/* Desktop-only presentation. Mobile keeps the original portrait viewport. */
.ki-desktop-rail,
.ki-desktop-actions {
  display: none;
}

@media (min-width: 700px) and (min-aspect-ratio: 1/1) and (hover: hover) and (pointer: fine) {
  html.ki-desktop body {
    display: grid;
    place-items: center;
    background:
      radial-gradient(circle at 50% 18%, rgba(229, 205, 145, 0.13), transparent 25%),
      linear-gradient(110deg, rgba(208, 171, 94, 0.07), transparent 27% 73%, rgba(208, 171, 94, 0.06)),
      repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 16px),
      radial-gradient(ellipse at 50% 42%, #343a45 0%, #1c222c 48%, #10141b 100%);
  }

  html.ki-desktop body::before {
    position: fixed;
    inset: 0;
    background:
      linear-gradient(90deg, transparent 0 49.94%, rgba(221, 190, 124, 0.08) 50%, transparent 50.06%),
      radial-gradient(circle at 50% 50%, transparent 0 44%, rgba(0, 0, 0, 0.35) 100%);
    content: "";
    pointer-events: none;
  }

  html.ki-desktop #GameDiv {
    position: relative;
    isolation: isolate;
    width: min(60dvh, calc(100vw - 320px));
    height: min(100dvh, calc((100vw - 320px) / 0.6));
    overflow: hidden;
    border-radius: clamp(14px, 1.8dvh, 24px);
    box-shadow:
      0 0 0 1px rgba(255, 255, 255, 0.2),
      0 0 0 6px #0b0e13,
      0 0 0 7px rgba(215, 184, 118, 0.28),
      0 28px 90px rgba(0, 0, 0, 0.72),
      0 8px 28px rgba(0, 0, 0, 0.55);
  }

  html.ki-desktop #GameDiv::after {
    position: absolute;
    z-index: 3;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: inherit;
    box-shadow: inset 0 0 42px rgba(18, 22, 29, 0.2);
    content: "";
    pointer-events: none;
  }

  html.ki-desktop #Cocos2dGameContainer,
  html.ki-desktop #GameCanvas {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  html.ki-desktop #GameCanvas {
    display: block;
    border-radius: inherit;
    box-shadow: none;
    cursor: crosshair;
  }

  html.ki-desktop #status {
    font-family: "KingKai", "Noto Serif SC", serif;
    letter-spacing: 0.08em;
  }

  .ki-desktop-rail {
    display: block;
    position: fixed;
    z-index: 20;
    top: 50%;
    color: #f1ead8;
    transform: translateY(-50%);
    pointer-events: none;
  }

  .ki-desktop-rail--left {
    left: clamp(22px, 4vw, 64px);
    width: min(270px, 20vw);
    text-align: left;
  }

  .ki-desktop-brand {
    margin: 0 0 9px;
    color: #d8b66b;
    font: 700 10px/1.2 sans-serif;
    letter-spacing: 0.24em;
  }

  .ki-desktop-rail h1 {
    margin: 0;
    font: 700 clamp(28px, 2.5vw, 42px)/1.02 "KingKai", "Noto Serif SC", serif;
    letter-spacing: 0.05em;
    text-shadow: 0 3px 18px rgba(0, 0, 0, 0.4);
  }

  .ki-desktop-rail h1 span {
    display: inline-block;
    margin-left: 7px;
    color: #dfbf7a;
    font: 700 11px/1 sans-serif;
    letter-spacing: 0.16em;
    vertical-align: middle;
  }

  .ki-desktop-copy {
    max-width: 245px;
    margin: 16px 0 18px;
    color: #b8b2a6;
    font: 13px/1.75 "Noto Serif SC", serif;
  }

  .ki-desktop-tips {
    display: grid;
    gap: 8px;
    margin: 0;
  }

  .ki-desktop-tips div {
    display: grid;
    grid-template-columns: 66px 1fr;
    align-items: center;
    gap: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(225, 198, 137, 0.16);
  }

  .ki-desktop-tips dt,
  .ki-desktop-tips dd {
    margin: 0;
  }

  .ki-desktop-tips dt {
    color: #dfc27f;
    font: 700 11px/1.4 sans-serif;
    letter-spacing: 0.08em;
  }

  .ki-desktop-tips dd {
    color: #c9c3b6;
    font: 12px/1.5 "Noto Serif SC", serif;
  }

  .ki-desktop-actions {
    display: grid;
    position: fixed;
    z-index: 21;
    top: 50%;
    right: clamp(18px, 4vw, 64px);
    display: grid;
    width: min(210px, 18vw);
    gap: 9px;
    transform: translateY(-50%);
  }

  .ki-desktop-action {
    display: grid;
    grid-template-columns: 34px 1fr;
    align-items: center;
    min-height: 48px;
    padding: 7px 11px;
    color: #efe8d6;
    border: 1px solid rgba(226, 197, 133, 0.28);
    border-radius: 12px;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.065), transparent 54%),
      rgba(22, 27, 35, 0.82);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    font: 700 14px/1.2 "KingKai", "Noto Serif SC", serif;
    text-align: left;
    cursor: pointer;
    backdrop-filter: blur(12px);
  }

  .ki-desktop-action:hover {
    color: #fff5d8;
    border-color: rgba(231, 198, 124, 0.62);
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 54%),
      rgba(38, 42, 48, 0.92);
  }

  .ki-desktop-action:active {
    transform: translateY(1px);
  }

  .ki-desktop-action:focus-visible {
    outline: 3px solid #f1cf83;
    outline-offset: 3px;
  }

  .ki-desktop-action i {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    color: #2b261d;
    border-radius: 9px;
    background: linear-gradient(145deg, #fff8dd, #d7b562);
    font: 700 14px/1 sans-serif;
    font-style: normal;
  }

  .ki-desktop-action small {
    display: block;
    margin-top: 3px;
    color: #999486;
    font: 10px/1.2 sans-serif;
    letter-spacing: 0.04em;
  }

  .ki-desktop-dialog {
    width: min(560px, calc(100vw - 40px));
    max-height: min(680px, calc(100dvh - 40px));
    padding: 0;
    color: #eee7d5;
    border: 1px solid rgba(225, 195, 128, 0.45);
    border-radius: 20px;
    background:
      radial-gradient(circle at 12% 0, rgba(218, 181, 100, 0.14), transparent 34%),
      linear-gradient(145deg, #282d36, #151920 74%);
    box-shadow: 0 28px 100px #000c;
    font-family: "KingKai", "Noto Serif SC", serif;
  }

  .ki-desktop-dialog::backdrop {
    background: rgba(5, 7, 10, 0.72);
    backdrop-filter: blur(5px);
  }

  .ki-desktop-dialog header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 24px 24px 16px;
    border-bottom: 1px solid rgba(225, 195, 128, 0.18);
  }

  .ki-desktop-dialog header p {
    margin: 0 0 5px;
    color: #c9a95f;
    font: 700 10px/1.2 sans-serif;
    letter-spacing: 0.18em;
  }

  .ki-desktop-dialog h2 {
    margin: 0;
    color: #fff5dd;
    font-size: 31px;
  }

  .ki-desktop-dialog button {
    min-width: 44px;
    min-height: 44px;
    color: #f5edda;
    border: 1px solid rgba(226, 197, 133, 0.3);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.055);
    font: 700 14px/1 "KingKai", serif;
    cursor: pointer;
  }

  .ki-desktop-dialog button:hover {
    background: rgba(255, 255, 255, 0.11);
  }

  .ki-desktop-dialog button:focus-visible {
    outline: 3px solid #f1cf83;
    outline-offset: 2px;
  }

  .ki-desktop-help-body {
    padding: 20px 24px 26px;
  }

  .ki-desktop-help-body > p {
    margin: 0 0 17px;
    color: #beb8aa;
    font-size: 14px;
    line-height: 1.7;
  }

  .ki-desktop-help-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 0;
  }

  .ki-desktop-help-grid div {
    padding: 14px;
    border: 1px solid rgba(226, 197, 133, 0.17);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
  }

  .ki-desktop-help-grid dt {
    color: #e3c575;
    font: 700 12px/1.3 sans-serif;
    letter-spacing: 0.08em;
  }

  .ki-desktop-help-grid dd {
    margin: 7px 0 0;
    color: #ddd6c7;
    font: 14px/1.55 "Noto Serif SC", serif;
  }
}

@media (min-width: 700px) and (max-width: 1120px) and (min-aspect-ratio: 1/1) and (hover: hover) and (pointer: fine) {
  html.ki-desktop .ki-desktop-rail--left {
    display: none;
  }

  html.ki-desktop #GameDiv {
    width: min(60dvh, calc(100vw - 240px));
    height: min(100dvh, calc((100vw - 240px) / 0.6));
  }

  html.ki-desktop .ki-desktop-actions {
    width: min(150px, calc(100vw - 24px));
  }
}

@media (min-width: 700px) and (max-width: 820px) and (min-aspect-ratio: 1/1) and (hover: hover) and (pointer: fine) {
  html.ki-desktop #GameDiv {
    width: min(60dvh, calc(100vw - 190px));
    height: min(100dvh, calc((100vw - 190px) / 0.6));
  }

  html.ki-desktop .ki-desktop-actions {
    right: 10px;
    width: 104px;
  }

  html.ki-desktop .ki-desktop-action {
    grid-template-columns: 1fr;
    padding: 7px;
    text-align: center;
  }

  html.ki-desktop .ki-desktop-action i {
    margin: 0 auto 5px;
  }

  html.ki-desktop .ki-desktop-action small {
    display: none;
  }

  html.ki-desktop .ki-desktop-help-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html.ki-desktop #GameDiv {
    animation: ki-desktop-stage-in 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  html.ki-desktop .ki-desktop-rail,
  html.ki-desktop .ki-desktop-actions {
    animation: ki-desktop-rail-in 520ms 90ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  @keyframes ki-desktop-stage-in {
    from {
      opacity: 0;
      transform: translateY(12px) scale(0.985);
    }
  }

  @keyframes ki-desktop-rail-in {
    from {
      opacity: 0;
      transform: translateY(calc(-50% + 12px));
    }
  }
}