/* ---------- NestWar — style.css ----------
   Playful Creative / cartoon Angry-Birds
   Based on DESIGN.md · all colors via CSS variables
   ------------------------------------------------------------ */

/* ---------- 1. design tokens ---------- */
:root{
  /* base */
  --bg:#FFF8F0; --bg-deep:#FFEFE0; --surface:#FFFFFF; --surface-warm:#FFFDF9;
  /* borders */
  --border:#FFE0CC; --border-strong:#FFC9A8;
  /* text */
  --text:#2D2D2D; --text-soft:#666666; --text-faint:#9C8F86;
  /* brand */
  --primary:#FF3366; --primary-deep:#E01F4F; --primary-soft:#FFE3EB;
  /* accents */
  --secondary:#FFD700; --secondary-deep:#E6BE00;
  --tertiary:#00CC88; --tertiary-deep:#00A86F; --tertiary-soft:#DFF7EC;
  --accent-blue:#4DA6FF; --accent-blue-soft:#E3F1FF; --accent-purple:#A56BFF;
  /* semantic */
  --ok:#00CC88; --warn:#FFA940; --danger:#FF4D4F; --info:#4DA6FF;
  /* shadows */
  --shadow-sm:0 3px 0 var(--border);
  --shadow-card:0 8px 24px rgba(255,51,102,.10), 0 2px 0 rgba(255,201,168,.6);
  --shadow-pop:0 14px 34px rgba(255,51,102,.22);
  /* radii */
  --r-sm:12px; --r-md:16px; --r-lg:24px; --r-pill:999px;
  /* spacing */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:24px; --sp-8:32px;
  /* fonts */
  --f-title:"Baloo 2","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --f-body:"Fredoka","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  /* easing */
  --spring:cubic-bezier(.34,1.56,.64,1);
  --ease:cubic-bezier(.4,0,.2,1);
  --nav-h:72px;
}

/* ---------- 2. base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0; min-height:100vh;
  display:flex; flex-direction:column;
  background:var(--bg); color:var(--text);
  font-family:var(--f-body); font-size:16px; line-height:1.6; letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{ font-family:var(--f-title); font-weight:700; margin:0; line-height:1.15; letter-spacing:-.01em; }
p{ margin:0; }
button{ font:inherit; color:inherit; cursor:pointer; border:none; background:none; }
select{ font:inherit; color:inherit; }
code{ font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px; }

/* ---------- 3. background layer ---------- */
.plasma-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.5;
  background:
    radial-gradient(60vw 60vw at 12% 8%, rgba(255,51,102,.16), transparent 60%),
    radial-gradient(50vw 50vw at 88% 18%, rgba(255,215,0,.18), transparent 62%),
    radial-gradient(70vw 70vw at 50% 105%, rgba(0,204,136,.14), transparent 60%);
  animation:plasma 22s var(--ease) infinite alternate;
}
@keyframes plasma{
  0%{ transform:translate3d(0,0,0) scale(1); }
  50%{ transform:translate3d(-2%,2%,0) scale(1.06); }
  100%{ transform:translate3d(2%,-1%,0) scale(1.02); }
}

/* ---------- 4. header / tabs ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,248,240,.82);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:2px solid transparent;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled{ border-bottom-color:var(--border); box-shadow:0 6px 22px rgba(255,51,102,.08); }
.site-header__inner{
  max-width:1180px; margin:0 auto; padding:0 40px;
  height:var(--nav-h);
  display:grid; grid-template-columns:1fr auto 1fr;
  align-items:center; column-gap:16px;
}
.brand{ justify-self:start; display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand__mark{
  width:38px; height:38px; border-radius:12px; overflow:hidden;
  background:var(--primary-soft); display:grid; place-items:center;
  box-shadow:0 3px 0 var(--border-strong);
}
.brand__mark img{ width:34px; height:34px; image-rendering:pixelated; }
.brand__name{ font-family:var(--f-title); font-weight:800; font-size:21px; letter-spacing:-.02em; display:flex; flex-direction:column; line-height:1; }
.brand__sub{ font-family:var(--f-body); font-weight:500; font-size:11px; color:var(--text-faint); letter-spacing:.16em; margin-top:3px; }

.tabs{ justify-self:center; display:flex; gap:4px; background:var(--surface); padding:5px; border-radius:var(--r-pill); box-shadow:0 2px 0 var(--border); white-space:nowrap; }
.tab{
  display:flex; align-items:center; gap:7px;
  padding:9px 18px; border-radius:var(--r-pill);
  font-family:var(--f-title); font-weight:700; font-size:15px; color:var(--text-soft);
  transition:background .22s var(--ease), color .22s var(--ease), transform .22s var(--spring);
}
.tab:hover{ color:var(--text); transform:translateY(-1px); }
.tab.is-on{ background:var(--primary); color:#fff; box-shadow:0 3px 0 var(--primary-deep); }
.tab__ico{ font-size:15px; }
.tab__n{
  min-width:20px; height:20px; padding:0 5px; border-radius:var(--r-pill);
  background:var(--primary-soft); color:var(--primary-deep);
  font-family:var(--f-body); font-weight:600; font-size:11px;
  display:grid; place-items:center;
}
.tab.is-on .tab__n{ background:rgba(255,255,255,.28); color:#fff; }

.head-right{ justify-self:end; min-width:0; display:flex; align-items:center; gap:10px; }
.socials{ display:flex; align-items:center; gap:7px; }
.social{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; padding:0; border-radius:11px;
  background:var(--surface); color:var(--text-soft);
  box-shadow:0 3px 0 var(--border-strong);
  transition:transform .22s var(--spring), box-shadow .22s var(--ease), color .2s var(--ease);
}
.social:hover{ transform:translateY(-2px); box-shadow:0 5px 0 var(--border-strong), var(--shadow-pop); color:var(--text); }
.social:active{ transform:translateY(2px); box-shadow:0 1px 0 var(--border-strong); }
.social svg{ display:block; flex:0 0 auto; width:18px; height:18px; }
.social__lb{ font-family:var(--f-title); font-weight:700; font-size:12.5px; letter-spacing:-.01em; }
.social#soX{ width:34px; }

.wallet-chip{
  flex-shrink:0; display:flex; align-items:center; gap:9px;
  padding:9px 15px; border-radius:var(--r-pill);
  background:var(--surface); box-shadow:0 3px 0 var(--border-strong);
  font-family:var(--f-title); font-weight:700; font-size:13.5px; white-space:nowrap;
  transition:transform .22s var(--spring), box-shadow .22s var(--ease);
}
.wallet-chip:hover{ transform:translateY(-2px); box-shadow:0 5px 0 var(--border-strong), var(--shadow-pop); }
.wallet-chip:active{ transform:translateY(2px); box-shadow:0 1px 0 var(--border-strong); }
.wallet-chip__dot{ width:9px; height:9px; border-radius:50%; background:var(--text-faint); transition:background .2s; }
.wallet-chip.is-connected{ background:var(--tertiary-soft); color:var(--tertiary-deep); box-shadow:0 3px 0 #B6E6D2; }
.wallet-chip.is-connected .wallet-chip__dot{ background:var(--tertiary); box-shadow:0 0 0 3px rgba(0,204,136,.22); }

/* ---------- 5. stage / page switch ---------- */
.stage{ position:relative; z-index:1; flex:1 0 auto; }
.view{ display:none; }
.view.is-active{ display:block; animation:pageIn .3s var(--spring); }
@keyframes pageIn{ from{ opacity:0; transform:scale(.985) translateY(6px); } to{ opacity:1; transform:none; } }

.page{ max-width:1180px; margin:0 auto; padding:34px 40px 64px; }
.page__head{ margin-bottom:26px; display:flex; flex-direction:column; gap:8px; }
.page__head--row{ flex-direction:row; align-items:flex-end; justify-content:space-between; gap:16px; }
.kicker{
  font-size:12px; font-weight:600; letter-spacing:.18em; text-transform:uppercase;
  color:var(--text-faint);
}
.page__title{
  font-size:clamp(32px,5vw,56px); font-weight:800; line-height:1.02; letter-spacing:-.5px;
  background:linear-gradient(135deg,var(--primary),var(--accent-purple));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  text-shadow:3px 3px 0 rgba(255,215,0,.85), 6px 6px 0 rgba(0,0,0,.10);
}
.page__sub{ color:var(--text-soft); font-size:16px; max-width:640px; }

/* title entrance (text pressure: letters pop in) */
.page__title .ch{ display:inline-block; animation:chPop .5s var(--spring) both; }
@keyframes chPop{ from{ opacity:0; transform:translateY(24px) scale(.7) rotate(-6deg); } to{ opacity:1; transform:none; } }
.kicker .ch{ display:inline-block; animation:kIn .45s var(--ease) both; }
@keyframes kIn{ from{ opacity:0; transform:translateX(-1.2em); } to{ opacity:1; transform:none; } }

/* ---------- 6. buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:44px; padding:11px 22px; border-radius:var(--r-md);
  font-family:var(--f-title); font-weight:700; font-size:15px; white-space:nowrap;
  transition:transform .2s var(--spring), box-shadow .2s var(--ease), background .2s var(--ease), opacity .2s;
}
.btn:focus-visible{ outline:none; box-shadow:0 0 0 3px var(--primary-soft); }
.btn-sm{ min-height:36px; padding:7px 14px; font-size:13px; border-radius:var(--r-sm); }
.btn-lg{ min-height:50px; padding:14px 30px; font-size:17px; }
.btn-block{ width:100%; }

.btn-primary{ background:var(--primary); color:#fff; box-shadow:0 4px 0 var(--primary-deep); }
.btn-primary:hover:not(:disabled){ transform:translateY(-2px); box-shadow:0 6px 0 var(--primary-deep), var(--shadow-pop); }
.btn-primary:active:not(:disabled){ transform:translateY(3px); box-shadow:0 1px 0 var(--primary-deep); }

.btn-ghost{ background:var(--surface); color:var(--text); box-shadow:0 0 0 2px var(--border-strong) inset, 0 3px 0 var(--border); }
.btn-ghost:hover:not(:disabled){ transform:translateY(-2px); box-shadow:0 0 0 2px var(--border-strong) inset, 0 5px 0 var(--border); }

.btn:disabled{ opacity:.45; cursor:not-allowed; box-shadow:none; transform:none; }
.btn.is-loading::before{
  content:""; width:14px; height:14px; border-radius:50%;
  border:2.5px solid currentColor; border-top-color:transparent;
  animation:spin .7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

.pill-btn{
  padding:7px 15px; border-radius:var(--r-pill);
  background:var(--surface); box-shadow:0 2px 0 var(--border);
  font-family:var(--f-title); font-weight:700; font-size:13px; color:var(--text-soft);
  transition:all .2s var(--spring);
}
.pill-btn:hover{ color:var(--primary); transform:translateY(-1px); }
.pill-btn.is-on{ background:var(--primary); color:#fff; box-shadow:0 2px 0 var(--primary-deep); }

/* ---------- 7. card base ---------- */
.card{
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  box-shadow:var(--shadow-card); padding:22px;
  transition:transform .24s var(--spring), box-shadow .24s var(--ease);
}
.sec-title{ font-size:19px; font-weight:700; }
.hint-inline{ font-family:var(--f-body); font-size:13px; font-weight:400; color:var(--text-faint); }
.chip{
  display:inline-flex; align-items:center; gap:5px; padding:5px 13px; border-radius:var(--r-pill);
  background:var(--surface); box-shadow:0 2px 0 var(--border);
  font-family:var(--f-title); font-weight:700; font-size:13px; color:var(--text-soft);
}
.chip--green{ background:var(--tertiary-soft); color:var(--tertiary-deep); box-shadow:0 2px 0 #B6E6D2; }
.chip--gold{ background:#FFF6D6; color:#B88A00; box-shadow:0 2px 0 #F0DFA0; }
.chip--red{ background:var(--primary-soft); color:var(--primary-deep); box-shadow:0 2px 0 #F7C2D3; }
.chip--blue{ background:var(--accent-blue-soft); color:var(--accent-blue); box-shadow:0 2px 0 #C2E0FB; }
.lbl{ font-family:var(--f-body); font-size:11px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); }
.num{ font-family:var(--f-title); font-weight:800; font-size:28px; line-height:1; letter-spacing:-.5px; }
.num--sm{ font-size:20px; }
.num i{ font-family:var(--f-body); font-style:normal; font-size:12px; font-weight:600; color:var(--text-faint); margin-left:3px; }

/* ---------- 8. stat strip ---------- */
.stat-strip{
  display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:22px;
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  padding:16px; box-shadow:var(--shadow-card);
}
.stat{ display:flex; flex-direction:column; gap:6px; padding:0 6px; }
.stat + .stat{ border-left:2px dashed var(--border); }
.stat--red .num{ color:var(--primary); }
.stat--gold .num{ color:var(--secondary-deep); }
.stat--green .num{ color:var(--tertiary-deep); }
.stat--blue .num{ color:var(--accent-blue); }

/* ---------- 9. mint page ---------- */
.mint-row{ display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-bottom:22px; }
.game-card{
  position:relative; display:flex; flex-direction:column; gap:12px;
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  padding:22px; box-shadow:var(--shadow-card);
  transition:transform .26s var(--spring), box-shadow .26s var(--ease);
}
.game-card:hover{ transform:translateY(-4px) rotate(-.4deg); box-shadow:var(--shadow-pop); }
.game-card--worm{ border-color:#CDEBD8; }
.game-card__ribbon{
  position:absolute; top:-13px; left:22px; padding:4px 14px; border-radius:var(--r-pill);
  background:var(--primary); color:#fff; font-family:var(--f-title); font-weight:800; font-size:12px;
  letter-spacing:.1em; box-shadow:0 3px 0 var(--primary-deep);
}
.game-card__ribbon--worm{ background:var(--tertiary); box-shadow:0 3px 0 var(--tertiary-deep); }
.game-card__title{ font-size:25px; }
.game-card__desc{ font-size:14px; color:var(--text-soft); }
.game-card__stage{
  position:relative; border-radius:var(--r-md); overflow:hidden;
  background:var(--bg-deep); border:2px solid var(--border); aspect-ratio:16/9;
}
.game-card__stage canvas{ width:100%; height:100%; display:block; }
.game-card__stage iframe{ width:100%; height:100%; display:block; border:0; background:#87CEEB; }
.game-card__veil.is-hidden{ opacity:0; transform:translateY(14px); pointer-events:none; }
.game-card__veil{
  position:absolute; inset:auto 0 0 0; z-index:1; display:flex; align-items:center; justify-content:center; gap:12px;
  padding:14px 16px 16px; text-align:center;
  background:linear-gradient(to top, rgba(255,248,240,.96) 18%, rgba(255,248,240,.72) 55%, rgba(255,248,240,0) 100%);
  transition:opacity .34s var(--ease), transform .34s var(--ease);
}
.game-card__stage.is-playing .game-card__veil{ opacity:0; transform:translateY(14px); pointer-events:none; }
.game-card__veil strong{ font-family:var(--f-title); font-size:16px; }
.game-card__veil-ico{ font-size:26px; animation:bob 2.2s var(--ease) infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0) rotate(-4deg); } 50%{ transform:translateY(-7px) rotate(4deg); } }
.game-card__foot{ display:flex; align-items:center; justify-content:space-between; gap:14px; }
.price-box{ display:flex; flex-direction:column; gap:3px; }

/* quantity slider shown above the mint button (worm card) */
.qty-row{ display:flex; flex-direction:column; gap:8px; margin-bottom:14px; }
.qty-row__head{ display:flex; align-items:baseline; justify-content:space-between; }
.qty-row__head .lbl{ font-size:12.5px; color:var(--text-soft); font-weight:600; }
.qty-row__val{ font-size:22px; font-weight:800; color:var(--tertiary-deep); font-family:var(--f-title); line-height:1; }
.qty-row__scale{ display:flex; justify-content:space-between; font-size:11px; color:var(--text-faint); }
.qty-range{
  -webkit-appearance:none; appearance:none; width:100%; height:8px; border-radius:999px;
  background:var(--tertiary-soft); outline:none; cursor:pointer;
}
.qty-range::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none; width:22px; height:22px; border-radius:50%;
  background:#fff; border:3px solid var(--tertiary-deep); cursor:pointer;
  box-shadow:0 2px 6px rgba(0,0,0,.18);
}
.qty-range::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%; background:#fff;
  border:3px solid var(--tertiary-deep); cursor:pointer; box-shadow:0 2px 6px rgba(0,0,0,.18);
}
.game-card__note{ font-size:12.5px; color:var(--text-faint); border-top:2px dashed var(--border); padding-top:10px; }
.game-card__note b{ color:var(--secondary-deep); font-family:var(--f-title); }

/* ---------- 10. card grid (flock / my birds) ---------- */
.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; align-content:start; }
.bird-card{
  display:flex; flex-direction:column; gap:12px;
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  padding:18px; box-shadow:var(--shadow-card);
  transition:transform .24s var(--spring), box-shadow .24s var(--ease);
}
.bird-card:hover{ transform:translateY(-4px) rotate(-.4deg); box-shadow:var(--shadow-pop); }
.bird-card__head{ display:flex; align-items:center; justify-content:space-between; gap:8px; }
.bird-card__name{ font-family:var(--f-title); font-weight:800; font-size:16px; }
.bird-card__body{ display:flex; align-items:center; gap:14px; }
.bird-card__art{
  width:76px; height:76px; flex-shrink:0; border-radius:var(--r-md);
  background:var(--bg-deep); display:grid; place-items:center; border:2px solid var(--border);
}
.bird-card__art img{ width:64px; height:64px; image-rendering:pixelated; }
.bird-card__art img.is-broken{ opacity:.35; filter:grayscale(1); }
.bird-card__stats{ display:flex; flex-direction:column; gap:9px; flex:1; }
.bird-card__stats > div{ display:flex; align-items:center; justify-content:space-between; }
.bird-card__stat-label{ font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-faint); font-weight:600; }
.bird-card__stat-num{ font-family:var(--f-title); font-weight:800; font-size:17px; }
.bird-card__stat-num--red{ color:var(--primary); }
.bird-card__foot{ display:flex; align-items:flex-end; justify-content:space-between; gap:10px; border-top:2px dashed var(--border); padding-top:12px; }
.bird-card__actions{ display:flex; gap:8px; }
.bird-card__protect{ font-size:12px; color:var(--accent-blue); font-weight:600; }

/* status badge (3D flip) */
.badge{
  display:inline-flex; align-items:center; gap:5px; padding:4px 12px; border-radius:var(--r-pill);
  font-family:var(--f-title); font-weight:700; font-size:12.5px;
  animation:badgeFlip .5s var(--spring);
}
@keyframes badgeFlip{ from{ transform:rotateX(-90deg); opacity:0; } to{ transform:none; opacity:1; } }
.badge--idle{ background:var(--accent-blue-soft); color:var(--accent-blue); }
.badge--nest{ background:var(--tertiary-soft); color:var(--tertiary-deep); }
.badge--gain{ background:#FFF6D6; color:#B88A00; }
.badge--fed{ background:var(--primary-soft); color:var(--primary-deep); }
.badge--cd{ background:#FFF1E0; color:#C4700A; }
.badge--ready{ background:#E8F7EC; color:#1E8A44; }
.bird-card__raid{ grid-column:1 / -1; display:flex; justify-content:flex-start; margin-top:2px; }

/* bubble buttons */
.bubble-bar{ display:flex; gap:8px; }
.bubble-btn{
  padding:8px 15px; border-radius:var(--r-pill);
  background:var(--surface); box-shadow:0 3px 0 var(--border-strong);
  font-family:var(--f-title); font-weight:700; font-size:13.5px;
  animation:bubbleUp .3s var(--spring) both;
  transition:transform .2s var(--spring), box-shadow .2s var(--ease);
}
.bubble-btn:nth-child(2){ animation-delay:.06s; }
@keyframes bubbleUp{ from{ opacity:0; transform:translateY(10px) scale(.85); } to{ opacity:1; transform:none; } }
.bubble-btn:hover{ transform:translateY(-2px); }
.bubble-btn--go{ background:var(--primary); color:#fff; box-shadow:0 3px 0 var(--primary-deep); }
.bubble-btn--raid{ background:var(--tertiary); color:#fff; box-shadow:0 3px 0 var(--tertiary-deep); }
.bubble-btn--raid:disabled{ background:var(--border); color:var(--text-faint); box-shadow:none; cursor:not-allowed; }
.bubble-btn:disabled:hover{ transform:none; }

/* empty state */
.empty-slot{
  display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center;
  padding:48px 24px; background:var(--surface); border:2px dashed var(--border-strong);
  border-radius:var(--r-lg); color:var(--text-soft);
}
.empty-slot .ico{ font-size:40px; }
.empty-slot h3{ font-size:20px; color:var(--text); }

/* ---------- 10c. loading / stale states ---------- */
.stale-hint{
  position:fixed; top:14px; left:50%; transform:translateX(-50%); z-index:9600;
  background:#fff7e6; color:#8a6100; border:1px solid #f0d9a8;
  padding:8px 16px; border-radius:999px; font-size:13px; font-weight:600;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
}

/* ---------- 11. nests ---------- */
.nest-panel{ margin-bottom:26px; }
.nest-panel__head,.my-birds__head,.field-wrap__head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; }
.nest-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.nest-cell.is-blank{ visibility:hidden; box-shadow:none; }

/* ---------- 10d. nest pager ---------- */
.nest-pager{ display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap; margin-top:18px; }
.nest-page__nav{
  width:38px; height:38px; border-radius:var(--r-md); display:grid; place-items:center;
  background:var(--surface); border:2px solid var(--border); box-shadow:var(--shadow-card);
  font-family:var(--f-title); font-weight:800; font-size:18px; color:var(--text-soft);
  cursor:pointer; transition:transform .2s var(--spring), box-shadow .2s var(--ease), opacity .2s;
}
.nest-page__nav:hover:not(:disabled){ transform:translateY(-2px); box-shadow:var(--shadow-pop); }
.nest-page__nav:disabled{ opacity:.35; cursor:not-allowed; }
.nest-page__nums{ display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.nest-page__num{
  min-width:38px; height:38px; padding:0 10px; border-radius:var(--r-md); cursor:pointer;
  background:var(--surface); border:2px solid var(--border); box-shadow:var(--shadow-card);
  font-family:var(--f-title); font-weight:800; font-size:15px; color:var(--text-soft);
  transition:transform .2s var(--spring), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
}
.nest-page__num:hover{ transform:translateY(-2px); box-shadow:var(--shadow-pop); }
.nest-page__num.is-on{ background:var(--primary); border-color:var(--primary); color:#fff; }
.nest-page__info{ margin-left:4px; font-size:12.5px; color:var(--text-faint); }
.nest-cell{
  display:flex; align-items:center; gap:14px; align-self:stretch; height:100%;
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  padding:14px 16px; box-shadow:var(--shadow-card);
  transition:transform .24s var(--spring), box-shadow .24s var(--ease);
}
.nest-cell:hover{ transform:translateY(-3px); box-shadow:var(--shadow-pop); }
.nest-cell.is-empty{ border-style:dashed; background:var(--surface-warm); }
.nest-cell.is-mine{ border-color:#B6E6D2; background:var(--tertiary-soft); }
.nest-cell__no{
  flex-shrink:0; width:44px; height:44px; border-radius:var(--r-md); display:grid; place-items:center;
  background:var(--bg-deep); font-family:var(--f-title); font-weight:800; font-size:15px; color:var(--text-soft);
}
.nest-cell__art{
  width:52px; height:52px; border-radius:var(--r-sm); background:var(--bg-deep); display:grid; place-items:center; flex-shrink:0;
}
.nest-cell__art img{ width:44px; height:44px; image-rendering:pixelated; }
.nest-cell__info{ display:flex; flex-direction:column; gap:3px; min-width:0; }
.nest-cell__name{ font-family:var(--f-title); font-weight:700; font-size:15px; }
.nest-cell__meta{ font-size:12.5px; color:var(--text-faint); }
.nest-cell__pulse{ position:relative; }
.nest-cell.is-mine::after{
  content:""; position:absolute; inset:0; border-radius:var(--r-lg); pointer-events:none;
  box-shadow:0 0 0 0 rgba(0,204,136,.5); animation:nestPulse 2.4s var(--ease) infinite;
}
@keyframes nestPulse{ 70%{ box-shadow:0 0 0 12px rgba(0,204,136,0); } 100%{ box-shadow:0 0 0 0 rgba(0,204,136,0); } }

/* ---------- 12. worm farm ---------- */
.field-wrap{ margin-bottom:22px; }

/* worm NFT cards: 5 cols */
.worm-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:10px; align-content:start; }
.worm-card{
  background:var(--surface); border-radius:var(--r-md); overflow:hidden;
  box-shadow:0 3px 0 var(--border); display:flex; flex-direction:column;
  transition:transform .22s var(--spring), box-shadow .22s var(--ease);
}
.worm-card:hover{ transform:translateY(-4px); box-shadow:0 7px 0 var(--border); }
.worm-card__art{
  aspect-ratio:1/1; background:#fff; display:grid; place-items:center;
  overflow:hidden;
}
.worm-card__art img{ width:100%; height:100%; object-fit:contain; display:block; }
.worm-card__meta{
  display:flex; align-items:center; justify-content:space-between; gap:6px;
  padding:8px 10px;
}
.worm-card__name{ font-size:12.5px; font-weight:700; color:var(--text); }
.worm-card__id{ font-size:11.5px; color:var(--text-faint); font-variant-numeric:tabular-nums; }
/* safety net: cards injected by the pager never go through revealIn(),
   so force them visible regardless of any [data-stagger] rule */
.worm-grid .worm-card{ opacity:1 !important; animation:none !important; }

.field{
  position:relative; min-height:170px; border-radius:var(--r-lg); overflow:hidden;
  background:
    repeating-linear-gradient(90deg, rgba(160,120,80,.09) 0 2px, transparent 2px 46px),
    repeating-linear-gradient(0deg, rgba(160,120,80,.09) 0 2px, transparent 2px 46px),
    var(--bg-deep);
  border:2px solid var(--border);
  padding:22px; display:flex; flex-wrap:wrap; gap:16px; align-content:flex-start;
}
.field__empty{
  width:100%; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  color:var(--text-faint); font-size:14px; min-height:126px; text-align:center;
}
.worm-tile{
  width:56px; display:flex; flex-direction:column; align-items:center; gap:5px;
  cursor:pointer; transition:transform .22s var(--spring);
}
.worm-tile:hover{ transform:translateY(-4px) scale(1.06); }
.worm-tile__art{
  width:46px; height:46px; border-radius:14px; display:grid; place-items:center;
  background:var(--surface); box-shadow:0 3px 0 var(--border), inset 0 0 0 2px transparent;
  animation:wormBob 3s var(--ease) infinite;
}
.worm-tile:nth-child(3n) .worm-tile__art{ animation-delay:.5s; }
.worm-tile:nth-child(4n) .worm-tile__art{ animation-delay:1s; }
@keyframes wormBob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-4px); } }
.worm-tile__id{ font-size:11px; color:var(--text-faint); font-weight:600; }
.worm-tile.is-selected .worm-tile__art{ background:var(--tertiary-soft); box-shadow:0 3px 0 var(--tertiary-deep), inset 0 0 0 2.5px var(--tertiary); }
.worm-tile.is-selected .worm-tile__id{ color:var(--tertiary-deep); }

/* action row */
.ops-row{ display:grid; grid-template-columns:1fr 1.4fr; gap:18px; margin-bottom:20px; align-items:start; }
.op-card{ display:flex; flex-direction:column; gap:16px; }
.op-card--feed{ background:var(--surface-warm); }
.stepper-row{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.stepper{ display:flex; align-items:center; gap:10px; }
.step-btn{
  width:42px; height:42px; border-radius:var(--r-md); display:grid; place-items:center;
  background:var(--surface); box-shadow:0 3px 0 var(--border-strong);
  font-size:21px; font-weight:700; color:var(--text-soft);
  transition:transform .2s var(--spring), box-shadow .2s;
}
.step-btn:hover{ transform:translateY(-2px); color:var(--primary); }
.step-btn:active{ transform:translateY(2px); box-shadow:0 1px 0 var(--border-strong); }
.step-val{ min-width:52px; text-align:center; font-family:var(--f-title); font-weight:800; font-size:26px; }
.quick-row{ display:flex; gap:7px; }
.op-card__foot{ display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.cost-line{ font-size:14px; color:var(--text-soft); }
.cost-line b{ font-family:var(--f-title); font-weight:800; font-size:19px; color:var(--secondary-deep); }
.feed-target{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.pill-select{
  flex:1; min-width:190px; padding:11px 16px; border-radius:var(--r-md);
  background:var(--surface); border:2px solid var(--border-strong);
  font-family:var(--f-body); font-weight:500; font-size:14px;
  appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%239C8F86' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 16px center;
}
.pill-select:focus{ outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-soft); }
.feed-tools{ display:flex; gap:8px; }
.feed-delta{
  min-height:26px; font-family:var(--f-title); font-weight:800; font-size:19px; color:var(--tertiary-deep);
  display:flex; align-items:center; gap:8px;
}
.feed-delta .up{ animation:deltaRise .8s var(--spring) both; }
@keyframes deltaRise{ from{ opacity:0; transform:translateY(14px) scale(.8); } to{ opacity:1; transform:none; } }

/* ---------- 13. modal ---------- */
.modal-veil{
  position:fixed; inset:0; z-index:9000; display:grid; place-items:center;
  background:rgba(45,45,45,.35); backdrop-filter:blur(6px);
  animation:veilIn .22s var(--ease);
}
@keyframes veilIn{ from{ opacity:0; } to{ opacity:1; } }
.modal-panel{
  position:relative; width:min(440px,calc(100vw - 40px));
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-lg);
  padding:26px; box-shadow:var(--shadow-pop);
  animation:panelIn .26s var(--spring);
}
@keyframes panelIn{ from{ opacity:0; transform:scale(.9) translateY(12px); } to{ opacity:1; transform:none; } }
.modal-panel h3{ font-size:22px; margin-bottom:6px; }
.modal-panel p{ color:var(--text-soft); font-size:14px; }
.modal-x{
  position:absolute; top:16px; right:16px; width:34px; height:34px; border-radius:50%;
  display:grid; place-items:center; background:var(--bg-deep); font-size:16px; color:var(--text-soft);
  transition:transform .2s var(--spring), background .2s;
}
.modal-x:hover{ transform:rotate(90deg); background:var(--primary-soft); color:var(--primary); }
.modal-body{ margin:18px 0; display:flex; flex-direction:column; gap:14px; }
.modal-foot{ display:flex; gap:10px; justify-content:flex-end; }
.modal-sum{ display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-radius:var(--r-md); background:var(--bg-deep); }
.modal-sum b{ font-family:var(--f-title); font-weight:800; font-size:19px; }

/* ---------- 14. Toast ---------- */
.toast-root{ position:fixed; left:50%; bottom:28px; transform:translateX(-50%); z-index:9500; display:flex; flex-direction:column; gap:10px; align-items:center; pointer-events:none; }
.toast{
  padding:12px 24px; border-radius:var(--r-pill);
  background:var(--surface); border:2px solid var(--border);
  font-family:var(--f-title); font-weight:700; font-size:14.5px; color:var(--text);
  box-shadow:0 6px 0 var(--border), 0 12px 30px rgba(255,51,102,.16);
  animation:toastIn .32s var(--spring), toastOut .3s var(--ease) 2.3s forwards;
}
@keyframes toastIn{ from{ opacity:0; transform:translateY(24px) scale(.9); } to{ opacity:1; transform:none; } }
@keyframes toastOut{ to{ opacity:0; transform:translateY(14px) scale(.96); } }
.toast--success{ background:var(--tertiary-soft); color:var(--tertiary-deep); border-color:#B6E6D2; box-shadow:0 6px 0 #B6E6D2; }
.toast--error{ background:var(--primary-soft); color:var(--primary-deep); border-color:#F7C2D3; box-shadow:0 6px 0 #F7C2D3; }
.toast--info{ background:var(--accent-blue-soft); color:#1D6FBF; border-color:#C2E0FB; box-shadow:0 6px 0 #C2E0FB; }

/* ---------- 15. footer ---------- */
.site-footer{
  position:relative; z-index:1; border-top:2px solid var(--border);
  background:var(--surface-warm); margin-top:20px;
}
.site-footer__in{
  max-width:1180px; margin:0 auto; padding:22px 40px;
  display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;
  font-family:var(--f-title); font-weight:700; font-size:14px;
}
.site-footer__sub{ font-family:var(--f-body); font-weight:400; font-size:12.5px; color:var(--text-faint); }
.site-footer__codes{ display:flex; gap:10px; }
.addr-chip{
  display:inline-flex; align-items:center; gap:7px;
  padding:5px 12px; border-radius:var(--r-pill); background:var(--bg-deep);
  border:none; cursor:pointer; font-family:var(--f-body); font-size:12.5px;
  color:var(--text-faint); transition:background .15s var(--ease), color .15s var(--ease);
}
.addr-chip:hover{ background:var(--surface-warm-hi, var(--bg-deep)); color:var(--text); }
.addr-chip:active{ transform:scale(.97); }
.addr-chip__label{ font-family:var(--f-title); font-weight:700; opacity:.75; }
.addr-chip__val{ font-variant-numeric:tabular-nums; }
.addr-chip__ico{ opacity:.5; font-size:13px; }
.addr-chip.is-copied{ background:var(--accent-soft, var(--bg-deep)); color:var(--accent, var(--text)); }
.addr-chip.is-copied .addr-chip__ico{ opacity:1; }

/* ---------- 16. entrance motion utilities ---------- */
[data-stagger]{ opacity:0; }
[data-stagger].is-in{ animation:staggerIn .5s var(--spring) both; }
[data-stagger].is-in:nth-child(2n){ animation-delay:.06s; }
[data-stagger].is-in:nth-child(3n){ animation-delay:.12s; }
@keyframes staggerIn{ from{ opacity:0; transform:translateY(26px) scale(.96); } to{ opacity:1; transform:none; } }
[data-fade]{ opacity:0; }
[data-fade].is-in{ animation:fadeUp .5s var(--ease) both; }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }

/* click spark */
.spark{ position:fixed; width:9px; height:9px; border-radius:50%; pointer-events:none; z-index:9600; animation:sparkOut .55s var(--ease) forwards; }
@keyframes sparkOut{ to{ transform:translate(var(--dx),var(--dy)) scale(.2); opacity:0; } }

/* ---------- 17. responsive ---------- */
@media (max-width:1180px){
  .site-header__inner,.page,.site-footer__in{ padding-left:28px; padding-right:28px; }
}
@media (max-width:1080px){
  .social__lb{ display:none; }
  .social{ padding:0 11px; }
}
@media (max-width:900px){
  .card-grid{ grid-template-columns:repeat(2,1fr); }
  .worm-grid{ grid-template-columns:repeat(4,1fr); }
  .ops-row{ grid-template-columns:1fr; }
  .stat-strip{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .stat:nth-child(odd){ border-left:none; }
  .stat:nth-child(n+3){ border-top:2px dashed var(--border); padding-top:12px; }
}
@media (max-width:760px){
  :root{ --nav-h:64px; }
  .site-header__inner{
    display:flex; flex-wrap:wrap; height:auto; padding:10px 16px; gap:10px;
  }
  .head-right{ justify-self:auto; margin-left:auto; width:auto; justify-content:flex-end; gap:8px; }
  .brand{ order:1; }
  .wallet-chip{ order:2; margin-left:auto; padding:8px 14px; font-size:13px; }
  .tabs{ order:3; width:100%; justify-self:auto; margin:0; justify-content:space-between; padding:4px; }
  .tab{ flex:1; justify-content:center; padding:9px 8px; font-size:13.5px; gap:5px; }
  .tab__tx{ display:none; }
  .page{ padding:24px 16px 56px; }
  .page__head--row{ flex-direction:column; align-items:flex-start; }
  .page__title{ font-size:34px; text-shadow:2px 2px 0 rgba(255,215,0,.85), 4px 4px 0 rgba(0,0,0,.10); }
  .mint-row{ grid-template-columns:1fr; }
  .card-grid{ grid-template-columns:1fr; }
  .worm-grid{ grid-template-columns:repeat(2,1fr); }
  .nest-grid{ grid-template-columns:1fr 1fr; }
  .stat-strip{ padding:14px; }
  .site-footer__in{ padding:18px 16px; flex-direction:column; align-items:flex-start; }
}
@media (max-width:420px){
  .page__title{ font-size:29px; }
  .quick-row{ width:100%; }
  .pill-btn{ flex:1; }
}

/* ---------- 18. reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important; scroll-behavior:auto !important;
  }
  .plasma-bg{ display:none !important; }
  [data-stagger],[data-fade]{ opacity:1 !important; }
}

/* ---------- 19. grab-nest modal / feed estimate ---------- */
.modal-panel{ width:min(520px,calc(100vw - 40px)); }
.modal-title{ font-family:var(--f-title); font-weight:800; font-size:24px; line-height:1.25; margin-bottom:8px; color:var(--text); }
.modal-sub{ color:var(--text-soft); font-size:14px; line-height:1.6; }
.modal-sub b{ font-family:var(--f-title); font-weight:800; color:var(--primary); font-size:16px; }
.modal-count{ margin-top:14px; font-family:var(--f-title); font-weight:700; font-size:15px; color:var(--text); text-align:center; }
.modal-count b{ color:var(--primary); font-size:20px; }

/* ---------- 20. reveal-result modal (commit/reveal countdown) ---------- */
.reveal-head{ text-align:center; }
.reveal-icon{
  font-size:44px; line-height:1; margin-bottom:6px;
  animation:revealBob 1.6s var(--ease) infinite alternate;
}
@keyframes revealBob{ from{ transform:translateY(0); } to{ transform:translateY(-6px); } }
.reveal-head .modal-title{ margin-bottom:10px; }
.reveal-head .modal-sub{ margin:0 auto; max-width:340px; }

.reveal-ring{ position:relative; width:150px; height:150px; margin:22px auto 6px; }
.reveal-ring svg{ width:100%; height:100%; transform:rotate(-90deg); }
.reveal-ring__track{ fill:none; stroke:var(--bg-deep); stroke-width:9; }
.reveal-ring__arc{
  fill:none; stroke:var(--primary); stroke-width:9; stroke-linecap:round;
  transition:stroke-dashoffset .12s linear;
  filter:drop-shadow(0 2px 6px rgba(255,51,102,.35));
}
.reveal-ring__num{
  position:absolute; inset:0; display:grid; place-items:center;
  font-family:var(--f-title); font-weight:800; font-size:52px; color:var(--primary);
  letter-spacing:-.02em;
}
.reveal-hint{
  text-align:center; color:var(--text-soft); font-size:14px; margin-bottom:18px;
}
.reveal-hint b{ font-family:var(--f-title); font-weight:800; color:var(--primary); font-size:16px; }
.reveal-btn{ margin-top:4px; }

.grab-grid{ margin-top:20px; display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.grab-cell{
  position:relative; display:flex; flex-direction:column; align-items:flex-start; gap:5px;
  padding:14px 16px; border-radius:var(--r-md); text-align:left;
  background:var(--bg-deep); border:2px solid var(--border-strong);
  transition:transform .16s var(--spring), border-color .16s, background .16s, box-shadow .16s;
}
.grab-cell:hover:not([disabled]){ transform:translateY(-3px); border-color:var(--primary); box-shadow:var(--shadow-card); background:var(--surface); }
.grab-cell.is-free{ background:#EAFBF3; border-color:#B6E6D2; }
.grab-cell[disabled]{ opacity:.55; cursor:not-allowed; }
.grab-cell__no{ font-family:var(--f-title); font-weight:800; font-size:17px; color:var(--text); }
.grab-cell__occ{ font-size:13px; font-weight:600; color:var(--text-soft); }
.cell-verdict{ font-size:12.5px; font-weight:700; letter-spacing:.01em; color:var(--text-faint); }
.cell-verdict--win{ color:var(--tertiary-deep); }
.cell-verdict--lose{ color:var(--primary-deep); }

/* nest-picker cell (no slot numbers, cartoon bird-nest) */
.grab-cell--nest{ align-items:center; justify-content:center; gap:6px; padding:18px 12px; text-align:center; }
.grab-cell__art{ font-size:34px; line-height:1; transition:transform .18s var(--spring); filter:drop-shadow(0 3px 5px rgba(0,0,0,.10)); }
.grab-cell--nest:hover:not([disabled]) .grab-cell__art{ transform:scale(1.12) translateY(-2px); }
.grab-cell__tag{ font-family:var(--f-title); font-weight:700; font-size:13px; color:var(--text-soft); }

.feed-delta .arrow{ color:var(--text-faint); font-size:15px; }
.feed-delta .plus{ font-size:14px; color:var(--tertiary-deep); }

@media (max-width:520px){
  .grab-grid{ grid-template-columns:1fr; }
}
.my-birds{ margin-top:34px; }
.my-birds__head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
#btnClaimAll{ margin-left:auto; }
#btnClaimAll:disabled{ background:var(--border); color:var(--text-faint); box-shadow:none; cursor:not-allowed; }
#btnClaimAll:disabled:hover{ transform:none; }
.my-birds__head .hint-inline{ flex-basis:100%; }

/* ---------- 21. motion layer (driven by app.js) ---------- */

/* --- hero letters pop in --- */
.hero-anim{ display:inline-block; }
.hero-ch{
  display:inline-block;
  animation:chPop .52s var(--spring) both;
}
@keyframes chPop{
  from{ opacity:0; transform:translateY(26px) scale(.62) rotate(-7deg); }
  60%{ opacity:1; }
  to{ opacity:1; transform:none; }
}

/* --- section title slide-in --- */
.split-anim{
  position:relative;
  animation:kIn .55s var(--ease) both;
}
.split-anim::after{
  content:"";
  position:absolute; left:0; bottom:-4px; height:3px; width:100%;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  transform-origin:left center;
  animation:underlineGrow .7s var(--ease) .25s both;
}
@keyframes kIn{
  from{ opacity:0; transform:translateX(-1.4em); letter-spacing:.12em; }
  to{ opacity:1; transform:none; }
}
@keyframes underlineGrow{
  from{ transform:scaleX(0); }
  to{ transform:scaleX(1); }
}

/* --- entrance reveal (alternating directions) --- */
[data-fade],[data-hero],[data-split]{ opacity:0; }
[data-fade].is-in,[data-hero].is-in,[data-split].is-in{ opacity:1; }
[data-fade].is-in{ animation:fadeUp .5s var(--ease) both; }
[data-stagger].is-in{ animation:staggerIn .58s var(--spring) both; }

/* stagger direction: odd from left, even from right */
.card-grid > [data-stagger]:nth-child(odd).is-in{ animation-name:staggerL; }
.card-grid > [data-stagger]:nth-child(even).is-in{ animation-name:staggerR; }
@keyframes staggerL{
  from{ opacity:0; transform:translateX(-26px) translateY(12px) scale(.96); }
  to{ opacity:1; transform:none; }
}
@keyframes staggerR{
  from{ opacity:0; transform:translateX(26px) translateY(12px) scale(.96); }
  to{ opacity:1; transform:none; }
}

/* --- click spark --- */
.spark-host{
  position:fixed; z-index:9999; pointer-events:none;
  width:0; height:0;
}
.spark-host > i{
  position:absolute; left:0; top:0;
  width:7px; height:7px; border-radius:50%;
  background:var(--primary);
  animation:sparkOut .5s var(--ease) both;
}
.spark-host > i:nth-child(2n){ background:var(--secondary); }
.spark-host > i:nth-child(3n){ background:var(--tertiary); }
.spark-host > i:nth-child(5n){ background:var(--accent-purple); }

/* --- background Plasma (the only heavy background) --- */
.plasma-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  opacity:0; transition:opacity .8s var(--ease);
  background:
    radial-gradient(60% 55% at 18% 22%, rgba(255,51,102,.18), transparent 62%),
    radial-gradient(50% 50% at 82% 16%, rgba(255,215,0,.20), transparent 60%),
    radial-gradient(55% 60% at 70% 88%, rgba(0,204,136,.16), transparent 62%),
    radial-gradient(48% 48% at 26% 84%, rgba(165,107,255,.14), transparent 60%);
  background-size:200% 200%, 200% 200%, 200% 200%, 200% 200%;
  filter:blur(28px);
}
.plasma-bg.is-on{
  opacity:1;
  animation:plasmaDrift 26s linear infinite;
}
@keyframes plasmaDrift{
  0%{ background-position:0% 0%, 100% 0%, 100% 100%, 0% 100%; }
  50%{ background-position:100% 100%, 0% 100%, 0% 0%, 100% 0%; }
  100%{ background-position:0% 0%, 100% 0%, 100% 100%, 0% 100%; }
}

/* --- feather cursor --- */

/* --- feed power delta float --- */
.feed-delta{
  min-height:0; margin-top:10px;
  font-family:var(--f-title); font-weight:800; font-size:19px;
  color:var(--tertiary-deep);
}
.feed-delta.is-on{
  animation:deltaRise .6s var(--spring) both;
}
@keyframes deltaRise{
  from{ opacity:0; transform:translateY(14px) scale(.8); }
  55%{ opacity:1; transform:translateY(-4px) scale(1.06); }
  to{ opacity:1; transform:none; }
}

/* --- reduced motion fallback --- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .plasma-bg,.spark-host{ display:none !important; }
  [data-fade],[data-hero],[data-split],[data-stagger]{ opacity:1 !important; }
}

/* ---------- 22. mini-game result overlay (snake win / crash) ---------- */
.game-overlay{
  position:absolute; inset:0; z-index:20;
  display:grid; place-items:center;
  padding:18px;
  background:rgba(31,61,20,.42);
  backdrop-filter:blur(3px); -webkit-backdrop-filter:blur(3px);
  animation:ovIn .22s var(--ease) both;
}
@keyframes ovIn{ from{ opacity:0; } to{ opacity:1; } }

.game-overlay__box{
  width:min(300px,100%); padding:22px 20px 20px;
  background:var(--surface); border-radius:var(--r-lg);
  border:2px solid var(--border);
  box-shadow:0 18px 44px rgba(31,61,20,.28);
  text-align:center;
  animation:ovBox .3s var(--spring) both;
}
@keyframes ovBox{
  from{ opacity:0; transform:translateY(14px) scale(.94); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}
.game-overlay__box h3{
  font-family:var(--f-title); font-size:22px; color:var(--text); margin:2px 0 0;
}
.game-overlay__box .btn{ min-height:46px; font-size:16px; }

/* ---------- 24. mint progress bar ---------- */
.mint-bar{ margin-top:14px; }
.mint-bar__top{
  display:flex; justify-content:space-between; align-items:baseline;
  font-size:13px; color:var(--text-soft); margin-bottom:7px;
}
.mint-bar__now b{
  font-family:var(--f-title); font-size:16px; color:var(--primary); margin:0 2px;
}
.mint-bar__goal b{ font-family:var(--f-title); color:var(--text); margin:0 2px; }
.mint-track{
  height:12px; border-radius:var(--r-pill);
  background:var(--primary-soft); overflow:hidden;
  box-shadow:inset 0 1px 3px rgba(255,51,102,.16);
}
.mint-fill{
  display:block; height:100%; width:0%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  transition:width .7s var(--spring);
}
.mint-bar--worm .mint-bar__now b{ color:var(--tertiary-deep); }
.mint-bar--worm .mint-track{ background:var(--tertiary-soft); box-shadow:inset 0 1px 3px rgba(0,168,111,.16); }
.mint-bar--worm .mint-fill{ background:linear-gradient(90deg,var(--tertiary),var(--tertiary-deep)); }

/* ---------- 25. flock ranking ---------- */
.rank-list{ display:flex; flex-direction:column; gap:10px; }
.rank-row{
  display:grid; grid-template-columns:56px 52px minmax(0,1fr) auto auto auto;
  align-items:center; gap:16px;
  padding:14px 20px; border-radius:var(--r-md);
  background:var(--surface); border:2px solid var(--border);
  transition:transform .18s var(--spring), box-shadow .18s var(--spring);
}
.rank-row:hover{ transform:translateY(-2px); box-shadow:0 8px 20px rgba(0,0,0,.06); }
.rank-row.is-me{ border-color:var(--primary); background:var(--primary-soft, #fff4f4); }
.rank-row__rk{ font-family:var(--f-head); font-weight:800; font-size:22px; text-align:center; color:var(--text-soft); }
.rank-row__rk--1{ color:#e8b400; }
.rank-row__rk--2{ color:#9aa7b5; }
.rank-row__rk--3{ color:#c98a5a; }
.rank-row__art{ width:52px; height:52px; border-radius:12px; overflow:hidden; background:var(--surface-warm); }
.rank-row__art img{ width:100%; height:100%; object-fit:cover; display:block; }
.rank-row__main{ min-width:0; display:flex; flex-direction:column; gap:3px; }
.rank-row__name{ font-family:var(--f-head); font-weight:700; font-size:16px; color:var(--text); }
.rank-row__owner{ font-size:12px; color:var(--text-faint); font-family:monospace; }
.rank-row__nest{ font-size:11px; color:var(--secondary-deep); font-weight:600; }
.rank-row__cell{ text-align:right; }
.rank-row__cell .k{ display:block; font-size:11px; color:var(--text-faint); margin-bottom:1px; }
.rank-row__cell .v{ font-family:var(--f-head); font-weight:700; font-size:17px; color:var(--text); }
.rank-row__cell .v--red{ color:var(--primary); }
@media (max-width:640px){
  .rank-row{ grid-template-columns:36px 44px minmax(0,1fr) auto auto auto; gap:8px; padding:12px 12px; }
  .rank-row__cell .k{ font-size:10px; }
  .rank-row__cell .v{ font-size:15px; }
  .rank-row__art{ width:44px; height:44px; }
  .rank-row__rk{ font-size:18px; }
  .rank-row__name{ font-size:14px; }
  .rank-row__owner{ font-size:11px; }
}

/* ---------- 23. feed modal ---------- */
.feed-modal-body{
  margin:22px 0 6px;
  display:flex; flex-direction:column; gap:18px;
}

/* row 1: bird art + current power */
.feed-modal-bird{
  display:flex; align-items:center; gap:16px;
  padding:16px 18px; border-radius:var(--r-md);
  background:var(--surface-warm); border:2px solid var(--border);
}
.feed-modal-bird img{
  width:88px; height:88px; border-radius:var(--r-md);
  object-fit:cover; image-rendering:pixelated;
  background:var(--bg-deep); box-shadow:0 3px 0 var(--border-strong);
  flex-shrink:0;
}
.feed-modal-bird > div{
  display:flex; flex-direction:column; gap:2px;
}
.fm-k{
  font-size:12px; font-weight:600; letter-spacing:.06em;
  text-transform:uppercase; color:var(--text-faint);
}
.fm-v{
  font-family:var(--f-title); font-weight:800; font-size:34px;
  line-height:1.05; color:var(--text);
}

/* row 2: stepper + quick pills */
.feed-modal-ctl{
  display:flex; flex-direction:column; gap:14px;
  padding:16px 18px; border-radius:var(--r-md);
  background:var(--bg-deep);
}
.feed-modal-ctl .stepper{
  display:flex; align-items:center; justify-content:center; gap:14px;
}
.step-input{
  width:96px; height:46px; text-align:center;
  font-family:var(--f-title); font-weight:800; font-size:22px; color:var(--text);
  background:var(--surface); border:2px solid var(--border); border-radius:var(--r-md);
  -moz-appearance:textfield;
}
.step-input::-webkit-outer-spin-button,
.step-input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }
.step-input:focus{ outline:none; border-color:var(--primary); }
.feed-modal-ctl .step-btn{
  width:46px; height:46px; border-radius:var(--r-md);
  font-size:24px; font-weight:800; line-height:1;
  background:var(--surface); color:var(--text); box-shadow:0 3px 0 var(--border-strong);
}
.feed-modal-ctl .quick-row{
  display:flex; gap:8px; justify-content:center; flex-wrap:wrap;
}

/* row 3: result preview */
.feed-modal-sum{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:14px 18px; border-radius:var(--r-md);
  background:var(--primary-soft);
  font-size:14px; font-weight:600; color:var(--text);
}
.feed-modal-sum b{
  font-family:var(--f-title); font-weight:800; font-size:22px; color:var(--text);
}
.fm-up{
  font-family:var(--f-title); font-weight:800; font-size:15px;
  color:var(--tertiary-deep, #0A8F5B);
}

/* action row */
.modal-actions{
  margin-top:22px; display:flex; gap:12px; justify-content:flex-end;
}

@media (max-width:420px){
  .feed-modal-bird img{ width:72px; height:72px; }
  .fm-v{ font-size:28px; }
  .feed-modal-sum b{ font-size:19px; }
}


/* ---------- 26. how to play ---------- */
.howto{
  position:relative; z-index:1;
  width:100%; max-width:1120px; margin:8px auto 40px;
  padding:0 20px;
}
.howto__title{
  font-size:30px; text-align:center; margin-bottom:8px;
  color:var(--text);
}
.howto__lead{
  text-align:center; color:var(--text-soft); font-size:15px;
  max-width:680px; margin:0 auto 28px; line-height:1.6;
}
.howto__grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:18px;
  max-width:820px; margin:0 auto;
}
.howto__card{
  background:var(--surface); border-radius:var(--r-lg);
  padding:22px 20px; box-shadow:var(--shadow-card);
  transition:transform .18s var(--spring), box-shadow .18s var(--ease);
}
.howto__card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(255,51,102,.16), 0 2px 0 rgba(255,201,168,.6);
}
.howto__ico{
  display:inline-grid; place-items:center;
  width:48px; height:48px; font-size:26px; border-radius:14px;
  background:var(--primary-soft); margin-bottom:14px;
}
.howto__card h3{
  font-size:17px; margin-bottom:8px; color:var(--text);
}
.howto__card p{
  color:var(--text-soft); font-size:14px; line-height:1.6;
}
.howto__card p b{ color:var(--primary-deep); font-weight:600; }

/* FAQ */
.howto__faq{
  margin-top:26px; background:var(--surface-warm);
  border-radius:var(--r-lg); box-shadow:var(--shadow-card);
  padding:6px 24px;
}
.howto__faq summary{
  cursor:pointer; list-style:none;
  font-family:var(--f-title); font-weight:700; font-size:18px;
  padding:18px 0; color:var(--text);
  display:flex; align-items:center; justify-content:space-between;
  user-select:none;
}
.howto__faq summary::-webkit-details-marker{ display:none; }
.howto__faq summary::after{
  content:"+"; font-size:24px; font-weight:400; color:var(--primary);
  transition:transform .2s var(--ease);
}
.howto__faq[open] summary::after{ transform:rotate(45deg); }
.howto__q{
  padding:14px 0; border-top:1px solid var(--border);
}
.howto__q h4{
  font-size:15px; margin-bottom:6px; color:var(--text);
}
.howto__q p{
  color:var(--text-soft); font-size:14px; line-height:1.65;
}
.howto__q p b{ color:var(--primary-deep); font-weight:600; }

@media (max-width:600px){
  .howto__title{ font-size:24px; }
  .howto__grid{ grid-template-columns:1fr; gap:14px; }
  .howto__card{ padding:18px 16px; }
  .howto__faq{ padding:4px 18px; }
}