/* Targetsum (domain Targetsum): the cards of the home page, the example played by itself, the board of a draw (target,
   six tiles, operations, steps) and the recap of a result. Prefixed classes, colours from the tokens of neurostim.css only. */
.ts-sub { font-size: var(--ns-size-lg); font-weight: 400; }
.ts-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: var(--ns-space-4); margin: 0 0 var(--ns-space-5); }
.ts-card { display: flex; flex-direction: column; gap: var(--ns-space-2); }
.ts-card h2 { margin: 0; }
.ts-card p, .ts-card form { margin: 0; }
.ts-score { font-size: var(--ns-size-2xl); font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ns-text-strong); }
.ts-boards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr)); gap: 0 var(--ns-space-5); }
.ts-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--ns-space-2); margin: 0 0 var(--ns-space-3); }
.ts-actions form { margin: 0; }
.ts-actions > a { display: inline-flex; align-items: center; min-height: var(--ns-target, 44px); }
.ts-rules { margin-top: var(--ns-space-6); }

/* The example of the home page: 25 × 7 = 175, then 175 + 3 = 178, in a loop of 9 s. */
.ts-demo { max-width: 26rem; margin: 0 auto var(--ns-space-5); padding: var(--ns-space-3); text-align: center; background: var(--ns-tint); border: 1px solid var(--ns-border); border-radius: var(--ns-radius); }
.ts-demo p { margin: 0 0 var(--ns-space-2); }
.ts-demo-target strong { font-size: var(--ns-size-xl); color: var(--ns-accent-dark); font-variant-numeric: tabular-nums; }
.ts-demo-target span { color: var(--ns-muted); }
.ts-demo-tiles { display: flex; justify-content: center; gap: var(--ns-space-1); }
.ts-demo-tiles span { min-width: 2.6em; padding: .3em .2em; font-weight: 700; background: var(--ns-page, #fff); border: 2px solid var(--ns-border-strong); border-radius: var(--ns-radius-sm, 4px); }
.ts-demo-steps { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--ns-space-1) var(--ns-space-3); min-height: 1.6em; margin: 0 !important; font-variant-numeric: tabular-nums; }
.ts-demo-steps b { color: var(--ns-ok); }
.ts-d1 { animation: ts-d1 9s infinite; }
.ts-d2 { animation: ts-d2 9s infinite; }
.ts-d3 { animation: ts-d3 9s infinite; }
.ts-d4 { animation: ts-d4 9s infinite; }
.ts-d5 { animation: ts-d5 9s infinite; }
@keyframes ts-d3 { 0%, 8% { opacity: 1; border-color: var(--ns-border-strong); } 9%, 32% { color: var(--ns-on-accent, #fff); border-color: var(--ns-accent-dark); background: var(--ns-accent-dark); } 33%, 96% { opacity: .25; } }
@keyframes ts-d2 { 0%, 18% { opacity: 1; border-color: var(--ns-border-strong); } 19%, 32% { color: var(--ns-on-accent, #fff); border-color: var(--ns-accent-dark); background: var(--ns-accent-dark); } 33%, 96% { opacity: .25; } }
@keyframes ts-d1 { 0%, 45% { opacity: 1; border-color: var(--ns-border-strong); } 46%, 62% { color: var(--ns-on-accent, #fff); border-color: var(--ns-accent-dark); background: var(--ns-accent-dark); } 63%, 96% { opacity: .25; } }
@keyframes ts-d4 { 0%, 32% { opacity: 0; } 33%, 96% { opacity: 1; } 100% { opacity: 0; } }
@keyframes ts-d5 { 0%, 62% { opacity: 0; transform: scale(.9); } 63% { opacity: 1; transform: scale(1.15); } 66%, 96% { opacity: 1; transform: none; } 100% { opacity: 0; } }

/* The board of a draw. */
.ts-status { display: flex; justify-content: center; gap: var(--ns-space-5); margin: 0 0 var(--ns-space-3); font-variant-numeric: tabular-nums; }
.ts-status output { font-weight: 700; color: var(--ns-text-strong); }
.ts-game { width: min(100%, 34rem); margin: 0 auto var(--ns-space-4); text-align: center; }
.ts-board[hidden] { display: none; }
.ts-target { margin: 0 0 var(--ns-space-3); }
.ts-target span { display: block; color: var(--ns-muted); font-size: var(--ns-size-sm); text-transform: uppercase; letter-spacing: .08em; }
.ts-target strong { display: inline-block; min-width: 4ch; padding: 0 var(--ns-space-3); font-size: 3rem; line-height: 1.1; color: var(--ns-accent-dark); font-variant-numeric: tabular-nums; border-bottom: 4px solid var(--ns-accent); }
.ts-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--ns-space-2); margin: 0 0 var(--ns-space-3); }
.ts-tile { position: relative; min-height: 3.6rem; padding: 0; font-size: var(--ns-size-xl); font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ns-text-strong); background: var(--ns-page, #fff); border: 2px solid var(--ns-border-strong); border-radius: var(--ns-radius); box-shadow: var(--ns-shadow-sm, none); touch-action: manipulation; transition: transform .12s, background-color .12s; }
.ts-tile kbd { position: absolute; top: 2px; left: 4px; padding: 0; font-size: .6rem; font-weight: 400; color: var(--ns-muted); background: none; border: 0; box-shadow: none; }
.ts-tile:has(> span:empty) { visibility: hidden; }
.ts-tile.ts-on, .ts-tile.ts-on:hover { color: var(--ns-on-accent, #fff); background: var(--ns-accent-dark); border-color: var(--ns-accent-dark); transform: translateY(-3px); }
.ts-tile.ts-on kbd { color: inherit; }
.ts-tile.ts-new { animation: ts-pop .35s; }
.ts-tile.ts-hit, .ts-tile.ts-hit:disabled { background: var(--ns-ok-soft); border-color: var(--ns-ok); color: var(--ns-ok); visibility: visible; }
.ts-tile.ts-bad { animation: ts-shake .4s; border-color: var(--ns-error); }
.ts-ops { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--ns-space-2); margin: 0 0 var(--ns-space-3); }
.ts-op { min-height: var(--ns-target, 44px); font-size: var(--ns-size-xl); font-weight: 700; touch-action: manipulation; }
.ts-op.ts-on { background: var(--ns-accent); border-color: var(--ns-accent); color: var(--ns-on-accent, #fff); }
.ts-steps { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--ns-space-1) var(--ns-space-3); min-height: 1.5em; margin: 0 0 var(--ns-space-2); padding: 0; list-style: none; font-variant-numeric: tabular-nums; }
.ts-best { min-height: 1.5em; margin: 0 0 var(--ns-space-2); }
.ts-actions button { min-height: var(--ns-target, 44px); touch-action: manipulation; }
.ts-screen { min-height: 1.5em; margin: 0 0 var(--ns-space-3); font-size: var(--ns-size-lg); font-weight: 700; }
.ts-won .ts-screen { color: var(--ns-ok); animation: ts-pop .4s; }
.ts-go { margin: 0; }
.ts-go button[hidden] { display: none; }
@keyframes ts-pop { 0% { transform: scale(.8); } 60% { transform: scale(1.12); } 100% { transform: none; } }
@keyframes ts-shake { 0%, 100% { transform: none; } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@media (max-width: 30rem) {
    .ts-tiles { grid-template-columns: repeat(3, 1fr); }
    .ts-target strong { font-size: 2.5rem; }
}
/* A finger leaves the hover of the last tile touched: it would look chosen. */
@media (hover: none) {
    .ts-tile:hover:not(.ts-on):not(.ts-hit) { color: var(--ns-text-strong); background: var(--ns-page, #fff); border-color: var(--ns-border-strong); }
}
@media (prefers-reduced-motion: reduce) {
    .ts-d1, .ts-d2, .ts-d3, .ts-d4, .ts-d5, .ts-tile, .ts-won .ts-screen { animation: none; transition: none; }
}

/* The recap of a result. */
.ts-recap { display: grid; gap: var(--ns-space-2); margin: 0 0 var(--ns-space-5); padding: 0; list-style: none; }
.ts-recap li { padding: var(--ns-space-2) var(--ns-space-3); border: 1px solid var(--ns-border); border-left: 4px solid var(--ns-warn, #c80); border-radius: var(--ns-radius-sm, 4px); }
.ts-recap li.ts-recap-hit { border-left-color: var(--ns-ok); }
.ts-recap p { margin: 0; overflow-wrap: anywhere; }
.ts-recap-head strong { font-variant-numeric: tabular-nums; }
.ts-solution { font-weight: 700; }
.ts-result .field input { width: 100%; }