/* Base layout shared by every game page (needs theme.css first). */
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  background: linear-gradient(var(--sky-top), var(--sky-bottom)) fixed;
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
#stars { position: fixed; inset: 0; pointer-events: none; }
.star { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: var(--star); opacity: .5;
        animation: twinkle 4s ease-in-out infinite; }
@keyframes twinkle { 50% { opacity: .1; } }

.screen { position: relative; min-height: 100vh; display: none; padding: 56px 16px 24px; }
.screen.active { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.card { position: relative; width: 100%; max-width: 560px; background: var(--panel); border: 1px solid var(--panel-border);
        border-radius: 16px; padding: 24px; backdrop-filter: blur(6px); }
.card.wide { max-width: 760px; }
h1 { margin: 0 0 4px; font-size: 1.8rem; }
h2 { margin: 24px 0 8px; font-size: 1.1rem; }
p { margin: 8px 0; }
.muted { color: var(--muted); font-size: .92rem; }
ol, ul { padding-left: 20px; margin: 8px 0; }
a { color: inherit; }
.kit-nav { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.kit-nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.kit-nav a:hover { color: var(--text); }
body[data-checkup] .kit-nav, body[data-checkup] .kit-hide-checkup { display: none !important; }

.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip { flex: 1 1 0; min-width: 64px; padding: 10px 8px; border-radius: 10px; border: 1px solid var(--panel-border);
        background: transparent; color: var(--text); font: inherit; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--glow-soft); border-color: var(--glow); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 12px 20px; border-radius: 12px;
       border: 0; background: var(--btn); color: var(--btn-text); font: 600 1rem/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
       cursor: pointer; text-decoration: none; touch-action: manipulation; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--panel-border); }
.btn.small { padding: 8px 12px; font-size: .88rem; }
.btn:disabled { opacity: .6; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.hud { position: fixed; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center;
       gap: 8px; padding: 12px 16px; font-size: .95rem; color: var(--muted); z-index: 5; }
.badge { padding: 2px 10px; border-radius: 99px; border: 1px solid var(--panel-border); }
.progress { height: 6px; border-radius: 99px; background: var(--grid); overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--glow); transition: width .3s; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin: 16px 0; }
.stat { border: 1px solid var(--panel-border); border-radius: 10px; padding: 10px; }
.stat .v { font-size: 1.3rem; font-weight: 700; }
.stat .k { font-size: .8rem; color: var(--muted); }
.kit-chart { width: 100%; height: auto; display: block; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--panel-border); }
th { color: var(--muted); font-weight: 500; }
.good { color: var(--accent); } .ok { color: var(--glow); } .warn { color: var(--warn); } .bad { color: var(--bad); }

.kit-box { margin-top: 16px; padding: 16px; border: 1px dashed var(--panel-border); border-radius: 12px; }
.kit-box p { margin: 8px 0 0; }
.kit-signin { display: flex; flex-wrap: wrap; gap: 8px; }
#kitSaveAlt { display: contents; }
.kit-flash { position: fixed; left: 50%; top: 22%; transform: translateX(-50%); font-weight: 700; font-size: 1.3rem;
             pointer-events: none; opacity: 0; transition: opacity .2s; z-index: 6; text-align: center; }
.kit-flash.show { opacity: 1; }

/* Share sheet */
.share-sheet { position: fixed; inset: 0; z-index: 40; display: flex; align-items: flex-end; justify-content: center;
               background: rgba(0, 0, 0, .45); padding: 16px; }
.share-sheet[hidden] { display: none; }
.share-card { width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--panel-border); border-radius: 18px;
              padding: 18px; color: var(--text); backdrop-filter: blur(12px); margin-bottom: max(16px, 10vh); }
.share-card h3 { margin: 0 0 4px; }
.share-text { font-size: .9rem; color: var(--muted); margin: 0 0 12px; }
.share-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.share-grid a, .share-grid button { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px;
              border-radius: 12px; border: 1px solid var(--panel-border); background: transparent; color: var(--text);
              font: inherit; font-size: .8rem; cursor: pointer; text-decoration: none; }
.share-grid .ico { font-size: 1.4rem; line-height: 1; }
.share-url { display: flex; gap: 6px; margin-top: 12px; }
.share-url input { flex: 1; min-width: 0; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--panel-border);
                   background: transparent; color: var(--text); font: inherit; font-size: .85rem; }
@media (prefers-reduced-motion: reduce) { .star { animation: none; } }