
    padding: 5px 8px;
    font-size: 0.72rem;
  }

  .board-topline {
    font-size: 0.72rem;
  }

  .board-status {
    font-size: 0.66rem;
    padding: 4px 7px;
  }

  .board {
    inline-size: min(100%, 41dvh);
    gap: 5px;
    padding: 2px;
  }

  .cell {
    border-radius: 12px;
  }

  .modal-card {
    padding: 17px;
  }

  .modal-actions {
    grid-template-columns: 1fr;
  }

  .modal-actions .full {
    grid-column: auto;
  }
}

@media (max-height: 650px) and (orientation: portrait) {
  .game-screen {
    gap: 5px;
  }

  .game-info-side {
    gap: 5px;
  }

  .hud-card,
  .turn-card {
    padding: 7px 9px;
  }

  .hud-card h2 {
    font-size: 0.88rem;
  }

  .eyebrow {
    font-size: 0.65rem;
  }

  .board {
    inline-size: min(100%, 37dvh);
    gap: 4px;
  }

  .board-footer {
    display: none;
  }

  .control-stack button {
    min-height: 42px;
  }
}

@media (max-height: 650px) and (orientation: landscape) {
  .topbar {
    height: 56px;
    padding-top: 6px;
  }

  .brand-lockup img {
    height: 34px;
  }

  .screen-root {
    height: calc(100dvh - 56px);
    padding-block: 5px;
  }

  .home-layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 10px;
  }

  .hero-panel {
    grid-template-columns: 1.25fr 0.75fr;
    padding: 18px;
  }

  .hero-mascot img {
    max-height: 230px;
  }

  .side-column {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

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

  .game-screen {
    grid-template-columns: 180px minmax(280px, 1fr) 180px;
    grid-template-rows: 1fr;
    gap: 8px;
  }

  .game-info-side {
    display: grid;
    grid-template-columns: 1fr;
  }

  .game-info-side .mascot-card {
    display: none;
  }

  .game-control-side {
    grid-column: auto;
    display: grid;
    grid-template-columns: 1fr;
  }

  .game-control-side .control-stack {
    grid-template-columns: 1fr;
  }

  .game-control-side .control-stack button span:last-child {
    display: inline;
  }

  .mission-list {
    display: grid;
  }

  .board {
    inline-size: min(100%, 76dvh);
  }
}

/* Short-landscape stability: keep the board and controls inside the viewport. */
@media (max-height: 650px) and (orientation: landscape) {
  .home-layout {
    grid-template-columns: 1fr;
    grid-template-rows: max-content max-content;
    gap: 8px;
  }

  .hero-panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(112px, 0.65fr);
    padding: 10px 12px;
    gap: 8px;
  }

  .hero-mascot {
    order: 0;
  }

  .hero-mascot img {
    width: min(100%, 160px);
    max-height: 174px;
  }

  .mascot-bubble {
    top: 0;
    right: 0;
    padding: 5px 8px;
    font-size: 0.62rem;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-copy h1 {
    margin: 3px 0 5px;
    font-size: clamp(1.55rem, 4vw, 2.15rem);
    line-height: 0.96;
  }

  .hero-copy p {
    margin: 0;
    font-size: 0.72rem;
    line-height: 1.28;
  }

  .hero-badges {
    justify-content: flex-start;
    gap: 4px;
    margin: 6px 0;
  }

  .hero-badges .pill {
    padding: 3px 6px;
    font-size: 0.56rem;
    border-width: 1.5px;
  }

  .button-stack {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 7px;
  }

  .button-stack .primary-button,
  .button-stack .secondary-button {
    min-height: 40px;
    padding: 5px 8px;
    border-width: 2px;
    border-radius: 12px;
    box-shadow: 0 4px 0 rgba(7, 26, 36, 0.45);
    font-size: 0.69rem;
  }

  .side-column {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    overflow: visible;
    gap: 8px;
  }

  .quick-card,
  .stats-card {
    padding: 10px;
  }

  .quick-grid button {
    min-height: 52px;
  }

  .game-screen {
    grid-template-columns: minmax(126px, 0.58fr) minmax(208px, 1fr) minmax(126px, 0.58fr);
    grid-template-rows: minmax(0, 1fr);
    gap: 6px;
    overflow: hidden;
  }

  .game-info-side,
  .game-control-side {
    min-width: 0;
    overflow: hidden;
  }

  .game-info-side {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    align-content: start;
    gap: 5px;
  }

  .game-info-side .mission-list,
  .game-info-side .mascot-card,
  .game-control-side > .hud-card {
    display: none;
  }

  .hud-card,
  .turn-card {
    padding: 7px 8px;
    border-radius: 14px;
  }

  .hud-card h2 {
    font-size: 0.77rem;
  }

  .hud-value {
    font-size: 1.1rem;
  }

  .turn-chip {
    margin-top: 4px;
    padding: 4px 6px;
    font-size: 0.65rem;
  }

  .mini-symbol {
    width: 18px;
    height: 18px;
  }

  .board-panel {
    padding: 6px;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: hidden;
  }

  .board-topline {
    margin-bottom: 2px;
    font-size: 0.67rem;
  }

  .board-topline strong {
    font-size: 0.75rem;
  }

  .board-status {
    padding: 3px 6px;
    border-width: 1.5px;
    font-size: 0.6rem;
  }

  .board-wrap {
    min-height: 0;
    overflow: hidden;
    box-sizing: border-box;
    padding: 0 2px 4px;
    container-type: size;
  }

  .board {
    inline-size: min(100%, calc(100dvh - 108px));
    block-size: min(100%, calc(100dvh - 108px));
    max-inline-size: 100%;
    max-block-size: 100%;
    gap: 4px;
    padding: 2px;
  }

  @supports (inline-size: 1cqw) {
    .board {
      inline-size: min(100cqw, 100cqh);
      block-size: min(100cqw, 100cqh);
    }
  }

  .board-footer {
    display: none;
  }

  .cell {
    border-width: 2.5px;
    border-radius: 10px;
    box-shadow: 0 3px 0 #9fb9b3;
  }

  .game-control-side {
    display: block;
  }

  .game-control-side .control-stack {
    height: 100%;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, minmax(0, 1fr));
    gap: 5px;
    padding: 0;
  }

  .game-control-side .control-stack button {
    min-height: 0;
    height: 100%;
    padding: 3px 5px;
    border-radius: 10px;
    font-size: 0.64rem;
    line-height: 1;
  }
}

@media (max-height: 650px) and (orientation: landscape) and (max-width: 620px) {
  .game-screen {
    grid-template-columns: 118px minmax(198px, 1fr) 118px;
    gap: 5px;
  }

  .game-control-side .control-stack button span:last-child {
    display: none;
  }

  .game-control-side .control-stack button {
    font-size: 0.9rem;
  }
}

/* v1.2.0 final home-screen viewport containment */
@media (min-width: 721px) and (max-height: 820px) {
  .home-layout { overflow: hidden; }
  .hero-panel { padding: 18px 26px; gap: 8px; }
  .hero-copy h1 { font-size: clamp(2.3rem, 4.4vw, 3.55rem); line-height: .93; margin: 4px 0 8px; }
  .hero-copy p { font-size: .95rem; line-height: 1.38; }
  .hero-badges { margin: 9px 0; gap: 6px; }
  .pill { padding: 5px 8px; font-size: .72rem; }
  .button-stack { margin-top: 11px; gap: 8px; }
  .button-stack .primary-button,
  .button-stack .secondary-button { min-height: 46px; padding: 8px 12px; }
  .hero-mascot img { max-height: 245px; width: min(100%, 245px); }
  .mascot-bubble { padding: 7px 10px; font-size: .78rem; }
  .quick-card { padding: 14px; }
  .quick-card h2 { margin-bottom: 8px; }
  .quick-grid { gap: 8px; }
  .quick-grid button { min-height: 64px; padding: 8px; }
  .stats-card { padding: 14px; gap: 9px; overflow: hidden; }
  .progress-ring { width: 54px; height: 54px; }
  .stat-item { padding: 9px 6px; }
  .daily-strip { padding: 10px; }
}

@media (max-width: 720px) {
  .home-layout {
    overflow: hidden;
    grid-template-rows: auto auto;
    gap: 8px;
  }
  .hero-panel {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: center;
    padding: 11px 12px;
    gap: 10px;
  }
  .hero-mascot {
    order: 0;
    grid-column: 1;
    grid-row: 1;
  }
  .hero-mascot img {
    width: 84px;
    max-height: 112px;
  }
  .mascot-bubble { display: none; }
  .hero-copy {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
    min-width: 0;
  }
  .hero-copy .eyebrow { font-size: .62rem; letter-spacing: .13em; }
  .hero-copy h1 {
    font-size: clamp(1.55rem, 7vw, 2rem);
    line-height: .96;
    margin: 3px 0 6px;
    letter-spacing: -.035em;
  }
  .hero-copy > p:not(.eyebrow) { display: none; }
  .hero-badges {
    justify-content: flex-start;
    margin: 6px 0;
    gap: 4px;
  }
  .pill { font-size: .57rem; padding: 3px 5px; border-width: 1.5px; }
  .button-stack { margin-top: 7px; gap: 6px; }
  .button-stack .primary-button,
  .button-stack .secondary-button {
    min-height: 40px;
    padding: 5px 7px;
    border-width: 2px;
    border-radius: 11px;
    box-shadow: 0 4px 0 rgba(7, 26, 36, .38);
    font-size: .72rem;
    gap: 5px;
  }
  .side-column {
    display: block;
    min-height: 0;
  }
  .stats-card { display: none; }
  .quick-card { padding: 9px 10px; }
  .quick-card h2 { font-size: 1rem; margin-bottom: 6px; }
  .quick-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
  .quick-grid button {
    min-height: 58px;
    padding: 5px;
    font-size: .68rem;
    border-width: 2px;
    border-radius: 11px;
    box-shadow: 0 4px 0 #b8c8ca;
  }
  .quick-icon-img { width: 20px; height: 20px; }
}

@media (max-width: 350px), (max-height: 600px) and (orientation: portrait) {
  .screen-root { padding-top: 5px; padding-bottom: 5px; }
  .home-layout { gap: 5px; }
  .hero-panel { grid-template-columns: 66px minmax(0, 1fr); padding: 7px 8px; gap: 7px; }
  .hero-mascot img { width: 64px; max-height: 86px; }
  .hero-copy .eyebrow { display: none; }
  .hero-copy h1 { font-size: 1.38rem; margin: 0 0 4px; }
  .hero-badges { margin: 4px 0; }
  .pill { font-size: .5rem; padding: 2px 4px; }
  .button-stack { margin-top: 4px; gap: 4px; }
  .button-stack .primary-button,
  .button-stack .secondary-button { min-height: 34px; font-size: .64rem; padding: 3px 5px; }
  .quick-card { padding: 7px 8px; }
  .quick-card h2 { font-size: .88rem; margin-bottom: 4px; }
  .quick-grid { gap: 4px; }
  .quick-grid button { min-height: 48px; font-size: .6rem; padding: 3px; }
  .quick-icon-img { width: 17px; height: 17px; }
}