/* =========================================================
   Phone app shell (2026-10-16) — the website feels like a native app on phones.
   EVERYTHING here is inside @media (max-width:760px) except the first rule, which keeps the app chrome
   hidden on larger screens. The desktop site must stay pixel-identical.
   Spec: ../docs/superpowers/specs/2026-10-16-phone-app-design.md
   Shared vocabulary for page work (use, never redefine): .app-only .desk-only .app-lt .app-eb .app-sec
   .app-sec-h .app-row .app-card .app-card-tx .app-pill .app-pill-dark .app-pill-ghost .app-cta
   ========================================================= */

.app-top,.app-tabs,.app-sheet,.app-backdrop,.app-hello,.app-toast,.app-only,.more-tip{display:none}

@media (max-width:760px){
  :root{
    --app-top:52px;
    --app-tabs:76px;
    --app-gut:20px;
    --app-r:18px;
    --app-ink-blush:#7e5f54;   /* small blush text: 5.2:1 on cream (Codex Gate 2: #8a6a5f was only 4.4:1) */
    --app-fill:#8f6f63;        /* blush button fill under white text, 4.5:1 */
    --app-book:#a8857a;        /* the raised Book button, white icon 3.3:1 */
    --app-tab:#66716c;         /* inactive tab labels, 5.0:1 on the bar */
  }
  html{scroll-padding-top:calc(var(--app-top) + env(safe-area-inset-top) + 12px)}
  body{
    background:var(--cream);
    padding-top:calc(var(--app-top) + env(safe-area-inset-top));
    padding-bottom:calc(var(--app-tabs) + env(safe-area-inset-bottom));
    -webkit-tap-highlight-color:transparent;
  }
  /* The desktop header, its menu, the progress line and the footer: every link they hold lives in the
     tab bar and the More page on phones. */
  .site-header,.mobile-menu,.scroll-progress,.site-footer{display:none!important}
  .app-only{display:block}
  .desk-only{display:none!important}
  .site-main{padding-bottom:28px}

  /* ---------- top bar: the page title appears once the big title scrolls under it ---------- */
  .app-top{
    display:flex;align-items:center;justify-content:center;
    position:fixed;top:0;left:0;right:0;z-index:1500;
    height:calc(var(--app-top) + env(safe-area-inset-top));
    padding:env(safe-area-inset-top) 70px 0;
    background:rgba(247,242,236,.88);
    -webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);
    box-shadow:0 .5px 0 rgba(44,39,35,0);transition:box-shadow .25s;
    view-transition-name:app-top;
  }
  .app-top.is-compact{box-shadow:0 .5px 0 rgba(44,39,35,.18)}
  .app-top-title{font:400 18px/1.2 var(--display);color:var(--ink);opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .app-top.is-compact .app-top-title,.app-top.is-fixed-title .app-top-title{opacity:1;transform:none}
  .app-back{position:absolute;left:4px;bottom:4px;display:flex;align-items:center;gap:2px;min-height:44px;padding:0 10px 0 6px;color:var(--app-ink-blush);font:400 16px/1 var(--body)}
  .app-back svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

  /* ---------- tab bar ---------- */
  .app-tabs{
    display:grid;grid-template-columns:repeat(5,1fr);align-items:end;
    position:fixed;left:0;right:0;bottom:0;z-index:1500;
    min-height:calc(var(--app-tabs) + env(safe-area-inset-bottom));
    padding:6px 6px calc(env(safe-area-inset-bottom) + 8px);
    background:rgba(255,253,251,.92);
    -webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);
    box-shadow:0 -.5px 0 rgba(44,39,35,.18);
    view-transition-name:app-tabs;
  }
  .app-tab{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:3px;min-height:50px;font:400 11px/1.1 var(--body);letter-spacing:.01em;color:var(--app-tab)}
  .app-tab svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .app-tab[aria-current="page"]{color:var(--ink)}
  .app-tab[aria-current="page"] svg{stroke-width:2}
  .app-tab.is-nudge{color:var(--ink)}
  .app-tab.is-nudge svg{animation:app-nudge 1.1s var(--ease) 3}
  @keyframes app-nudge{40%{transform:translateY(-5px) scale(1.12)}}
  .app-book-wrap{display:flex;flex-direction:column;align-items:center;font:400 11px/1.1 var(--body);color:var(--ink)}
  .app-book{
    width:58px;height:58px;margin:-26px 0 4px;border:0;border-radius:50%;cursor:pointer;
    background:var(--app-book);color:#fff;display:grid;place-items:center;
    box-shadow:0 8px 18px -6px rgba(138,97,83,.85),0 0 0 4px var(--paper);
    transition:transform .15s var(--ease);
  }
  .app-book:active{transform:scale(.94)}
  .app-book svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

  /* ---------- the Book sheet ---------- */
  .app-backdrop{display:block;position:fixed;inset:0;z-index:1600;background:rgba(28,24,21,.38);opacity:0;transition:opacity .3s}
  .app-backdrop.is-on{opacity:1}
  .app-sheet{display:block;position:fixed;left:10px;right:10px;bottom:calc(env(safe-area-inset-bottom) + 12px);z-index:1601;transform:translateY(calc(100% + 40px));transition:transform .38s var(--ease)}
  .app-sheet.is-on{transform:none}
  .app-backdrop[hidden],.app-sheet[hidden],.app-sheet-grp[hidden]{display:none}
  .app-sheet-grp{background:rgba(255,253,251,.97);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;overflow:hidden;margin-bottom:8px}
  .app-sheet-hd{padding:16px 18px 10px;text-align:center}
  .app-sheet-hd b{display:block;font:400 22px/1.2 var(--display);color:var(--ink)}
  .app-sheet-hd span{font-size:13px;line-height:1.4;color:var(--ink-soft)}
  .app-opt{display:flex;align-items:center;gap:14px;width:100%;min-height:66px;padding:10px 18px;border:0;border-top:1px solid var(--line);background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}
  .app-opt img{width:46px;height:46px;border-radius:10px;object-fit:cover;flex:none}
  .app-opt b{display:block;font-weight:400;font-size:16px;line-height:1.3}
  .app-opt small{display:block;font-size:13px;line-height:1.3;color:var(--ink-soft)}
  .app-opt .face.app-opt-face{width:46px;height:46px}
  .app-opt .face img{height:auto;max-width:none;border-radius:0;object-fit:fill}
  .app-opt-back{justify-content:center;min-height:52px;color:var(--app-ink-blush);font-size:15px}
  .app-cancel{display:block;width:100%;min-height:56px;border:0;background:none;cursor:pointer;font:700 16px/1 var(--body);color:var(--app-ink-blush)}

  /* ---------- pills (buttons) ---------- */
  .app-pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:0;border-radius:100px;cursor:pointer;background:var(--app-fill);color:#fff;font:700 12.5px/1 var(--body);letter-spacing:.14em;text-transform:uppercase;text-align:center;transition:transform .15s var(--ease)}
  .app-pill:active{transform:scale(.97)}
  .app-pill-dark{background:var(--ink);color:var(--cream)}
  .app-pill-ghost{background:transparent;color:var(--ink-soft);box-shadow:inset 0 0 0 1.5px currentColor}

  /* ---------- hello from Melissa + the reminder ---------- */
  .app-hello{
    display:block;position:fixed;left:12px;right:12px;z-index:1400;
    bottom:calc(var(--app-tabs) + env(safe-area-inset-bottom) + 12px);
    background:var(--paper);border-radius:22px;padding:18px 16px 16px;
    box-shadow:0 22px 44px -18px rgba(44,39,35,.6),0 0 0 1px var(--line);
    transform:translateY(28px) scale(.96);opacity:0;transition:transform .5s var(--ease),opacity .3s;
  }
  .app-hello.is-on{transform:none;opacity:1}
  .app-hello[hidden],.app-toast[hidden]{display:none}
  .app-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .app-hello-row{display:flex;gap:16px;align-items:flex-start;padding-right:30px}
  .app-hello-face{position:relative;flex:none;width:60px;height:60px;margin:4px 0 0 4px}
  .app-hello-face::before,.app-hello-face::after{content:"";position:absolute;border-radius:48% 52% 44% 56%/56% 44% 56% 44%}
  .app-hello-face::before{inset:-7px -2px 2px -8px;background:var(--blush);opacity:.75}
  .app-hello-face::after{inset:4px -9px -6px 6px;background:var(--sage);opacity:.45;border-radius:52% 48% 56% 44%/44% 56% 44% 56%}
  .app-hello-face .face{position:relative;z-index:1;width:60px;height:60px;border:2.5px solid var(--paper)}
  .app-hello b{display:block;font:400 22px/1.2 var(--display);color:var(--ink)}
  .app-hello b em{color:var(--blush-deep)}
  .app-hello p{margin:4px 0 0;font-size:14.5px;line-height:1.45;color:var(--ink-soft)}
  .app-hello-acts{display:flex;gap:8px;margin-top:14px}
  .app-hello-acts .app-pill{flex:1;padding:0 12px}
  .app-hello-x{position:absolute;top:4px;right:4px;width:44px;height:44px;border:0;background:none;display:grid;place-items:center;color:var(--ink-soft);cursor:pointer}
  .app-hello-x svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none}
  .app-toast{
    display:flex;gap:12px;align-items:center;position:fixed;right:12px;z-index:1450;max-width:290px;
    bottom:calc(var(--app-tabs) + env(safe-area-inset-bottom) + 10px);
    padding:10px 16px 10px 10px;border-radius:18px;background:var(--ink);color:var(--cream);
    font-size:14.5px;line-height:1.4;box-shadow:0 16px 32px -14px rgba(28,24,21,.7);
    opacity:0;transform:translateY(12px);transition:opacity .35s,transform .45s var(--ease);pointer-events:none;
  }
  .app-toast.is-on{opacity:1;transform:none}
  .app-toast::after{content:"";position:absolute;bottom:-6px;right:23px;width:14px;height:14px;background:var(--ink);transform:rotate(45deg);border-radius:2px}
  .app-toast .face{width:38px;height:38px;flex:none;box-shadow:0 0 0 2px var(--blush)}
  .app-toast b{color:var(--blush);font-weight:700}

  /* ---------- the big page title (PageHero on phones): title first, photo as a rounded card ---------- */
  .page-hero{height:auto;min-height:0;display:flex;flex-direction:column-reverse;align-items:stretch;justify-content:flex-start;text-align:left;overflow:visible;padding:2px 0 6px}
  .page-hero-media{position:relative;inset:auto;height:250px;margin:16px var(--app-gut) 0;border-radius:var(--app-r);transform:none!important}
  .page-hero-overlay{display:none}
  .page-hero-inner{padding:4px var(--app-gut) 0;max-width:none;color:var(--ink)}
  .page-hero-eyebrow{color:var(--app-ink-blush)}
  .page-hero-title{color:var(--ink);text-shadow:none;font-size:36px;line-height:1.05}
  .page-hero-title br{display:none}
  .page-hero-title em{color:var(--blush-deep)}
  .page-hero-sub{color:var(--ink-soft);text-shadow:none;margin:10px 0 0;max-width:none;font-size:15.5px;line-height:1.55}
  .page-hero-eyebrow,.page-hero-title,.page-hero-sub{animation:none;opacity:1;transform:none}

  /* ---------- shared vocabulary ---------- */
  .app-lt{padding:4px var(--app-gut) 12px}
  .app-lt-h{display:flex;align-items:center;gap:10px;margin:0;font:400 36px/1.05 var(--display);color:var(--ink)}
  .app-lt-h img{width:42px;height:42px;flex:none}
  .app-eb{display:block;margin:0 0 8px;font:700 11px/1.2 var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--app-ink-blush)}
  .app-sec{padding:20px 0 6px}
  .app-sec-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:0 var(--app-gut) 10px}
  .app-sec-h h2,.app-sec-h h3{margin:0;font:400 23px/1.15 var(--display);color:var(--ink)}
  .app-sec-h a{min-height:44px;display:inline-flex;align-items:center;font-size:15px;color:var(--app-ink-blush)}
  .app-row{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 var(--app-gut);padding:0 var(--app-gut) 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .app-row::-webkit-scrollbar{display:none}
  .app-row > *{flex:none;scroll-snap-align:start}
  .app-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--app-r);overflow:hidden}
  .app-card-tx{padding:18px 18px 20px}
  .app-cta{margin:24px var(--app-gut) 0;padding:32px 22px;border-radius:var(--app-r);background:var(--ink);color:var(--cream);text-align:center}
  .app-cta .app-eb{color:var(--blush)}
  .app-cta h2{margin:0 0 8px;font:400 31px/1.1 var(--display);color:var(--cream)}
  .app-cta h2 em{color:var(--blush)}
  .app-cta p{margin:0 0 18px;font-size:15px;color:#e2d8cf}

  /* ---------- More page ---------- */
  .more-page{padding-bottom:20px}
  .more-list{margin:0 var(--app-gut) 18px;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .more-list a{display:flex;align-items:center;gap:14px;min-height:56px;padding:8px 16px;border-top:1px solid var(--line);font-size:16px;line-height:1.3;color:var(--ink)}
  .more-list a:first-child{border-top:0}
  .more-ic{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:9px;background:var(--cream-2);color:var(--app-ink-blush)}
  .more-ic svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .more-grow{flex:1}
  .more-grow small{display:block;font-size:12.5px;color:var(--ink-soft)}
  .more-chev{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;opacity:.45}
  .more-say .more-ic{background:var(--app-fill);color:#fff}
  .more-say.is-wiggle{animation:app-wiggle .9s var(--ease) 2}
  @keyframes app-wiggle{12%{transform:translateX(-6px) rotate(-.6deg)}26%{transform:translateX(6px) rotate(.6deg)}40%{transform:translateX(-4px)}54%{transform:translateX(3px)}68%{transform:none}}
  .more-wrap{position:relative}
  .more-tip{display:block;position:absolute;left:30px;z-index:6;max-width:250px;padding:12px 16px;border-radius:16px;background:var(--ink);color:var(--cream);font:400 14.5px/1.4 var(--body);box-shadow:0 16px 30px -14px rgba(28,24,21,.7);opacity:0;transform:translateY(-8px) scale(.96);transform-origin:24px 0;transition:opacity .35s,transform .45s var(--ease);pointer-events:none}
  .more-tip::before{content:"";position:absolute;top:-6px;left:22px;width:14px;height:14px;background:var(--ink);transform:rotate(45deg);border-radius:2px}
  .more-tip span{color:var(--blush)}
  .more-tip.is-on{opacity:1;transform:none}
  .more-foot{padding:6px var(--app-gut) 0;text-align:center;font-size:12.5px;line-height:1.6;color:var(--ink-soft)}
}

/* /more/ only exists for the phone tab bar; on a computer it is a plain, tidy list (nothing links to it there). */
@media (min-width:761px){
  .more-page{max-width:640px;margin:0 auto;padding:150px 20px 90px}
  .more-page .app-eb{display:block;margin:0 0 10px;font:700 12px/1.2 var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--blush-deep)}
  .more-page .app-lt-h{margin:0 0 28px;font:400 52px/1.05 var(--display)}
  .more-list{display:flex;flex-direction:column;margin:0 0 22px;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .more-list a{display:flex;align-items:center;gap:16px;padding:14px 20px;border-top:1px solid var(--line);color:var(--ink)}
  .more-list a:first-child{border-top:0}
  .more-list a:hover{background:var(--cream)}
  .more-ic svg,.more-chev{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .more-grow{flex:1}
  .more-grow small{display:block;font-size:13px;color:var(--ink-soft)}
  .more-foot{text-align:center;font-size:13px;color:var(--ink-soft)}
}

/* Screens slide like an app (phones only, both pages must opt in, so desktop never animates). */
@media (max-width:760px) and (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:app-vt-out .26s var(--ease) both}
  ::view-transition-new(root){animation:app-vt-in .32s var(--ease) both}
  @keyframes app-vt-out{to{opacity:0;transform:translateX(-5%)}}
  @keyframes app-vt-in{from{opacity:0;transform:translateX(7%)}}
}
@media (max-width:760px) and (prefers-reduced-motion:reduce){
  .app-tab.is-nudge svg,.more-say.is-wiggle{animation:none}
  .app-sheet,.app-hello,.app-toast,.more-tip,.app-backdrop{transition:none}
}