/* Cozy Critters – design system (Step 1) */
:root{
  --cream:#FFF8EC; --peach:#FFD9B8; --mint:#CFF2E0; --sky:#CDE8FF;
  --lavender:#E3D6FF; --honey:#FFC857; --cocoa:#5A4636; --cocoa-soft:#8A7260;
  --blush:#FF9FA8;
  --r-sm:16px; --r-md:22px; --r-lg:28px;
  --shadow:0 6px 0 rgba(90,70,54,.14);
  --font-display:"Fredoka","Trebuchet MS",system-ui,sans-serif;
  --font-body:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
  --tabbar-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:var(--font-body);font-weight:500;color:var(--cocoa);
  background:var(--cream);overflow-x:hidden;touch-action:manipulation;
}
[hidden]{display:none!important}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:3px solid var(--cocoa);outline-offset:3px;border-radius:var(--r-sm)}

/* soft background blobs */
.bg-sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-sky i{position:absolute;border-radius:50%;filter:blur(2px);opacity:.7}
.bg-sky i:nth-child(1){width:340px;height:340px;background:var(--peach);top:-120px;right:-100px}
.bg-sky i:nth-child(2){width:300px;height:300px;background:var(--mint);bottom:80px;left:-140px}
.bg-sky i:nth-child(3){width:220px;height:220px;background:var(--lavender);bottom:-80px;right:-60px}

/* layout */
.app{position:relative;z-index:1;max-width:520px;margin:0 auto;min-height:100%;
  padding:max(20px,env(safe-area-inset-top)) 20px calc(var(--tabbar-h) + 28px + env(safe-area-inset-bottom))}
.screen{display:flex;flex-direction:column;gap:20px;animation:fade .25s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* typography */
h1,h2{font-family:var(--font-display);line-height:1.05}
h1{font-size:clamp(2.4rem,11vw,3.4rem);font-weight:700;text-align:center;letter-spacing:-.01em}
h1 small{display:block;font-size:.5em;font-weight:500;color:var(--cocoa-soft);margin-top:6px}
h2{font-size:1.5rem;font-weight:600}
.tagline{text-align:center;color:var(--cocoa-soft);max-width:30ch;margin:10px auto 0;line-height:1.45}

/* home hero */
.hero{display:flex;flex-direction:column;align-items:center;padding-top:5vh}

/* CSS-drawn chick (temporary hero; real SVG art arrives in Step 2) */
.chick{position:relative;width:170px;height:160px;margin-bottom:22px;
  background:var(--honey);border:5px solid var(--cocoa);border-radius:50% 50% 46% 46%;
  box-shadow:var(--shadow);animation:bob 3s ease-in-out infinite}
.chick span{position:absolute;display:block}
.chick .eye{width:16px;height:20px;background:var(--cocoa);border-radius:50%;top:56px}
.chick .eye::after{content:"";position:absolute;width:6px;height:6px;background:#fff;border-radius:50%;top:3px;left:3px}
.chick .l{left:40px}.chick .r{right:40px}
.chick .cheek{width:24px;height:14px;background:var(--blush);border-radius:50%;top:84px;opacity:.8}
.chick .cheek.l{left:20px}.chick .cheek.r{right:20px}
.chick .beak{left:50%;top:80px;margin-left:-13px;width:0;height:0;
  border-left:13px solid transparent;border-right:13px solid transparent;border-top:16px solid #F28C38}
.chick .tuft{left:50%;top:-22px;margin-left:-5px;width:10px;height:22px;background:var(--cocoa);border-radius:10px 10px 0 0;
  box-shadow:-12px 6px 0 -1px var(--cocoa),12px 6px 0 -1px var(--cocoa)}
.chick .foot{bottom:-18px;width:26px;height:12px;background:#F28C38;border:4px solid var(--cocoa);border-radius:8px}
.chick .foot.l{left:44px}.chick .foot.r{right:44px}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* buttons */
.actions{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.btn{min-height:52px;padding:12px 20px;border-radius:var(--r-md);
  font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  border:3px solid var(--cocoa);box-shadow:var(--shadow);transition:transform .08s,box-shadow .08s}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(90,70,54,.14)}
.btn-primary{background:var(--honey);font-size:1.4rem;min-height:68px;border-radius:var(--r-lg)}
.btn-soft.mint{background:var(--mint)}
.btn-soft.sky{background:var(--sky)}
.btn-soft.lavender{background:var(--lavender)}
.btn-soft.peach{background:var(--peach)}

/* inner screens */
.topbar{display:flex;align-items:center;gap:14px}
.btn-back{min-height:44px;min-width:44px;padding:8px 16px;border-radius:var(--r-sm);
  background:#fff;border:3px solid var(--cocoa);font-family:var(--font-display);font-weight:600}
.card{background:#fff;border:3px solid var(--cocoa);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.empty{text-align:center;color:var(--cocoa-soft);line-height:1.5}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.tile{aspect-ratio:1;background:#fff;border:3px solid var(--cocoa);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:8px;font-family:var(--font-display);font-size:.85rem;text-align:center;box-shadow:var(--shadow)}
.tile .dot{width:38px;height:38px;border-radius:50%;border:3px solid var(--cocoa)}
.tile.locked{background:#F1E9DD;color:var(--cocoa-soft)}
.tile.locked .dot{background:#D9CDBD}

/* game */
.hud{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:10px}
.stat{background:#fff;border:3px solid var(--cocoa);border-radius:var(--r-md);padding:6px 10px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:68px}
.stat span{font-family:var(--font-display);font-size:.75rem;color:var(--cocoa-soft)}
.stat b{font-family:var(--font-display);font-size:1.45rem;line-height:1.1}
.stat.next{flex-direction:row;gap:6px}.stat.next>span{writing-mode:horizontal-tb}
.stat.next>div{display:flex;flex-direction:column;align-items:center}
.stat.next svg{width:44px;height:44px}
.stat.next small{font-family:var(--font-display);font-size:.68rem;margin-top:-4px}
.board{position:relative;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:10px;width:min(100%,55vh,440px);margin:0 auto;
  background:var(--sky);border:3px solid var(--cocoa);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.cell{aspect-ratio:1;padding:3px;border-radius:var(--r-sm);background:rgba(255,255,255,.55);border:2px dashed var(--cocoa-soft);
  display:flex;align-items:center;justify-content:center;transition:background .12s,transform .08s}
.cell:not(.filled):hover{background:#fff}
.cell:not(.filled):active{transform:scale(.94)}
.cell.filled{background:var(--cream);border:2px solid var(--cocoa);cursor:default}
.cell.last{box-shadow:0 0 0 3px var(--honey)}
.cell svg{width:100%;height:100%}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:min(100%,440px);margin:0 auto}
.tools .btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;font-size:.95rem}
.tools .btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.tools i{display:flex}
.strip{display:grid;grid-template-columns:repeat(12,1fr);gap:2px;width:min(100%,440px);margin:0 auto}
.strip .step{border-radius:10px;padding:1px}.strip .step.cur{background:var(--honey)}
.strip svg{width:100%;height:auto;display:block}
.hint{text-align:center;font-size:.9rem;color:var(--cocoa-soft);max-width:34ch;margin:0 auto;line-height:1.4}
.toast-unused{position:fixed;top:calc(14px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:15;
  background:var(--honey);border:3px solid var(--cocoa);border-radius:var(--r-md);padding:10px 18px;font-family:var(--font-display);font-weight:600;box-shadow:var(--shadow)}
.modal{position:fixed;inset:0;z-index:20;background:rgba(90,70,54,.45);display:flex;align-items:center;justify-content:center;padding:20px}
.modal-card{background:var(--cream);border:3px solid var(--cocoa);border-radius:var(--r-lg);padding:22px;width:min(100%,360px);text-align:center;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;align-items:center}
.modal-card h3{font-family:var(--font-display);font-size:1.5rem;line-height:1.15}
.modal-card p{line-height:1.45;color:var(--cocoa-soft)}
.modal-btns{display:flex;flex-direction:column;gap:10px;width:100%}

/* polish: motion, effects, settings */
@keyframes popin{0%{transform:scale(.2)}60%{transform:scale(1.18)}100%{transform:scale(1)}}
@keyframes merged{0%{transform:scale(.5) rotate(-8deg)}45%{transform:scale(1.35) rotate(6deg)}100%{transform:scale(1) rotate(0)}}
.cell.pop svg{animation:popin .28s ease-out}
.cell.merged svg{animation:merged .45s ease-out}
.cell.merged{box-shadow:0 0 0 4px var(--honey),0 0 18px 4px rgba(255,200,87,.7)}
.ghost{position:absolute;pointer-events:none;z-index:3}.ghost svg{width:100%;height:100%}
.spark{position:absolute;pointer-events:none;z-index:4;line-height:0}
.floaty{position:absolute;pointer-events:none;z-index:5;font-family:var(--font-display);font-weight:700;font-size:1.15rem;text-align:center;white-space:nowrap;line-height:1.1;
  color:var(--cocoa);text-shadow:0 2px 0 #fff,0 0 8px #fff}
.floaty small{display:block;font-size:.78rem;color:#C2571A}
.confetti{position:fixed;inset:0;z-index:30;pointer-events:none;overflow:hidden}
.confetti i{position:absolute;top:-16px;width:9px;height:14px;border-radius:2px}
.badge{font-family:var(--font-display);font-size:.8rem;padding:2px 14px;border-radius:99px;border:2px solid var(--cocoa);text-transform:capitalize}
.badge.common{background:var(--mint)}.badge.uncommon{background:var(--sky)}.badge.rare{background:var(--lavender)}.badge.legendary{background:var(--honey)}
.btn-icon{margin-left:auto;min-width:44px;min-height:44px;border-radius:var(--r-sm);background:#fff;border:3px solid var(--cocoa);display:flex;align-items:center;justify-content:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.settings{display:flex;flex-direction:column;gap:12px;padding:16px}
.setting{display:flex;justify-content:space-between;align-items:center;width:100%;min-height:52px;padding:0 16px;background:var(--cream);
  border:3px solid var(--cocoa);border-radius:var(--r-md);font-family:var(--font-display);font-weight:600;font-size:1rem}
.setting b{color:var(--cocoa-soft)}.setting[aria-pressed="true"] b{color:#2F8F5B}
.setting.danger{color:#B23A48}

/* art preview */
.art-sec{display:flex;flex-direction:column;gap:14px}
.art-sec h3{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin-top:6px}
.art-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.art-grid.icons{grid-template-columns:repeat(5,minmax(0,1fr))}
.art-cell{background:#fff;border:3px solid var(--cocoa);border-radius:var(--r-md);padding:8px 4px 6px;
  display:flex;flex-direction:column;align-items:center;gap:2px;font-family:var(--font-display);font-size:.78rem;text-align:center}
.art-cell svg{max-width:100%;height:auto}
.tile svg{width:60px;height:60px}

/* bottom tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;justify-content:center;gap:4px;
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--cream);border-top:3px solid var(--cocoa)}
.tabbar button{flex:1;max-width:96px;min-height:48px;border-radius:var(--r-sm);
  font-family:var(--font-display);font-weight:500;font-size:.85rem;color:var(--cocoa-soft)}
.tabbar button[aria-current="page"]{background:var(--honey);color:var(--cocoa);font-weight:600}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* Step 7 polish: small crown icons, section headings, empty garden card, garden themes */
.tile span svg,.gd-h svg{width:16px;height:16px;vertical-align:-3px;display:inline-block}
.gd-h svg{width:18px;height:18px}
.gd-h{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin:6px 0 2px}
#gd-scene{padding:10px;border-radius:var(--r-lg);transition:background .3s}
#gd-scene .empty{grid-column:1/-1;aspect-ratio:auto;padding:16px}
#gd-scene[data-theme="sakura"]{background:linear-gradient(#FFE3EC 0 60%,#CFEFC9 60%)}
#gd-scene[data-theme="snow"]{background:linear-gradient(#D9EEFF 0 60%,#F7FBFF 60%)}
#gd-scene[data-theme="nightstars"]{background:linear-gradient(#2B2F5C 0 60%,#3C4A6B 60%)}
#gd-scene[data-theme="nightstars"] .empty{background:var(--cream)}

/* Step 8: landing content (How to play, Animals guide, FAQ) + how-to overlay */
.seo{display:flex;flex-direction:column;gap:22px;margin-top:18px;line-height:1.5}
.seo section{background:rgba(255,255,255,.75);border:3px solid var(--cocoa);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow)}
.seo h2{font-size:1.3rem;margin-bottom:10px}
.seo h3{font-family:var(--font-display);font-size:1.05rem;margin:14px 0 8px}
.seo p{color:var(--cocoa-soft);margin-bottom:8px}
.seo ol,.seo ul{padding-left:1.3rem;display:flex;flex-direction:column;gap:8px}
.seo ol.animals,.seo ul.animals{list-style:none;padding-left:0}
.animals li{display:flex;flex-wrap:wrap;align-items:center;gap:0 10px;font-size:.92rem;padding:6px 0;border-bottom:2px dotted rgba(90,70,54,.2)}
.animals li:last-child{border-bottom:0}
.animals .pic{flex:none;line-height:0}
.animals li br{display:none}
.animals li b{font-family:var(--font-display)}
.animals .badge{font-size:.7rem;padding:0 10px}
.seo details{border:2px solid var(--cocoa);border-radius:var(--r-sm);background:var(--cream);margin-bottom:8px;padding:0 14px}
.seo summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font-family:var(--font-display);font-weight:600}
.seo details p{padding-bottom:12px}
.howto{text-align:left;display:flex;flex-direction:column;gap:10px;padding-left:1.2rem;line-height:1.4}
.howto small,.howto li{color:var(--cocoa)}

/* Step 9 QA: very small phones */
@media (max-width:360px){
  .app{padding-left:14px;padding-right:14px}
  h2{font-size:1.25rem;white-space:nowrap}
  .topbar{gap:10px}
}

/* ===== Final polish: icons, spacing, desktop phone-width ===== */
.has-ico{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.has-ico .ico{display:inline-flex;flex:none;line-height:0}
.btn-back.has-ico{gap:4px;padding:8px 14px 8px 8px}
.setting.has-ico{display:flex;justify-content:flex-start;gap:10px}
.tabbar button.has-ico{flex-direction:column;gap:2px;line-height:1.1;font-size:.72rem;padding:6px 2px}
.tabbar button.has-ico .ico svg{width:24px;height:24px}
.tabbar{align-items:stretch}
.tabbar button{max-width:none}

/* spacing: wrapper blocks that screens create at runtime get the same rhythm as the screen itself */
.screen > div:not(.hud):not(.grid):not(.card):not(.actions):not(.board):not(.tools):not(.strip):not(.modal):not(.sr-only):not(.hero):not(.row),
#gd-themes{display:flex;flex-direction:column;gap:14px}
.screen > div:empty{display:none}
.gd-h{margin:8px 0 0}
.screen > .card,.screen .hud{margin:0}
.hint{margin-top:2px}
.modal-card > svg{margin:2px 0}
.modal-card p + p{margin-top:2px}
.settings .setting{min-height:56px;gap:10px}
.settings .setting small{display:block;margin-top:2px;line-height:1.35}
.card.settings{gap:12px}
.card{margin:0}

/* desktop / tablet: the whole game stays one phone-width column in the middle */
:root{--col:480px}
.app{max-width:var(--col)}
.bg-sky{left:50%;right:auto;width:min(100%,var(--col));transform:translateX(-50%)}
.tabbar{left:50%;right:auto;width:min(100%,var(--col));transform:translateX(-50%);gap:2px}
.modal{left:50%;right:auto;width:min(100%,var(--col));transform:translateX(-50%)}
@media (min-width:600px){
  body{background:#EADFCB}
  .bg-sky{background:var(--cream);box-shadow:0 0 0 3px var(--cocoa),0 0 60px rgba(90,70,54,.25)}
  .tabbar{border-left:3px solid var(--cocoa);border-right:3px solid var(--cocoa)}
}

.row .btn{padding-left:10px;padding-right:10px;white-space:nowrap}
.tools .btn{white-space:nowrap}
.setting,.setting span{text-align:left}

@media (max-width:360px){
  .row{gap:10px}
  .row .btn{font-size:.9rem;gap:5px;padding-left:6px;padding-right:6px}
  .row .btn .ico svg{width:17px;height:17px}
}