/* Things that float above the page: bottom sheets, confirmations, celebration. */
/* ---------- sheet ---------- */
.scrim{position:fixed;inset:0;background:rgba(43,27,18,.45);z-index:20;opacity:0;transition:opacity .2s}
.scrim.open{opacity:1}
.sheet{position:fixed;left:0;right:0;bottom:0;margin:0 auto;max-width:480px;max-height:calc(100vh - 64px - var(--safe-top));max-height:calc(100dvh - 64px - var(--safe-top));overflow:auto;overscroll-behavior:contain;background:var(--bg);border:var(--line) solid var(--ink);border-bottom:0;border-radius:28px 28px 0 0;padding:0 20px calc(24px + env(safe-area-inset-bottom,0px));z-index:21;transform:translateY(100%);transition:transform .28s cubic-bezier(.2,.8,.2,1)}
/* Sticky top: handle (drag it down to close) + × button. */
.sheet-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:center;height:46px;margin:0 -20px 4px;background:var(--bg);touch-action:none;cursor:grab}
.sheet-top .grab{margin:0}
.sheet-x{position:absolute;right:12px;top:6px;width:36px;height:36px;border-radius:50%;border:2px solid var(--ink);background:var(--card);display:grid;place-items:center;font-size:1.4rem;line-height:1;font-weight:700}
.sheet.open{transform:none}
.grab{width:48px;height:5px;border-radius:9px;background:var(--ink);opacity:.25;margin:0 auto 16px}
.sheet-top+h2{padding-right:40px}
.sheet h2{font-size:1.65rem;margin-bottom:18px}
.actions{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.actions .textbtn{align-self:center}
.choice{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:16px;border:var(--line) solid var(--ink);border-radius:22px;background:var(--card);box-shadow:3px 4px 0 var(--ink);margin-bottom:14px}
.choice:active{transform:translate(2px,3px);box-shadow:1px 1px 0 var(--ink)}
.choice .ico{flex:none;width:52px;height:52px;border-radius:16px;border:var(--line) solid var(--ink);display:grid;place-items:center}
.choice .ico svg{width:28px;height:28px}
.choice b{display:block;font-family:var(--display);font-weight:800;font-size:1.2rem;line-height:1.15}
.choice span{display:block;color:var(--muted);font-size:.92rem}
.confirm-body{color:var(--muted);margin:-8px 0 22px}
.hist{list-style:none;margin:0;padding:0;border:var(--line) solid var(--ink);border-radius:18px;background:var(--card);overflow:hidden}
.hist li{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:2px solid rgba(43,27,18,.1);font-variant-numeric:tabular-nums}
.hist li:last-child{border-bottom:0}
.hist li span:first-child{color:var(--muted)}
.hist li b{font-weight:700}
.acct{display:flex;align-items:center;gap:16px;margin-bottom:22px;padding:16px;border:var(--line) solid var(--ink);border-radius:20px;background:var(--card)}
.acct>span:last-child{min-width:0}
.acct b{display:block;font-family:var(--display);font-weight:800;font-size:1.2rem;overflow-wrap:anywhere}
.acct span span{display:block;color:var(--muted);overflow-wrap:anywhere}
/* ---------- celebration ---------- */
#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:40}
.celebrate{position:fixed;inset:0;z-index:39;display:grid;place-items:center;padding:24px;background:rgba(255,241,225,.82)}
.celebrate .card{max-width:340px;width:100%;text-align:center;background:var(--yellow);border:var(--line) solid var(--ink);border-radius:28px;padding:30px 24px;box-shadow:5px 6px 0 var(--ink);animation:pop .55s cubic-bezier(.2,1.6,.4,1)}
.celebrate .star{width:72px;height:72px;margin:0 auto 10px;display:block}
.celebrate .card{padding-top:0}
.celebrate .mascot{margin:-150px auto 8px}
.celebrate h2{font-size:2rem}
.celebrate p{margin:.4rem 0 0;font-weight:600}

/* Background stays still while a sheet is open (see lockScroll in js/ui/sheet.js). */
body.scroll-locked{position:fixed;left:0;right:0;width:100%;overflow:hidden}
.sheet,.scrim{overscroll-behavior:contain}
.scrim{touch-action:none}

/* Account + privacy sheets */
.acct .handle-text{color:var(--teal-ink);font-family:var(--display);font-weight:700}
.share-list{display:flex;flex-direction:column;gap:12px}
.share-row{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border:var(--line) solid var(--ink);border-radius:18px;background:var(--card)}
.share-row b{display:block;font-family:var(--display);font-weight:800;font-size:1.05rem}
.share-row span{display:block;color:var(--muted);font-size:.9rem}
/* Toast: "¡Nuevo récord!" */
.toast{position:fixed;left:50%;top:calc(14px + var(--safe-top));z-index:45;display:flex;align-items:center;gap:12px;width:max-content;max-width:calc(100% - 32px);
  padding:12px 18px;background:var(--yellow);border:var(--line) solid var(--ink);border-radius:18px;box-shadow:3px 4px 0 var(--ink);
  transform:translate(-50%,-140%);transition:transform .35s cubic-bezier(.2,1.3,.4,1)}
.toast.in{transform:translate(-50%,0)}
.toast svg{flex:none;width:30px;height:30px}
.toast b{display:block;font-family:var(--display);font-weight:800;font-size:1.05rem;white-space:nowrap}
.toast span{min-width:0;overflow-wrap:anywhere}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}
/* ---------- exercise library picker ("Añadir ejercicio") ---------- */
.lib-q{margin-bottom:12px}
.lib-groups{display:flex;gap:8px;overflow-x:auto;margin:0 -20px 14px;padding:2px 20px 6px;scrollbar-width:none}
.lib-groups::-webkit-scrollbar{display:none}
.lib-chip{flex:none;padding:6px 14px;border:2px solid var(--ink);border-radius:99px;background:var(--card);font-family:var(--display);font-weight:800;font-size:.92rem}
.lib-chip[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.lib-chip{display:inline-flex;align-items:center;gap:6px;min-height:44px}
.lib-chip .sticker-icon{width:32px;height:32px;flex:none}
.lib-results{min-height:120px}
.lib-title{margin:0 0 8px}
.lib-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.lib-item{width:100%;text-align:left;display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:2px solid var(--ink);border-radius:16px;background:var(--card)}
.lib-item:active{background:var(--yellow-soft)}
.lib-item.multi{position:relative;padding-right:52px}
.lib-check{position:absolute;right:14px;top:50%;width:26px;height:26px;margin-top:-13px;border-radius:50%;border:2px solid var(--ink);background:var(--card);display:grid;place-items:center;transition:background .15s,transform .15s}
.lib-check svg{width:16px;height:16px;opacity:0;transition:opacity .15s}
.lib-item[aria-pressed="true"]{background:var(--yellow-soft);box-shadow:inset 0 0 0 2px var(--orange)}
.lib-item[aria-pressed="true"] .lib-check{background:var(--orange)}
.lib-item[aria-pressed="true"] .lib-check svg{opacity:1}
.lib-item.pop .lib-check{animation:lib-pop .3s cubic-bezier(.3,1.6,.5,1)}
@keyframes lib-pop{0%{transform:scale(.7)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.lib-item.pop .lib-check{animation:none}}
.lib-bar{position:sticky;bottom:calc(-24px - env(safe-area-inset-bottom,0px));margin:14px -20px calc(-24px - env(safe-area-inset-bottom,0px));padding:12px 20px calc(14px + env(safe-area-inset-bottom,0px));background:var(--bg);border-top:2px solid var(--ink);display:flex;flex-direction:column;align-items:center;gap:6px;animation:lib-bar-in .22s ease-out}
.lib-bar .btn{width:100%}
@keyframes lib-bar-in{from{transform:translateY(100%)}to{transform:none}}
.lib-name{font-family:var(--display);font-weight:800;font-size:1.05rem;line-height:1.2}
.lib-meta{color:var(--muted);font-size:.86rem}
.lib-tags{display:flex;gap:6px;margin-top:4px}
.lib-tags span{padding:1px 8px;border-radius:99px;background:var(--bg);border:1.5px solid var(--ink);font-size:.75rem;font-weight:700}
.lib-custom{margin-top:16px}
.lib-picked{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:-6px 0 16px;padding:8px 14px;border-radius:14px;background:var(--yellow-soft);border:2px solid var(--ink);font-weight:600;font-size:.92rem}
/* ---------- technique video ---------- */
.video-frame{position:relative;width:100%;aspect-ratio:16/9;border:var(--line) solid var(--ink);border-radius:18px;overflow:hidden;background:var(--ink)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* YouTube Shorts are vertical: a tall player, sized so the buttons below still fit on screen. */
.video-frame.vertical{aspect-ratio:9/16;width:min(100%, calc(56vh * 9 / 16));margin:0 auto}
.video-note a{color:var(--teal-ink);font-weight:600}
.video-note{margin:10px 0 4px}