/* IronTrail (the 3D board). Loaded only on the irontrail and irontrail-3d pages.
   Every rule is scoped under the mount div, #ironTrailApp or the older :is(#ironTrailApp, #ironTrail3dApp),
   so nothing leaks into the site. */

:is(#ironTrailApp, #ironTrail3dApp) {
    --it3-table: #0d0805;
    --it3-brass: #d9a441;
    max-width: 100%;
}
:is(#ironTrailApp, #ironTrail3dApp) .btn { min-height: 44px; }
:is(#ironTrailApp, #ironTrail3dApp) .btn-sm { min-height: 40px; }
:is(#ironTrailApp, #ironTrail3dApp) .btn:focus-visible,
:is(#ironTrailApp, #ironTrail3dApp) .form-control:focus-visible,
:is(#ironTrailApp, #ironTrail3dApp) .form-select:focus-visible { outline: 3px solid #003366; outline-offset: 2px; }

:is(#ironTrailApp, #ironTrail3dApp) .it3-layout { display: flex; flex-direction: column; gap: 12px; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-stage {
    position: relative;
    width: 100%;
    height: 56vh;
    height: min(56svh, 520px);
    min-height: 340px;
    scroll-margin-top: 8px;
    overflow: hidden;
    touch-action: none;
    background: var(--it3-table);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-stage canvas { display: block; width: 100%; height: 100%; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

@media (min-width: 992px) {
    :is(#ironTrailApp, #ironTrail3dApp) .it3-layout { flex-direction: row; align-items: stretch; }
    :is(#ironTrailApp, #ironTrail3dApp) .it3-stage {
        flex: 1 1 auto;
        width: auto;
        height: min(680px, calc(100vh - var(--header-height, 90px) - 48px));
        min-height: 480px;
    }
    :is(#ironTrailApp, #ironTrail3dApp) .it3-side {
        flex: 0 0 330px;
        max-height: min(680px, calc(100vh - var(--header-height, 90px) - 48px));
        overflow-y: auto;
    }
}

/* Overlays: the setup and final cards sit on the table, not in a page modal. */
:is(#ironTrailApp, #ironTrail3dApp) .it3-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: rgba(0, 0, 0, .55);
    overflow-y: auto;
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-overlay[hidden] { display: none; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-dialog { width: min(380px, 100%); max-height: 100%; overflow-y: auto; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-dialog .card-body { padding: 16px; }

:is(#ironTrailApp, #ironTrail3dApp) .it3-banner {
    position: absolute;
    left: 50%;
    top: 12px;
    z-index: 3;
    transform: translateX(-50%);
    max-width: calc(100% - 90px);
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .7);
    color: #fff;
    font-size: 1rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity .35s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-banner.show { opacity: 1; }
/* "+N" score chips: one per scorer, in the scorer's colour, side by side when shared. */
:is(#ironTrailApp, #ironTrail3dApp) .it3-pop {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    pointer-events: none;
    font-weight: bold;
    font-size: 1.35rem;
    line-height: 1;
    padding: 5px 11px 6px;
    border-radius: 999px;
    border: 2px solid currentColor;
    background: rgba(20, 13, 8, .85);
    text-shadow: 0 1px 2px #000;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .6);
    white-space: nowrap;
    opacity: 0;
    will-change: transform, opacity;
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-who { font-size: .8rem; font-weight: normal; margin-left: 5px; text-transform: capitalize; opacity: .9; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-delta { font-weight: bold; font-size: .95rem; padding: 1px 7px; border-radius: 999px; border: 1px solid currentColor; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-score.it3-bump { animation: it3-bump .5s ease-out; }
@keyframes it3-bump { 0% { transform: scale(1); } 35% { transform: scale(1.35); } 100% { transform: scale(1); } }
:is(#ironTrailApp, #ironTrail3dApp) .it3-compass {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    width: 58px;
    height: 58px;
    pointer-events: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .6));
}
@media (min-width: 992px) { :is(#ironTrailApp, #ironTrail3dApp) .it3-compass { width: 68px; height: 68px; } }

/* Tray: the tile in hand waits here until a square is chosen. */
:is(#ironTrailApp, #ironTrail3dApp) .it3-turn { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; font-weight: 600; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-chip { display: inline-block; flex: 0 0 auto; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(0, 0, 0, .4); }
:is(#ironTrailApp, #ironTrail3dApp) .it3-tray-main { display: flex; gap: 12px; align-items: center; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-tile-card {
    position: relative;
    flex: 0 0 auto;
    width: 96px;
    height: 116px;
    padding: 26px 6px 6px;
    border-radius: 12px;
    background: #3f6b3a;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, .3), 0 6px 14px rgba(0, 0, 0, .25);
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-tile-card.it3-shake { animation: it3-shake .4s; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-tile-card.it3-placed { opacity: .55; }
:is(#ironTrailApp, #ironTrail3dApp) #it3-preview { display: block; width: 84px; height: 84px; border-radius: 4px; transition: transform .25s ease; }
/* The N badge sits in its own strip above the tile art, so it never covers the tile edge. */
:is(#ironTrailApp, #ironTrail3dApp) .it3-n {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    font: bold .75rem/1 Georgia, serif;
    color: #3c2612;
    background: #efe4cf;
    border: 1px solid #6b4f2a;
    border-radius: 999px;
    padding: 2px 5px;
}
:is(#ironTrailApp, #ironTrail3dApp) .it3-tray-side { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 0; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-hint { font-size: .95rem; line-height: 1.35; color: var(--bs-secondary-color); }
@keyframes it3-shake { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(4px); } }

/* Scoreboard */
:is(#ironTrailApp, #ironTrail3dApp) .it3-player { display: flex; align-items: center; gap: 10px; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-player.current { border-left: 4px solid currentColor; background: #f8f5ef; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-name { text-transform: capitalize; color: var(--bs-body-color); font-weight: 600; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-score { margin-left: auto; font-size: 1.15rem; font-weight: bold; color: var(--bs-body-color); }
:is(#ironTrailApp, #ironTrail3dApp) .it3-crew { display: flex; gap: 3px; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-crew i { width: 7px; height: 12px; border-radius: 3px 3px 1px 1px; background: currentColor; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-crew i.off { opacity: .18; }

@media (prefers-reduced-motion: reduce) {
    :is(#ironTrailApp, #ironTrail3dApp) .it3-tile-card.it3-shake { animation: none; }
    :is(#ironTrailApp, #ironTrail3dApp) .it3-score.it3-bump { animation: none; }
    :is(#ironTrailApp, #ironTrail3dApp) #it3-preview, :is(#ironTrailApp, #ironTrail3dApp) .it3-banner { transition: none; }
}

/* The site sets p { margin: 15px }. Inside the game, Bootstrap spacing classes own the gaps. */
:is(#ironTrailApp, #ironTrail3dApp) p { margin-left: 0; margin-right: 0; margin-top: 0; }
:is(#ironTrailApp, #ironTrail3dApp) .it3-tray-main[hidden] { display: none; }