/* BumpPrep — design system
   Modern, clean, minimal. Web-app feel. Light + dark. System fonts only (no external loads). */

/* ---------- tokens ---------- */
:root {
  /* warm neutral ramp (tinted, not pure gray) */
  --n-0:#ffffff;
  --n-25:#fbfaf9;
  --n-50:#f6f5f3;
  --n-100:#ecebe7;
  --n-200:#dedcd6;
  --n-300:#c8c5bd;
  --n-400:#a5a199;
  --n-500:#807c74;
  --n-600:#5f5c55;
  --n-700:#46443f;
  --n-800:#2e2c29;
  --n-900:#1c1b19;

  /* accent: calm sage-teal (wellness, not clinical) */
  --a-50:#e9f5f1;
  --a-100:#cfe9e0;
  --a-300:#84c8b4;
  --a-400:#4fae94;
  --a-500:#2f9578;
  --a-600:#237a62;
  --a-700:#1c6250;

  /* per-pillar hue accents (subtle, used for the top-tab active state + section chips) */
  --p-food:#5a9e5a;    /* green */
  --p-work:#e08a3c;    /* amber */
  --p-men:#3d84c6;     /* blue */
  --p-women:#c060a1;   /* magenta */

  --ok:#2f9578;
  --warn:#c9822b;

  /* semantic surfaces */
  --bg:var(--n-25);
  --surface:var(--n-0);
  --surface-2:var(--n-50);
  --line:var(--n-200);
  --line-soft:var(--n-100);
  --ink:var(--n-900);
  --ink-2:var(--n-600);
  --ink-3:var(--n-500);
  --accent:var(--a-500);
  --accent-strong:var(--a-600);
  --accent-tint:var(--a-50);

  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;

  --shadow-sm:0 1px 2px rgba(28,27,25,.06), 0 1px 3px rgba(28,27,25,.05);
  --shadow-md:0 4px 10px -2px rgba(28,27,25,.10), 0 2px 6px -2px rgba(28,27,25,.06);
  --shadow-lg:0 18px 40px -12px rgba(28,27,25,.22);

  --topbar-h:60px;
  --rail-w:236px;

  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji",sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}

:root[data-theme="dark"] {
  --bg:#141311;
  --surface:#1c1b19;
  --surface-2:#232220;
  --line:#33312d;
  --line-soft:#2a2825;
  --ink:#f4f2ef;
  --ink-2:#b6b1a8;
  --ink-3:#8b867d;
  --accent:#57bfa1;
  --accent-strong:#6fccb0;
  --accent-tint:#1e2b27;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 4px 12px -2px rgba(0,0,0,.5);
  --shadow-lg:0 20px 44px -12px rgba(0,0,0,.6);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:#141311;
    --surface:#1c1b19;
    --surface-2:#232220;
    --line:#33312d;
    --line-soft:#2a2825;
    --ink:#f4f2ef;
    --ink-2:#b6b1a8;
    --ink-3:#8b867d;
    --accent:#57bfa1;
    --accent-strong:#6fccb0;
    --accent-tint:#1e2b27;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow-md:0 4px 12px -2px rgba(0,0,0,.5);
    --shadow-lg:0 20px 44px -12px rgba(0,0,0,.6);
  }
}

/* ---------- reset-ish ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow:hidden; /* app shell owns scrolling */
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
a{color:var(--accent-strong);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--a-100);color:var(--n-900)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- app shell ---------- */
.app{height:100dvh;display:flex;flex-direction:column}

/* top bar */
.topbar{
  height:var(--topbar-h);flex:0 0 auto;
  display:flex;align-items:center;gap:18px;
  padding:0 20px;
  background:color-mix(in srgb,var(--surface) 88%, transparent);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  position:relative;z-index:30;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:17px;flex:0 0 auto}
.brand .mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.brand .mark svg{width:20px;height:24px}
.brand b{color:var(--ink)}
.brand span{color:var(--accent-strong)}

/* top tabs */
.tabs{display:flex;gap:2px;margin-left:6px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;white-space:nowrap;
  padding:9px 14px;border-radius:10px;
  color:var(--ink-2);font-weight:550;font-size:14.5px;
  display:flex;align-items:center;gap:8px;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.tab .ti{width:17px;height:17px;opacity:.85}
.tab:hover{background:var(--surface-2);color:var(--ink)}
.tab[aria-selected="true"]{color:var(--ink);background:var(--surface-2)}
.tab[aria-selected="true"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2.5px;border-radius:3px;
  background:var(--tab-hue,var(--accent));
}
.tab[data-pillar="food"]{--tab-hue:var(--p-food)}
.tab[data-pillar="workouts"]{--tab-hue:var(--p-work)}
.tab[data-pillar="men"]{--tab-hue:var(--p-men)}
.tab[data-pillar="women"]{--tab-hue:var(--p-women)}

.topbar-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-2);transition:background .16s,color .16s;
}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn svg{width:19px;height:19px}

/* body split */
.body{flex:1 1 auto;display:flex;min-height:0;position:relative}

/* left rail */
.rail{
  width:var(--rail-w);flex:0 0 var(--rail-w);
  border-right:1px solid var(--line);
  background:var(--surface);
  display:flex;flex-direction:column;min-height:0;
  z-index:20;
}
.rail-head{padding:16px 16px 8px}
.rail-title{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.rail-search{position:relative;margin:6px 12px 4px}
.rail-search input{
  width:100%;padding:9px 12px 9px 32px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface-2);color:var(--ink);font-size:13.5px;
  transition:border-color .16s,box-shadow .16s;
}
.rail-search input::placeholder{color:var(--ink-3)}
.rail-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.rail-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--ink-3)}

.rail-list{flex:1 1 auto;overflow-y:auto;padding:6px 10px 20px;scrollbar-width:thin}
.rail-group-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:14px 10px 5px}
.rail-item{
  width:100%;text-align:left;display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;color:var(--ink-2);font-size:14px;font-weight:500;
  transition:background .13s,color .13s;position:relative;
}
.rail-item .ri-ico{width:20px;flex:0 0 20px;text-align:center;font-size:15px;opacity:.9}
.rail-item .ri-sub{font-size:11.5px;color:var(--ink-3);font-weight:450}
.rail-item:hover{background:var(--surface-2);color:var(--ink)}
.rail-item[aria-current="true"]{background:var(--accent-tint);color:var(--accent-strong);font-weight:650}
.rail-item[aria-current="true"] .ri-sub{color:var(--accent-strong);opacity:.75}
.rail-empty{padding:20px 14px;color:var(--ink-3);font-size:13px}

/* content pane */
.pane{flex:1 1 auto;overflow-y:auto;scroll-behavior:smooth;min-width:0}
.pane-inner{max-width:920px;margin:0 auto;padding:34px 40px 90px}

/* mobile tab-strip for rail (hidden on desktop) */
.rail-strip{display:none}

/* ---------- content typography & blocks ---------- */
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-strong);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.eyebrow svg{width:15px;height:15px;flex:0 0 auto}
.h2 svg{width:18px;height:18px;flex:0 0 auto}
.disclaimer svg{width:15px;height:15px;flex:0 0 auto;vertical-align:-3px;margin-right:2px}
.li-ico svg{width:16px;height:16px}
.li-when svg{width:13px;height:13px;flex:0 0 auto}
.h1{font-size:33px;line-height:1.12;letter-spacing:-.025em;font-weight:750;color:var(--ink)}
.lede{font-size:16.5px;line-height:1.6;color:var(--ink-2);margin-top:12px;max-width:62ch}
.h2{font-size:19px;line-height:1.2;letter-spacing:-.01em;font-weight:700;margin-top:38px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.h2 .n{width:24px;height:24px;border-radius:7px;background:var(--accent-tint);color:var(--accent-strong);display:grid;place-items:center;font-size:12.5px;font-weight:750;flex:0 0 auto}

.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 15px;min-width:140px;box-shadow:var(--shadow-sm);
}
.stat .k{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.stat .v{font-size:16px;font-weight:650;color:var(--ink);margin-top:3px}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
}

/* food: full-bleed photo tiles with data overlaid */
.food-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(186px,1fr));gap:14px;margin-top:6px}
.fcard{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;
  background:#efece7;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.fcard-img{position:absolute;inset:0}
.fcard-img img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;transition:transform .4s var(--ease)}
.fcard:hover .fcard-img img{transform:scale(1.07)}
.fcard-scrim{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(to top,rgba(18,17,15,.90) 0%,rgba(18,17,15,.62) 26%,rgba(18,17,15,.06) 52%,rgba(18,17,15,.10) 100%);
}
.fcard-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;padding:10px}
.fcard-rank{
  font-size:11px;font-weight:750;color:#fff;font-variant-numeric:tabular-nums;
  background:rgba(20,19,17,.42);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:3px 9px;backdrop-filter:blur(4px);
}
.fcard-dv{
  font-size:11.5px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;
  background:linear-gradient(150deg,var(--a-400),var(--a-600));border-radius:999px;padding:4px 9px;
  box-shadow:0 2px 6px rgba(0,0,0,.3);
}
.fcard-dv::after{content:" DV";font-weight:600;opacity:.82;font-size:10px}
.fcard-info{position:absolute;left:0;right:0;bottom:0;padding:13px 14px 14px;color:#fff}
.fcard-name{font-weight:700;font-size:14.5px;line-height:1.2;letter-spacing:-.01em;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.fcard-serv{font-size:11.5px;color:rgba(255,255,255,.82);margin-top:2px;text-shadow:0 1px 2px rgba(0,0,0,.4)}
.fcard-amt{font-size:17px;font-weight:780;color:#fff;margin-top:7px;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:5px;text-shadow:0 1px 3px rgba(0,0,0,.45)}
.fcard-unit{font-size:10.5px;font-weight:500;color:rgba(255,255,255,.78)}
.fcard-bar{position:relative;height:5px;border-radius:4px;background:rgba(255,255,255,.28);overflow:hidden;margin-top:8px}
.fcard-bar>i{position:absolute;inset:0 auto 0 0;border-radius:4px;background:linear-gradient(90deg,var(--a-300),#fff)}
.fcard-img img.is-fallback{object-fit:cover}

/* chips / tags */
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.chip{
  font-size:12.5px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  color:var(--ink-2);background:var(--surface);font-weight:550;transition:all .13s;user-select:none;
}
button.chip:hover{border-color:var(--accent);color:var(--accent-strong)}
button.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.tag{font-size:11px;padding:3px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-soft);color:var(--ink-2);font-weight:600}

/* workouts: exercise cards */
.ex-grid{display:grid;gap:14px}
.ex{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .18s,transform .18s,border-color .18s;
}
.ex:hover{box-shadow:var(--shadow-md);border-color:var(--n-300)}
.ex-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 18px 10px;cursor:pointer}
.ex-title{font-size:16px;font-weight:680;letter-spacing:-.01em}
.ex-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.badge{font-size:11px;font-weight:650;padding:3px 9px;border-radius:7px;background:var(--surface-2);border:1px solid var(--line-soft);color:var(--ink-2)}
.badge.lvl-Beginner{background:#e9f5ee;border-color:#cfe8da;color:#2c7a52}
.badge.lvl-Intermediate{background:#fdf1e3;border-color:#f4ddc0;color:#b06f24}
.badge.lvl-Advanced{background:#fbe9ec;border-color:#f2ccd3;color:#b23a4e}
:root[data-theme="dark"] .badge.lvl-Beginner{background:#1a2a20;border-color:#264a35;color:#77c79a}
:root[data-theme="dark"] .badge.lvl-Intermediate{background:#2a2114;border-color:#4a3a1f;color:#d9a25c}
:root[data-theme="dark"] .badge.lvl-Advanced{background:#2a171b;border-color:#4a2830;color:#dd8494}
.ex-toggle{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:var(--ink-3);transition:transform .2s,background .15s}
.ex-toggle:hover{background:var(--surface-2)}
.ex[data-open="true"] .ex-toggle{transform:rotate(180deg)}
.ex-body{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.ex-body-inner{padding:0 18px 16px;border-top:1px solid var(--line-soft);margin-top:4px;padding-top:12px}
.ex-how{font-size:14px;color:var(--ink-2);line-height:1.6}
.ex-tip{margin-top:10px;font-size:13px;color:var(--ink-2);background:var(--surface-2);border-left:3px solid var(--accent);padding:9px 12px;border-radius:0 8px 8px 0}
.ex-tip b{color:var(--ink)}

/* TTC (men/women) */
.callout{
  display:flex;gap:12px;padding:14px 16px;border-radius:var(--radius);
  background:var(--accent-tint);border:1px solid var(--a-100);color:var(--ink-2);font-size:13.5px;line-height:1.55;
  margin-top:22px;
}
:root[data-theme="dark"] .callout{border-color:#2a4a40}
.callout svg{flex:0 0 auto;width:19px;height:19px;color:var(--accent-strong);margin-top:1px}
.callout b{color:var(--ink)}

.list-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.li{display:flex;gap:13px;padding:14px 17px;border-top:1px solid var(--line-soft)}
.li:first-child{border-top:none}
.li-ico{flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:var(--accent-tint);color:var(--accent-strong);display:grid;place-items:center;font-size:14px;font-weight:700}
.li-body{flex:1 1 auto;min-width:0}
.li-t{font-weight:640;font-size:14.5px;display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.li-dose{font-size:12px;font-weight:650;color:var(--accent-strong);background:var(--accent-tint);padding:2px 8px;border-radius:6px}
.li-d{font-size:13.5px;color:var(--ink-2);margin-top:3px;line-height:1.5}
.li-dosenote{font-size:12px;color:var(--ink-3);margin-top:2px;font-style:normal}
.li-when{font-size:12px;color:var(--ink-3);margin-top:5px;display:flex;align-items:center;gap:6px}
.li-how{font-size:12.5px;color:var(--ink-2);margin-top:7px;display:flex;gap:7px;line-height:1.5}
.li-how svg{width:13px;height:13px;flex:0 0 auto;margin-top:3px;color:var(--accent-strong)}
.li-note{font-size:12.5px;color:var(--ink-2);margin-top:8px;padding:9px 12px;border-radius:9px;background:var(--accent-tint);display:flex;gap:8px;line-height:1.5}
.li-note svg{width:14px;height:14px;flex:0 0 auto;margin-top:2px;color:var(--accent-strong)}
.ex-howto{margin:2px 0 12px;color:var(--ink-2)}
.ex-howto svg{width:100%;max-width:380px;height:auto;display:block}

/* timeline */
.timeline{position:relative;margin-top:8px;padding-left:8px}
.tl-step{position:relative;padding:0 0 8px 30px}
.tl-step::before{content:"";position:absolute;left:8px;top:4px;bottom:-4px;width:2px;background:var(--line)}
.tl-step:last-child::before{display:none}
.tl-dot{position:absolute;left:1px;top:2px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:3px solid var(--accent);z-index:1}
.tl-when{font-weight:700;font-size:14px;color:var(--ink);margin-bottom:6px}
.tl-do{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.tl-do span{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start}
.tl-do span::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:7px}

.pill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:8px}
.pill-item{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.pill-item .dot{flex:0 0 auto;margin-top:2px;color:var(--accent)}
.pill-item .dot svg{width:16px;height:16px;display:block}

/* subtab (men/women sections) */
.subtabs{display:flex;gap:6px;margin-top:22px;border-bottom:1px solid var(--line);padding-bottom:0}
.subtab{padding:9px 3px;margin-right:14px;color:var(--ink-2);font-weight:600;font-size:14.5px;position:relative;transition:color .15s}
.subtab:hover{color:var(--ink)}
.subtab[aria-selected="true"]{color:var(--ink)}
.subtab[aria-selected="true"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2.5px;border-radius:3px;background:var(--accent)}

/* disclaimer footer */
.disclaimer{margin-top:40px;padding:16px 18px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line);font-size:12.5px;color:var(--ink-3);line-height:1.6}
.disclaimer b{color:var(--ink-2)}

/* site-wide disclaimer bar (always visible, every page) */

/* home / overview */
.hero{padding:14px 0 0}
.hero .h1{font-size:40px;max-width:16ch}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:30px}
.pcard{
  display:block;text-align:left;padding:22px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s,border-color .18s;position:relative;overflow:hidden;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);text-decoration:none;border-color:var(--n-300)}
.pcard .pico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;margin-bottom:16px}
.pcard[data-p="plan"] .pico{background:linear-gradient(150deg,var(--a-400),var(--a-600))}
.pcard[data-p="learn"] .pico{background:linear-gradient(150deg,#d47ab8,#b04d92)}
.pcard[data-p="food"] .pico{background:linear-gradient(150deg,#7bbf6f,#4c8a48)}
.pcard[data-p="workouts"] .pico{background:linear-gradient(150deg,#f0a557,#d97b2e)}
.pcard[data-p="men"] .pico{background:linear-gradient(150deg,#5b9fe0,#2f6fb0)}
.pcard[data-p="women"] .pico{background:linear-gradient(150deg,#d47ab8,#b04d92)}
.pcard .pico svg{width:23px;height:23px}
.pcard h3{font-size:17.5px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.pcard p{font-size:13.5px;color:var(--ink-2);margin-top:6px;line-height:1.5}
.pcard .go{margin-top:14px;font-size:13px;font-weight:650;color:var(--accent-strong);display:flex;align-items:center;gap:5px}
.pcard:hover .go svg{transform:translateX(3px)}
.pcard .go svg{width:15px;height:15px;transition:transform .18s}

/* skeleton / loading */
.loading{padding:60px 0;text-align:center;color:var(--ink-3)}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}

/* view transition on content swap */
.pane-inner{animation:fade .32s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* ---------- responsive ---------- */
@media (max-width:820px){
  :root{--topbar-h:56px}
  .brand .bt{display:none}
  .tabs{gap:0;justify-content:space-between}
  .tab span.tlabel{display:none}
  .tab{flex:1 1 0;justify-content:center;padding:9px 0}
  .tab .ti{width:20px;height:20px}
  .tab[aria-selected="true"]::after{left:50%;right:auto;transform:translateX(-50%);width:22px}
  .rail{
    position:static;width:100%;flex:0 0 auto;border-right:none;border-bottom:1px solid var(--line);
    max-height:none;
  }
  .body{flex-direction:column}
  .rail-head,.rail-search{display:none}
  .rail-list{display:none}
  /* horizontal scroll strip for rail items on mobile */
  .rail-strip{
    /* flex:0 0 auto is load-bearing: as a .body column child the default (0 1 auto)
       lets a tall pane squash the strip — pills compressed 58px→31px on any real plan */
    display:flex;flex:0 0 auto;gap:8px;overflow-x:auto;padding:11px 14px;scrollbar-width:none;
    background:var(--surface);border-bottom:1px solid var(--line);
  }
  .rail-strip::-webkit-scrollbar{display:none}
  .strip-item{
    white-space:nowrap;padding:7px 13px;border-radius:999px;border:1px solid var(--line);
    background:var(--surface);color:var(--ink-2);font-size:13.5px;font-weight:600;flex:0 0 auto;
  }
  .strip-item[aria-current="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
  .pane-inner{padding:24px 18px 80px}
  .hero .h1{font-size:31px}
  .h1{font-size:27px}
  .food-row{grid-template-columns:1fr auto 66px}
}
@media (min-width:821px){.rail-strip{display:none!important}}

/* ================= v2: product surfaces ================= */

/* hard rule: the hidden attribute always wins */
[hidden]{display:none!important}

/* new pillar hues */
.tab[data-pillar="today"]{--tab-hue:var(--a-500)}
.tab[data-pillar="plan"]{--tab-hue:var(--a-600)}
.tab[data-pillar="learn"]{--tab-hue:var(--p-women)}

/* rail group headings + TTC badge */
.rail-heading{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:14px 10px 5px}
.ri-ttc{font-size:9.5px;font-weight:800;letter-spacing:.04em;color:var(--accent-strong);background:var(--accent-tint);border-radius:5px;padding:1px 5px;vertical-align:2px}
.strip-sep{flex:0 0 auto;align-self:center;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:0 2px}

/* hero CTA + privacy strip */
.hero-cta{margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cta{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;
  background:linear-gradient(150deg,var(--a-400),var(--a-600));color:#fff;font-weight:700;font-size:15.5px;
  box-shadow:var(--shadow-md);transition:transform .15s var(--ease),box-shadow .15s;
}
.cta:hover{transform:translateY(-2px);text-decoration:none;box-shadow:var(--shadow-lg)}
.cta svg{width:17px;height:17px}
.cta-sub{font-size:12.5px;color:var(--ink-3)}
.privacy-strip{
  margin-top:26px;display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2);
  background:var(--accent-tint);border:1px solid var(--a-100);border-radius:var(--radius);padding:12px 15px;
}
:root[data-theme="dark"] .privacy-strip{border-color:#2a4a40}
.privacy-strip svg{width:16px;height:16px;flex:0 0 auto;color:var(--accent-strong)}

/* buttons */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:11px;
  background:linear-gradient(150deg,var(--a-400),var(--a-600));color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:var(--shadow-sm);transition:transform .13s,box-shadow .13s;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary[disabled]{opacity:.45;pointer-events:none}
.btn-primary svg{width:16px;height:16px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;padding:11px 18px;border-radius:11px;
  border:1px solid var(--line);color:var(--ink-2);font-weight:600;font-size:14px;background:var(--surface);
}
.btn-ghost:hover{color:var(--ink);border-color:var(--n-300)}
.muted{color:var(--ink-3);font-weight:500}

/* onboarding */
.ob{max-width:560px}
.ob-dots{display:flex;gap:6px;margin-bottom:18px}
.ob-dot{width:26px;height:4px;border-radius:3px;background:var(--line)}
.ob-dot.on{background:var(--accent)}
.ob-cards{display:grid;gap:12px;margin-top:24px}
.ob-card{
  text-align:left;padding:18px;border-radius:var(--radius);border:1.5px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-sm);display:block;
  transition:border-color .14s,transform .14s,box-shadow .14s;
}
.ob-card:hover{transform:translateY(-1px);border-color:var(--n-300)}
.ob-card.chosen{border-color:var(--accent);background:var(--accent-tint)}
.ob-card b{display:block;font-size:15.5px;color:var(--ink)}
.ob-card span{display:block;font-size:13px;color:var(--ink-2);margin-top:3px}
.ob-card .pico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(150deg,var(--a-400),var(--a-600));margin-bottom:10px}
.ob-card .pico svg{width:19px;height:19px}
.ob-when-grid{grid-template-columns:1fr 1fr}
.ob-row{margin-top:18px;display:flex;flex-direction:column;gap:7px;max-width:340px}
.ob-label{font-size:12.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-3)}
.ob-input{
  padding:11px 13px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font:inherit;font-size:15px;
}
.ob-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.ob-nav{display:flex;gap:10px;margin-top:28px;align-items:center}
.ob-nav .btn-primary{margin-left:auto}

/* CTA / mini / tip cards */
.cta-card{
  display:flex;align-items:center;gap:14px;justify-content:space-between;cursor:pointer;
  margin-top:20px;padding:16px 18px;border-radius:var(--radius);
  background:linear-gradient(150deg,var(--a-50),var(--a-100));border:1px solid var(--a-100);
  transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow-sm);
}
:root[data-theme="dark"] .cta-card{background:linear-gradient(150deg,#1e2b27,#22332d);border-color:#2a4a40}
.cta-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.cta-card b{display:block;font-size:15px;color:var(--ink)}
.cta-card span{display:block;font-size:13px;color:var(--ink-2);margin-top:3px;line-height:1.45}
.cta-card .go{flex:0 0 auto;color:var(--accent-strong)}
.cta-card .go svg{width:18px;height:18px}
.cta-card.is-lapsed{background:var(--surface-2);border-color:var(--line)}
.mini-card{
  display:flex;gap:12px;align-items:flex-start;margin-top:18px;padding:14px 16px;cursor:pointer;
  border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  color:var(--ink-2);transition:border-color .14s;
}
a.mini-card:hover{text-decoration:none;border-color:var(--n-300)}
.mini-card b{display:block;font-size:14px;color:var(--ink)}
.mini-card span{display:block;font-size:12.5px;margin-top:2px;line-height:1.45}
.mini-card .mc-ico{flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:var(--accent-tint);color:var(--accent-strong);display:grid;place-items:center}
.mini-card .mc-ico svg{width:16px;height:16px}
.mini-card.is-locked .mc-ico{background:var(--surface-2);color:var(--ink-3)}
.tip-card{margin-top:22px;padding:15px 17px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);box-shadow:var(--shadow-sm)}
.tip-card b{font-size:11.5px;font-weight:750;letter-spacing:.07em;text-transform:uppercase;color:var(--accent-strong)}
.tip-card p{font-size:13.5px;color:var(--ink-2);margin-top:5px;line-height:1.55}

/* fertile-window card */
.fw-card{
  margin-top:18px;padding:16px 18px;border-radius:var(--radius);box-shadow:var(--shadow-sm);
  background:var(--surface);border:1px solid var(--line);
}
.fw-card.fw-fertile{background:var(--accent-tint);border-color:var(--a-300)}
.fw-head{font-size:16px;font-weight:720;color:var(--ink)}
.fw-card.fw-fertile .fw-head{color:var(--accent-strong)}
.fw-sub{font-size:13px;color:var(--ink-2);margin-top:4px}
.fw-note{font-size:12px;color:var(--ink-3);margin-top:8px;line-height:1.5}

/* checklists */
.check-list{display:flex;flex-direction:column}
.chk-row{
  display:flex;align-items:center;gap:12px;text-align:left;width:100%;
  padding:12px 16px;border-top:1px solid var(--line-soft);transition:background .12s;
}
.chk-row:first-child{border-top:none}
.chk-row:hover{background:var(--surface-2)}
.chk-box{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;border:2px solid var(--line);
  display:grid;place-items:center;color:transparent;transition:all .15s var(--ease);background:var(--surface);
}
.chk-box svg{width:14px;height:14px}
.chk-row.on .chk-box{background:var(--accent);border-color:var(--accent);color:#fff}
.chk-label{flex:1 1 auto;min-width:0;font-size:14px;font-weight:550;color:var(--ink);line-height:1.4}
.chk-row.on .chk-label{color:var(--ink-3);text-decoration:line-through;text-decoration-color:var(--n-300)}
.chk-why{display:block;font-size:12px;font-weight:450;color:var(--ink-3);margin-top:2px;line-height:1.4}
.chk-dose{flex:0 0 auto;font-size:11.5px;font-weight:650;color:var(--accent-strong);background:var(--accent-tint);padding:2px 8px;border-radius:6px;white-space:nowrap}
.lane{font-size:10px;font-weight:800;letter-spacing:.05em;border-radius:5px;padding:1px 6px;margin-left:8px;vertical-align:1px}
.lane-her{background:#f7e7f1;color:#a3438a}
.lane-him{background:#e3eef9;color:#2f6fb0}
:root[data-theme="dark"] .lane-her{background:#331f2c;color:#d47ab8}
:root[data-theme="dark"] .lane-him{background:#1c2a3a;color:#5b9fe0}
.streak{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--warn)}
.streak svg{width:14px;height:14px}
.block-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;font-weight:650}
.block-link svg{width:14px;height:14px}

/* progress */
.prog{margin-top:20px}
.prog-bar{height:8px;border-radius:6px;background:var(--surface-2);border:1px solid var(--line-soft);overflow:hidden}
.prog-bar>i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--a-400),var(--a-600));transition:width .4s var(--ease)}
.prog-label{font-size:12.5px;color:var(--ink-3);margin-top:6px;font-variant-numeric:tabular-nums}

/* plan stages */
.stage{margin-top:26px}
.stage-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:10px}
.stage-when{font-size:16.5px;font-weight:720;color:var(--ink);display:flex;align-items:center;gap:9px}
.stage-now{font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--accent);border-radius:6px;padding:2px 7px}
.stage-window{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.stage-count{font-size:12.5px;font-weight:650;color:var(--ink-3);font-variant-numeric:tabular-nums}
.stage.is-current .list-card{border-color:var(--a-300)}

/* cross-link chips */
.ttc-chip{
  display:inline-flex;align-items:center;gap:7px;margin-top:14px;padding:6px 12px;border-radius:999px;
  background:var(--accent-tint);border:1px solid var(--a-100);color:var(--accent-strong);font-size:12.5px;font-weight:650;
}
.ttc-chip:hover{text-decoration:none;border-color:var(--a-300)}
.ttc-chip svg{width:14px;height:14px}
:root[data-theme="dark"] .ttc-chip{border-color:#2a4a40}
.li-food-link{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:12.5px;font-weight:650}
.li-food-link svg{width:13px;height:13px}

/* sheet actions */
.sheet-actions{margin-top:18px;display:flex;gap:10px}
.sheet-head{display:none}

/* ---------- paywall ---------- */
#paywall{
  position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(20,19,17,.5);backdrop-filter:blur(3px);padding:0;
}
.pw-card{
  width:100%;max-width:480px;max-height:92dvh;overflow-y:auto;position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:22px 22px 0 0;
  padding:26px 24px calc(22px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg);
}
@media (min-width:600px){
  #paywall{align-items:center;padding:24px}
  .pw-card{border-radius:22px;padding-bottom:24px}
}
.pw-close{position:absolute;top:12px;right:14px;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-size:22px;color:var(--ink-3)}
.pw-close:hover{background:var(--surface-2);color:var(--ink)}
.pw-eyebrow{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--accent-strong)}
.pw-head h3{font-size:21px;font-weight:750;letter-spacing:-.02em;margin-top:6px;line-height:1.25;color:var(--ink)}
.pw-benefits{list-style:none;margin:16px 0 0;display:flex;flex-direction:column;gap:9px}
.pw-benefits li{font-size:14px;font-weight:620;color:var(--ink);padding-left:24px;position:relative;line-height:1.4}
.pw-benefits li::before{content:"✓";position:absolute;left:2px;color:var(--accent);font-weight:800}
.pw-benefits li span{font-weight:450;color:var(--ink-3);font-size:12.5px}
.pw-prices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.pw-price{
  position:relative;text-align:left;padding:14px;border-radius:13px;border:1.5px solid var(--line);
  background:var(--surface);transition:border-color .13s;
}
.pw-price.chosen{border-color:var(--accent);background:var(--accent-tint)}
.pw-badge{position:absolute;top:-9px;left:12px;font-size:9.5px;font-weight:800;letter-spacing:.05em;color:#fff;background:var(--accent);border-radius:6px;padding:2px 7px}
.pw-plan{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2)}
.pw-amt{display:block;font-size:20px;font-weight:780;color:var(--ink);margin-top:3px;font-variant-numeric:tabular-nums}
.pw-per{font-size:12px;font-weight:550;color:var(--ink-3)}
.pw-note{display:block;font-size:11px;font-weight:600;color:var(--accent-strong);margin-top:3px}
.pw-cta{
  width:100%;margin-top:16px;padding:14px;border-radius:13px;font-size:16px;font-weight:750;color:#fff;
  background:linear-gradient(150deg,var(--a-400),var(--a-600));box-shadow:var(--shadow-md);
}
.pw-terms{font-size:16px;line-height:1.5;color:var(--ink-2);margin-top:14px}
.pw-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px}
.text-link{font-size:13px;font-weight:600;color:var(--accent-strong);background:none;border:none;padding:0;cursor:pointer}
.text-link:hover{text-decoration:underline}

/* toast (single slot) */
#toast{
  position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);
  z-index:120;background:var(--n-800);color:#fff;font-size:13.5px;font-weight:600;
  padding:11px 18px;border-radius:12px;box-shadow:var(--shadow-lg);max-width:88vw;text-align:center;
}
:root[data-theme="dark"] #toast{background:var(--n-100);color:var(--n-900)}

/* ---------- safe areas + mobile bottom tab bar (app-like) ---------- */
.topbar{padding-top:env(safe-area-inset-top);height:calc(var(--topbar-h) + env(safe-area-inset-top))}
@media (max-width:820px){
  /* the topbar's backdrop-filter would become the containing block for the
     fixed bottom bar — kill it on mobile so the tabs anchor to the viewport */
  .topbar{backdrop-filter:none;background:var(--surface)}
  .brand .bt{display:flex}
  /* tabs become a fixed bottom bar with labels — first frame = final frame (5 static tabs) */
  .tabs{
    position:fixed;left:0;right:0;bottom:0;z-index:40;margin:0;
    background:color-mix(in srgb,var(--surface) 92%, transparent);
    backdrop-filter:saturate(180%) blur(14px);
    border-top:1px solid var(--line);
    padding:6px 8px calc(6px + env(safe-area-inset-bottom));
  }
  .tab{flex-direction:column;gap:3px;padding:5px 0;border-radius:10px}
  .tab span.tlabel{display:block;font-size:10px;font-weight:650;letter-spacing:0}
  .tab .ti{width:21px;height:21px}
  .tab[aria-selected="true"]{background:none;color:var(--accent-strong)}
  .tab[aria-selected="true"]::after{display:none}
  .pane-inner{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  body[data-railless="true"] .rail-strip{display:none}
}

/* ---------- print: only the doctor sheet ---------- */
@media print{
  body{overflow:visible;background:#fff;color:#000}
  .topbar,.rail,.rail-strip,.tabs,.sheet-actions,#paywall,#toast,.eyebrow{display:none!important}
  .app,.body,.pane{display:block;height:auto;overflow:visible}
  .pane-inner{max-width:none;padding:0;animation:none}
  #content>*:not(#doctor-sheet){display:none!important}
  #content .h1,#content .lede{display:block!important}
  #doctor-sheet{display:block}
  .sheet-head.print-only{display:flex;justify-content:space-between;border-bottom:2px solid #000;padding-bottom:8px;margin-bottom:14px}
  .list-card{border:1px solid #bbb;box-shadow:none;break-inside:avoid}
  .chk-row{border-top:1px solid #ddd}
  .chk-box{border-color:#888}
  .chk-row.on .chk-box{background:#333;border-color:#333}
  .disclaimer{background:#fff;border:1px solid #bbb}
}

/* ---------- first-run notice ---------- */
#firstrun{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  background:rgba(20,19,17,.6);backdrop-filter:blur(4px);padding:24px;
}
.fr-card{
  width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:28px 26px;box-shadow:var(--shadow-lg);text-align:left;
}
.fr-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(150deg,var(--a-400),var(--a-600));margin-bottom:16px;
}
.fr-ico svg{width:22px;height:22px}
.fr-card h3{font-size:20px;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.fr-card p{font-size:14px;line-height:1.6;color:var(--ink-2);margin-top:12px}
.fr-card p b{color:var(--ink)}
.fr-card .fr-small{font-size:12.5px;color:var(--ink-3)}
.fr-ok{width:100%;justify-content:center;margin-top:20px}