:root{
  --cream:#fbf6ec; --card:#fffdf8; --ink:#13213f; --ink-2:#5b6680; --line:#ece3d2;
  --blue:#2356d8; --coral:#ef5440; --yellow:#fcc934; --mint:#62c9a0;
  --danger:#c2372a; --focus:#2356d8;
  --display:"Baloo 2","Arial Rounded MT Bold",system-ui,sans-serif;
  --hand:"Caveat","Segoe Print","Bradley Hand",cursive;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font:17px/1.45 "Nunito",system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:18px 16px 140px}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
[hidden]{display:none!important}

/* Brand */
.topbar{display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--display);font-weight:800;font-size:40px;line-height:1;color:var(--blue);text-decoration:none;letter-spacing:-.02em;display:inline-flex;align-items:flex-start;gap:4px}
.logo i{font-style:normal;display:inline-block;transform:skewX(-9deg)}
.spark{width:26px;height:26px;flex:none}
.tagline{color:var(--ink-2);margin:6px 0 0;font-size:16px}

h1{font-family:var(--display);font-size:clamp(40px,10vw,64px);line-height:.98;letter-spacing:-.02em;font-weight:800;margin:26px 0 12px;text-wrap:balance}
h2{font-family:var(--display);font-size:25px;line-height:1.1;font-weight:800;margin:0}
.lede{font-size:18px;color:var(--ink-2);margin:0 0 24px;max-width:34em}
.hand{font-family:var(--hand);font-weight:600}
.note-hand{font-family:var(--hand);font-size:24px;line-height:1.1;color:var(--ink-2);display:flex;align-items:center;gap:8px;margin:8px 0 0}

/* Buttons */
.btn{font:inherit;font-weight:800;font-size:16px;line-height:1.2;border-radius:999px;padding:11px 18px;min-height:46px;border:0;background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;box-shadow:0 0 0 1.5px var(--line) inset}
.btn:hover{background:#f6f1e6}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 6px 0 -1px #173d9f}
.btn.primary:hover{background:#1d4cc4}
.btn.primary:active{transform:translateY(3px);box-shadow:0 3px 0 -1px #173d9f}
.btn.big{font-family:var(--display);font-size:24px;padding:14px 30px;min-height:60px}
.btn.quiet{background:transparent;box-shadow:none;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;padding-inline:8px}
.btn.small{min-height:36px;padding:7px 13px;font-size:15px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* Cards */
.card{background:var(--card);border-radius:24px;padding:20px;box-shadow:0 1px 0 var(--line),0 14px 30px -22px rgba(19,33,63,.45);margin:0 0 24px}

/* Puzzle board */
.board{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.piece{--c:var(--blue);--on:#fff;position:relative;background:var(--c);color:var(--on);border-radius:22px;padding:16px 16px 14px;min-height:190px;display:flex;flex-direction:column;box-shadow:0 10px 22px -16px rgba(19,33,63,.6)}
.piece:nth-child(4n+2){--c:var(--coral)}
.piece:nth-child(4n+3){--c:var(--yellow);--on:var(--ink)}
.piece:nth-child(4n+4){--c:var(--mint);--on:var(--ink)}
/* interlocking tabs */
.piece:nth-child(odd)::after{content:"";position:absolute;right:-17px;top:calc(50% - 15px);width:30px;height:30px;border-radius:50%;background:var(--c);z-index:2}
.piece::before{content:"";position:absolute;bottom:-17px;left:calc(50% - 15px);width:30px;height:30px;border-radius:50%;background:var(--c);z-index:2}
.piece:nth-last-child(-n+2)::before{display:none}
.piece:last-child:nth-child(odd)::after{display:none}
.piece .art{font-size:54px;line-height:1;margin:2px 0 10px;filter:drop-shadow(0 4px 0 rgba(0,0,0,.12))}
.piece .ptitle{font-family:var(--display);font-size:22px;line-height:1.05;font-weight:800;position:relative;z-index:3}
.piece .pcount{font-size:14px;font-weight:700;opacity:.85;margin-top:2px}
.piece .who{margin-top:auto;padding-top:10px;display:flex;flex-direction:column;gap:6px;position:relative;z-index:3}
.person{display:flex;align-items:center;gap:8px;min-width:0}
.person b{font-weight:800;font-size:15px;line-height:1.1}
.person .said{font-family:var(--hand);font-size:19px;line-height:1;display:block;opacity:.95}
.person .x{border:0;background:rgba(255,255,255,.25);color:inherit;font:inherit;font-size:13px;font-weight:800;border-radius:999px;padding:3px 9px;cursor:pointer;margin-left:auto}
.avatar{width:32px;height:32px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:900;font-size:14px;color:#fff;box-shadow:0 0 0 2.5px #fff}
.claim{margin-top:10px;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;border:0;background:#fff;color:var(--ink);font:inherit;font-weight:800;font-size:15px;border-radius:999px;padding:6px 14px 6px 6px;cursor:pointer;min-height:42px;position:relative;z-index:3}
.claim .plus{width:30px;height:30px;border-radius:50%;background:var(--c);color:var(--on);display:grid;place-items:center;font-size:22px;line-height:1}
.claim:hover{transform:translateY(-1px)}
.sticker{position:absolute;top:12px;right:12px;background:#fff;color:var(--ink);font-weight:900;font-size:13px;border-radius:999px;padding:4px 10px;transform:rotate(4deg);z-index:3}
.fresh .person:last-child{animation:pop .5s cubic-bezier(.3,1.6,.5,1) both}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:none;opacity:1}}
.edit-row{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;position:relative;z-index:3}

/* Stepper */
.stepper{display:inline-flex;align-items:center;border-radius:999px;background:#fff;color:var(--ink);box-shadow:0 0 0 1.5px var(--line) inset}
.stepper button{font:inherit;font-size:20px;font-weight:800;width:40px;height:38px;border:0;background:none;color:var(--ink);cursor:pointer}
.stepper output{min-width:30px;text-align:center;font-weight:900}

/* Forms */
.field{display:block;margin:0 0 14px}
.field>span{display:block;font-size:15px;font-weight:800;margin-bottom:5px}
.field>span small{font-weight:600;color:var(--ink-2)}
input[type=text],input[type=search],input[type=number],input[type=datetime-local],input:not([type]),select,textarea{font:inherit;color:var(--ink);background:#fff;border:2px solid var(--line);border-radius:14px;padding:11px 14px;width:100%;min-height:48px}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none}
textarea{resize:vertical;min-height:84px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media (max-width:560px){.two{grid-template-columns:1fr}}

/* Dialog */
dialog{border:0;padding:24px 20px calc(22px + env(safe-area-inset-bottom));width:100%;max-width:520px;margin:auto auto 0;border-radius:26px 26px 0 0;color:var(--ink);background:var(--cream)}
dialog::backdrop{background:rgba(19,33,63,.5)}
@media (min-width:620px){dialog{margin:auto;border-radius:26px}}
.dlg-top{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.dlg-top .art{font-size:40px;width:68px;height:68px;border-radius:20px;display:grid;place-items:center;background:var(--yellow);flex:none}
.dlg-top p{margin:2px 0 0;color:var(--ink-2);font-size:15px}
.err{color:var(--danger);font-weight:800;min-height:1.4em;margin:10px 0 0;font-size:15px}

.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:800;font-size:15px;max-width:calc(100% - 32px);z-index:50}

@media (max-width:380px){.piece{min-height:170px;padding:14px 12px 12px}.piece .art{font-size:44px}.piece .ptitle{font-size:19px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}