/* Layout: one-screen app. A slim one-row bar over the background image; the two
   paintings fill everything else (side by side or stacked, whichever gives bigger
   squares). Start screen and win card are sheets over the background. */
:root{
  --bg:#e9ecf2; --surface:#ffffff; --ink:#1b2130; --muted:#5b6478; --line:#cfd5e1;
  --accent:#2f56e0; --accent-ink:#ffffff; --good:#1f8a5b; --hint:#ffbe28;
  --bg-img:none; --bg-img-m:none; --bg-tint:rgba(0,0,0,0);
  --display:"Unbounded","Trebuchet MS",system-ui,sans-serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --tap:44px;                       /* minimum touch target */
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#11141b; --surface:#1a1f2b; --ink:#e7eaf1; --muted:#98a1b5; --line:#2c3344;
  --accent:#7d98ff; --accent-ink:#0f1320; --good:#4cc38a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#11141b; --surface:#1a1f2b; --ink:#e7eaf1; --muted:#98a1b5; --line:#2c3344;
  --accent:#7d98ff; --accent-ink:#0f1320; --good:#4cc38a; color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
img{max-width:100%}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;
  display:flex;flex-direction:column;overflow:hidden;gap:8px;
  padding-top:max(8px,env(safe-area-inset-top,0px));padding-bottom:max(8px,env(safe-area-inset-bottom,0px));
  padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));
  -webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;
  touch-action:manipulation;overscroll-behavior:none}

/* Background image layer (set in js/config.js) with an optional tint on top */
#backdrop{position:fixed;inset:0;z-index:-1;
  background:linear-gradient(var(--bg-tint),var(--bg-tint)),var(--bg-img) center/cover no-repeat,var(--bg)}
@media (max-aspect-ratio:3/4){#backdrop{
  background:linear-gradient(var(--bg-tint),var(--bg-tint)),var(--bg-img-m) center/cover no-repeat,var(--bg)}}

/* ---------- Game bar ---------- */
.bar{display:flex;align-items:center;gap:12px;min-height:52px;padding:4px 6px 4px 14px;border-radius:14px;
  background:color-mix(in srgb,var(--surface) 86%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.brand{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.02em;margin:0;line-height:1;white-space:nowrap}
.brand span,.logo span{color:var(--accent)}
.stats{display:flex;gap:18px;margin-left:auto;font-variant-numeric:tabular-nums}
.stat{display:flex;flex-direction:column;align-items:center;line-height:1.05;min-width:42px}
.stat b{font-family:var(--display);font-weight:500;font-size:17px;white-space:nowrap}
.stat small{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-top:3px}
.tools{display:flex;gap:4px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:var(--tap);height:var(--tap);
  padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);
  font:600 14px var(--body);cursor:pointer}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon-btn .slash{display:none}
.icon-btn[aria-pressed="false"]{color:var(--muted)}
.icon-btn[aria-pressed="false"] .slash{display:inline}
.icon-btn:active{transform:translateY(1px)}
button:focus-visible,summary:focus-visible,.opt input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Paintings ---------- */
#stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;gap:12px;position:relative}
#stage.stack{flex-direction:column}
.panel{display:flex;flex-direction:column;gap:5px;min-width:0}
.plabel{display:flex;justify-content:space-between;align-items:center;gap:8px;height:24px;padding:0 10px;border-radius:999px;
  background:color-mix(in srgb,var(--surface) 86%,transparent)}
.plabel strong{font-family:var(--display);font-weight:500;font-size:11px;letter-spacing:.05em;text-transform:uppercase;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.plabel span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.plabel.done{background:var(--good)}
.plabel.done strong,.plabel.done span{color:#fff;text-transform:none;letter-spacing:0;font-size:12px}
canvas{display:block;border-radius:6px;background:var(--line);touch-action:none;cursor:pointer;
  -webkit-touch-callout:none;box-shadow:0 1px 0 var(--line),0 10px 30px rgb(0 0 0 / .25)}
.status{position:absolute;padding:10px 16px;border-radius:999px;background:var(--surface);color:var(--muted);font-weight:600}

/* ---------- Sheets: start screen and win card ---------- */
.overlay{position:fixed;inset:0;z-index:30;display:grid;place-items:center;overflow-y:auto;
  padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));
  background:rgb(10 12 18 / .35);-webkit-user-select:text;user-select:text}
#win{background:rgb(10 12 18 / .5)}
.sheet{width:min(520px,100%);background:var(--surface);border-radius:18px;padding:24px 22px;display:grid;gap:18px;
  box-shadow:0 20px 60px rgb(0 0 0 / .35);margin:auto}
.sheet.small{width:min(380px,100%);text-align:center;gap:12px}
.sheet h2{font-family:var(--display);font-weight:700;font-size:22px;margin:0;text-wrap:balance}
.sheet-head{display:grid;gap:6px;text-align:center}
.logo{font-size:32px!important;letter-spacing:.02em}
.tagline{margin:0;color:var(--muted);font-size:15px;text-wrap:balance}
.muted{color:var(--muted)}
.rules{display:grid;gap:10px;font-size:14.5px;line-height:1.45}
.rules p{margin:0}
.controls-table{width:100%;border-collapse:collapse;font-size:14px}
.controls-table th,.controls-table td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.controls-table thead th{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;padding-top:0}
.controls-table tbody th{font-weight:600}
.controls-table td{white-space:nowrap}
.controls-table tr:last-child>*{border-bottom:0}

.choice{border:0;margin:0;padding:0;display:grid;gap:8px;min-width:0}
.choice legend{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700;padding:0;margin-bottom:8px}
.opts{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.opts.two{grid-template-columns:1fr 1fr}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{display:grid;place-items:center;gap:1px;min-height:52px;padding:6px 4px;border:1.5px solid var(--line);border-radius:12px;text-align:center}
.opt b{font-size:15px}
.opt small{font-size:11.5px;color:var(--muted)}
.opt input:checked+span{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.opt input:checked+span small{color:var(--ink)}

.photos summary{cursor:pointer;font-weight:600;color:var(--accent);list-style:none;min-height:32px;display:flex;align-items:center}
.photos summary::-webkit-details-marker{display:none}
.photos summary::before{content:"+";display:inline-grid;place-items:center;width:20px;height:20px;margin-right:8px;border-radius:50%;
  border:1.5px solid currentColor;font-size:14px;line-height:1}
.photos[open] summary::before{content:"–"}
.photo-pick{display:grid;gap:10px;padding-top:8px;font-size:14px}
.photo-pick label{display:grid;gap:4px;font-weight:600}
.photo-pick input{font-size:13px;max-width:100%}
.photo-pick p{margin:0;font-size:13px}
.link-btn{justify-self:start;background:none;border:0;padding:4px 0;color:var(--accent);font:600 14px var(--body);cursor:pointer;text-decoration:underline}

.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn{min-height:48px;padding:0 26px;border-radius:999px;font:700 16px var(--body);cursor:pointer;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);min-width:150px}
.btn:active{transform:translateY(1px)}
.win-stats{margin:0;color:var(--muted);font-variant-numeric:tabular-nums}
.credits{margin:0;font-size:14px;line-height:1.55}
.credits em{font-style:italic;font-weight:600}
.next{margin:0;font-weight:600}

/* ---------- Copyright line (bottom right, always visible) ---------- */
.copyright{align-self:flex-end;margin:auto 2px 0;padding:2px 9px;border-radius:999px;font-size:11px;line-height:1.4;
  color:var(--ink);background:color-mix(in srgb,var(--surface) 78%,transparent);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);white-space:nowrap;pointer-events:none}

/* ---------- Contact form ---------- */
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:14px}
.field input,.field textarea{font:16px/1.4 var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);
  border-radius:10px;padding:10px 12px;width:100%;min-width:0;resize:vertical;-webkit-user-select:text;user-select:text}
.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.field .invalid{border-color:#c0392b}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{margin:0;min-height:1.4em;font-weight:600;text-align:center}
.form-msg.ok{color:var(--good)}
.form-msg.err{color:#c0392b}
.btn:disabled{opacity:.6;cursor:default}

/* ---------- Daily game ---------- */
.small{font-size:13px}
.daily-box{display:grid;gap:10px;padding:14px;border-radius:14px;background:color-mix(in srgb,var(--accent) 7%,transparent);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent)}
.daily-box p{margin:0}
.daily-status{font-weight:600}
.nick{display:grid;gap:6px}
.nick-label{font-weight:600;font-size:14px}
.nick-row{display:flex;gap:8px;flex-wrap:wrap}
.nick-row input{flex:1 1 140px;min-width:0;font:16px var(--body);color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;-webkit-user-select:text;user-select:text}
.nick-row input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.nick-row .btn{min-height:44px;padding:0 18px}
.nick-me{font-size:15px}
.code-box summary{cursor:pointer;color:var(--accent);font-weight:600;font-size:14px}
.code{font:600 18px/1.3 ui-monospace,"SF Mono",Consolas,monospace;letter-spacing:.06em;margin:6px 0!important;-webkit-user-select:all;user-select:all}
.opt input:disabled+span{opacity:.45;cursor:not-allowed}
.big-score{margin:0;font-family:var(--display);font-weight:700;font-size:44px;line-height:1.05;color:var(--accent);font-variant-numeric:tabular-nums}
.win-rank{margin:0;font-weight:600}
.board-wrap{max-height:52vh;overflow:auto;border:1px solid var(--line);border-radius:12px}
.board{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.board th,.board td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
.board thead th{position:sticky;top:0;background:var(--surface);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.board .num{text-align:right}
.board tr.me td{background:color-mix(in srgb,var(--accent) 14%,transparent);font-weight:700}
.board tr:last-child td{border-bottom:0}
.toast{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:50;background:var(--ink);color:var(--bg);
  padding:10px 18px;border-radius:999px;font-weight:600;box-shadow:0 8px 24px rgb(0 0 0 / .3)}

/* ---------- Phones ---------- */
@media (max-width:640px), (max-height:520px){
  body{gap:6px;padding-left:max(8px,env(safe-area-inset-left,0px));padding-right:max(8px,env(safe-area-inset-right,0px));
    padding-top:max(6px,env(safe-area-inset-top,0px));padding-bottom:max(6px,env(safe-area-inset-bottom,0px))}
  .bar{min-height:50px;gap:8px;padding:3px 4px 3px 10px;border-radius:12px}
  .icon-btn{padding:0;width:var(--tap)}
  .icon-btn .lbl{display:none}
  .stats{gap:12px}
  .stat{min-width:36px}
  .stat b{font-size:15px}
  #stage{gap:6px}
  .plabel{height:22px}
  .copyright{font-size:10px;padding:1px 8px}
  .sheet{padding:16px 14px;gap:12px}
  .sheet-head{gap:2px}
  .logo{font-size:26px!important}
  .tagline{font-size:14px}
  .rules{gap:8px;font-size:14px;line-height:1.4}
  .controls-table{font-size:13.5px}
  .controls-table th,.controls-table td{padding:6px 4px}
  .choice legend{margin-bottom:4px}
  .opt span{min-height:48px}
  .opt small{font-size:11px}
}
@media (max-width:430px){ .brand{display:none} .stats{margin-left:0;flex:1;justify-content:space-around} }
/* Very short screens (phone held sideways): tighter sheet */
@media (max-height:520px){ .overlay{place-items:start center} .sheet{gap:12px} .rules{gap:6px} }
@media (prefers-reduced-motion: reduce){*{transition:none!important}}
/* The leaderboard opens on top of the start screen and the win card */
#boardSheet{z-index:40}

/* ---------- Share pop-up ---------- */
#shareSheet{z-index:40}
.share-sheet{gap:14px}
.share-preview{display:grid;place-items:center;gap:6px}
.share-preview img{display:block;width:auto;max-width:100%;max-height:min(42vh,420px);aspect-ratio:4/5;border-radius:12px;
  box-shadow:0 6px 20px rgb(0 0 0 / .25);background:var(--line)}
.share-preview img:not([src]){visibility:hidden;height:0}
.share-main{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.share-main .btn{flex:1 1 130px;max-width:200px;min-width:0;padding:0 14px}
.share-nets{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.net{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:999px;
  border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:600 14px var(--body);text-decoration:none;cursor:pointer}
.net:hover{border-color:var(--accent)}
.net:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.share-note{margin:0;text-align:center;line-height:1.45}
@media (max-height:700px){ .share-preview img{max-height:30vh} }

/* ---------- Game choice: a large Daily game button, Free practice smaller underneath ---------- */
.mode-pick{border:0;margin:0;padding:4px 0;display:grid;justify-items:center;gap:10px;min-width:0}
.mode-pick label{cursor:pointer;position:relative}
.mode-pick input{position:absolute;opacity:0;pointer-events:none}
.mode-daily{width:min(100%,400px)}
.mode-daily span{display:grid;place-items:center;gap:4px;min-height:96px;padding:14px 20px;border-radius:20px;text-align:center;
  border:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--surface));color:var(--ink);
  transition:transform .15s,box-shadow .15s}
.mode-daily b{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:.01em;line-height:1.1}
.mode-daily small{font-size:14px;color:var(--muted)}
.mode-daily input:checked+span{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 40%,transparent)}
.mode-daily input:checked+span small{color:var(--accent-ink);opacity:.9}
.mode-daily:hover span{transform:translateY(-1px)}
.mode-practice span{display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:0 16px;border-radius:999px;
  border:1.5px solid var(--line);background:var(--surface);color:var(--muted);font:600 14px var(--body)}
.mode-practice small{font-weight:400;font-size:13px}
.mode-practice input:checked+span{border-color:var(--ink);color:var(--ink)}
.mode-pick input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}
@media (prefers-reduced-motion: reduce){ .mode-daily span{transition:none} .mode-daily:hover span{transform:none} }
@media (max-width:640px){ .mode-daily span{min-height:84px} .mode-daily b{font-size:23px} }