/* ============================================================================
   ZENITH PRO · base — reset, typography, page shell
   ----------------------------------------------------------------------------
   Three shells from one set of rules:
     ≥ 1100px  floating sidebar with labels
     760–1099  icon rail
     < 760     floating tab bar (thumb reach) + a member strip that scrolls
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--bg);
  scroll-padding-top: calc(var(--topbar-h) + 12px);
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--ink-2);
  background: var(--bg);
  font-feature-settings: 'cv11', 'ss03';       /* single-storey a, open digits */
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
a { color: var(--brand-text); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
[hidden], .hidden { display: none !important; }
::selection { background: color-mix(in oklab, var(--brand) 28%, transparent); }

h1, h2, h3, h4 { color: var(--ink); font-weight: 720; letter-spacing: -.02em; line-height: var(--lh-snug); text-wrap: balance; }
h1 { font-size: var(--fs-3xl); font-weight: 780; letter-spacing: -.03em; line-height: var(--lh-tight); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); letter-spacing: -.015em; }
p { text-wrap: pretty; }
small, .tiny { font-size: var(--fs-sm); }
.muted { color: var(--ink-3); }
b, strong { font-weight: 680; color: var(--ink); }
em { font-style: normal; color: var(--brand-text); }
kbd {
  font: 600 var(--fs-xs)/1 var(--font); padding: 3px 6px; border-radius: 6px;
  color: var(--ink-3); background: var(--surface-3); border: 1px solid var(--line);
}

/* Focus: always visible for keyboard users, never for a mouse click. */
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 6px; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; box-shadow: var(--ring-focus); border-color: var(--brand); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.sr-only:focus-visible {
  position: fixed; z-index: 200; top: 12px; left: 12px; width: auto; height: auto; margin: 0;
  padding: 10px 16px; clip: auto; background: var(--brand); color: var(--brand-ink);
  border-radius: var(--r-sm); font-weight: 650; text-decoration: none;
}

/* ── Ambient background ───────────────────────────────────────────────────
   Two soft washes of colour that sit behind everything. Static (no animation)
   so it costs nothing on a phone, and tinted by the selected member. */
.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 88% -8%, color-mix(in oklab, var(--member) 14%, transparent), transparent 62%),
    radial-gradient(760px 460px at 4% 2%, var(--aura-a), transparent 60%),
    radial-gradient(700px 500px at 60% 110%, var(--aura-b), transparent 60%),
    radial-gradient(600px 400px at 100% 60%, var(--aura-c), transparent 62%);
}

/* ── Shell ─────────────────────────────────────────────────────────────── */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100dvh;
}
.main { min-width: 0; display: flex; flex-direction: column; }

/* Sidebar */
.sidebar {
  position: sticky; top: 14px; align-self: start;
  height: calc(100dvh - 28px); margin: 14px 0 14px 14px;
  display: flex; flex-direction: column; gap: var(--s-6);
  padding: var(--s-5) var(--s-4) var(--s-4);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--glass-strong) 94%, transparent), var(--glass));
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(26px) saturate(1.18); backdrop-filter: blur(26px) saturate(1.18);
}
.brand { display: flex; align-items: center; gap: var(--s-3); padding: 2px 6px; min-width: 0; }
.brand .logo-mark { flex: none; border-radius: 12px; filter: drop-shadow(0 6px 10px color-mix(in oklab, var(--brand) 32%, transparent)); }
.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; }
.brand-name { font-size: var(--fs-lg); font-weight: 800; letter-spacing: .06em; color: var(--ink); }
.brand-name b { color: var(--brand-text); font-weight: 800; }
.brand-sub { font-size: var(--fs-xs); color: var(--ink-3); font-weight: 560; }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-btn {
  display: flex; align-items: center; gap: var(--s-3);
  min-height: 48px; padding: 6px 12px 6px 6px; border-radius: var(--r-md);
  color: var(--ink-2); font-weight: 600; font-size: var(--fs-md); text-align: left;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-ic {
  flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px;
  color: var(--ink-3); background: var(--surface-2);
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.nav-btn:hover { background: var(--surface-hover); color: var(--ink); }
.nav-btn:hover .nav-ic { color: var(--ink); }
.nav-btn.active {
  background: linear-gradient(90deg, var(--brand-soft), color-mix(in oklab, var(--brand-soft) 28%, transparent));
  color: var(--brand-text);
  box-shadow: inset 2px 0 var(--brand);
}
.nav-btn.active .nav-ic {
  background: color-mix(in oklab, var(--brand) 15%, var(--surface));
  color: var(--brand-text);
  box-shadow: inset 0 0 0 1px var(--brand-line);
}
.nav-btn:active .nav-ic { transform: scale(.94); }

.side-foot { margin-top: auto; display: grid; gap: var(--s-3); }
.side-card {
  padding: var(--s-3) var(--s-4); border-radius: var(--r-md);
  background: var(--surface-2); border: 1px solid var(--line);
  font-size: var(--fs-sm); line-height: 1.45; color: var(--ink-3);
}
.side-card b { color: var(--ink-2); font-weight: 650; }
.side-ver { display: flex; align-items: center; gap: 6px; padding: 0 6px; font-size: var(--fs-xs); color: var(--ink-3); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 30;
  padding: 14px 32px 12px 20px;
  background: color-mix(in oklab, var(--bg) 68%, transparent);
  -webkit-backdrop-filter: blur(24px) saturate(1.35); backdrop-filter: blur(24px) saturate(1.35);
}
.topbar-in { max-width: var(--content-max); margin-inline: auto; display: flex; align-items: center; gap: var(--s-3); min-height: 48px; }
.spacer { flex: 1; }

.member-strip {
  display: flex; align-items: center; gap: var(--s-2); min-width: 0;
  overflow-x: auto; scrollbar-width: none; scroll-snap-type: x proximity; padding: 4px 2px;
}
.member-strip::-webkit-scrollbar { display: none; }
.member-chip {
  flex: none; scroll-snap-align: center;
  display: inline-flex; align-items: center; gap: var(--s-2);
  min-height: 46px; padding: 4px 16px 4px 4px; border-radius: var(--r-pill);
  background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow-xs);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  color: var(--ink-2); font-weight: 600; font-size: var(--fs-md);
  transition: transform var(--dur-1) var(--ease), background var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}
.member-chip:hover { border-color: var(--line-2); }
.member-chip:active { transform: scale(.97); }
.member-chip.active {
  background: linear-gradient(135deg, color-mix(in oklab, var(--member) 15%, var(--surface)), var(--glass-strong));
  border-color: var(--member-line); color: var(--ink); font-weight: 720;
  box-shadow: 0 0 0 2px var(--member-soft), 0 10px 24px -18px var(--member);
}
.member-name { white-space: nowrap; }

.icon-btn {
  flex: none; display: inline-grid; place-items: center;
  width: var(--tap); height: var(--tap); border-radius: var(--r-md);
  color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-xs);
  transition: background var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.icon-btn:hover { background: var(--surface-hover); border-color: var(--line-2); color: var(--ink); }
.icon-btn:active { transform: scale(.94); }
.icon-btn.sm { width: var(--tap-sm); height: var(--tap-sm); border-radius: var(--r-sm); }
.icon-btn[disabled] { opacity: .4; pointer-events: none; }
#paletteBtn { display: inline-flex; align-items: center; justify-content: center; width: auto; padding: 0 12px 0 14px; gap: 10px; font-weight: 600; font-size: var(--fs-sm); color: var(--ink-3); }
#paletteBtn kbd { margin-left: 4px; }
.palette-label { display: inline; }

/* Content column */
.content {
  width: 100%; max-width: var(--content-max); margin-inline: auto;
  padding: var(--s-2) 32px 72px 20px;
  outline: none;
}
.view-enter { animation: view-in var(--dur-3) var(--ease) both; }
@keyframes view-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Tab bar (phone) */
.tabbar { display: none; }

/* ── Tablet: icon rail ─────────────────────────────────────────────────── */
@media (max-width: 1099px) {
  .app { grid-template-columns: var(--rail-w) minmax(0, 1fr); }
  .sidebar { padding-inline: var(--s-3); align-items: center; }
  .brand { padding: 0; }
  .brand-text, .side-card, .nav-label, .side-ver span { display: none; }
  .nav { width: 100%; }
  .nav-btn { justify-content: center; padding: 6px; }
  .side-ver { justify-content: center; }
  .topbar { padding-inline: 20px 24px; }
  .content { padding-inline: 16px 24px; }
}

/* ── Phone: floating tab bar ───────────────────────────────────────────── */
@media (max-width: 759px) {
  .app { display: block; }
  .sidebar { display: none; }
  .topbar { padding: calc(10px + var(--safe-t)) 12px 8px; --topbar-h: 68px; }
  .topbar-in { gap: var(--s-2); }
  .member-chip { padding-right: 8px; }
  .member-chip:not(.active) .member-name { display: none; }
  .member-chip.active { padding-right: 16px; }
  .topbar-in > .icon-btn, .topbar-in > .spacer, #paletteBtn, #themeBtn { display: none; }
  .member-strip { flex: 1; }
  .content { padding: var(--s-2) 16px calc(var(--tabbar-h) + 44px + var(--safe-b)); }

  .tabbar {
    position: fixed; z-index: 40; left: 12px; right: 12px; bottom: calc(10px + var(--safe-b));
    height: var(--tabbar-h); padding: 6px;
    display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 2px;
    background: var(--glass-bar); border: 1px solid var(--line); border-radius: 26px;
    box-shadow: var(--shadow-lg);
    -webkit-backdrop-filter: blur(22px) saturate(1.4); backdrop-filter: blur(22px) saturate(1.4);
  }
  .tab-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-width: 0; border-radius: 20px; color: var(--ink-3);
    font-size: var(--fs-xs); font-weight: 620; letter-spacing: -.005em;
    transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
  }
  .tab-btn span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tab-btn.active { background: var(--brand-soft); color: var(--brand-text); }
  .tab-btn.active svg { transform: translateY(-1px); }
  .tab-btn:active { transform: scale(.95); }
  #toast { bottom: calc(var(--tabbar-h) + 26px + var(--safe-b)) !important; }
}

/* ── Utility ───────────────────────────────────────────────────────────── */

.stack { display: grid; gap: var(--s-3); }
.stack-lg { display: grid; gap: var(--s-5); }
/* A grid with no explicit columns gets one implicit `auto` track, which sizes to
   its widest child's max-content and overflows a narrow container. Every
   single-column grid therefore names its track: it may shrink to the container. */
.stack, .stack-lg, .form, .field, .mb, .meter, .bc, .batch-list, .persona-points, .meal-list, .member-scale,
.source-list, .ing-table, .rd-section, .recipe-detail, .next-copy, .cook, .cook-main, .cook-side, .cook-block,
.cook-ings, .cook-portions, .cook-steplist, .extras, .day-slots, .day-slot, .dd-meal, .signal-list, .shop-meta,
.shop-progress-body, .method-body, .glossary, .filter-card, .onboard-steps, .p-list { grid-template-columns: minmax(0, 1fr); }
.row { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.grid { display: grid; gap: var(--s-4); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 899px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 639px) { .g2, .g3 { grid-template-columns: minmax(0, 1fr); } }

.splash { display: grid; place-items: center; gap: var(--s-3); min-height: 50vh; text-align: center; color: var(--ink-3); }
.splash .logo-mark { animation: pulse 1.6s var(--ease-io) infinite; }
@keyframes pulse { 50% { transform: scale(1.06); opacity: .8; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
}


/* ============================================================================
   v16 · AURORA HEALTH OS
   Premium family-health shell: calm density, stronger hierarchy, softer glass,
   faster scanning, and a visibly more modern application frame.
   ========================================================================== */

body {
  background:
    radial-gradient(1200px 760px at 88% -12%, color-mix(in oklab, var(--member) 10%, transparent), transparent 66%),
    linear-gradient(180deg, var(--bg), color-mix(in oklab, var(--bg-2) 58%, var(--bg)) 100%);
}
.bg {
  opacity: .92;
  filter: saturate(1.06);
  background:
    radial-gradient(980px 620px at 96% -10%, color-mix(in oklab, var(--member) 18%, transparent), transparent 64%),
    radial-gradient(860px 560px at 0% 12%, var(--aura-a), transparent 65%),
    radial-gradient(720px 500px at 54% 108%, var(--aura-b), transparent 68%),
    radial-gradient(650px 520px at 102% 62%, var(--aura-c), transparent 66%);
}

.sidebar {
  top: 18px;
  height: calc(100dvh - 36px);
  margin: 18px 0 18px 18px;
  padding: 22px 16px 18px;
  gap: 24px;
  border-radius: 30px;
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--glass-strong) 96%, transparent),
      color-mix(in oklab, var(--glass) 90%, transparent));
  border-color: color-mix(in oklab, var(--line-2) 82%, transparent);
  box-shadow: 0 24px 70px -42px rgba(4,20,13,.48), inset 0 1px rgba(255,255,255,.24);
  -webkit-backdrop-filter: blur(34px) saturate(1.28);
  backdrop-filter: blur(34px) saturate(1.28);
}
.brand {
  gap: 13px;
  padding: 4px 8px 10px;
}
.brand .logo-mark {
  border-radius: 14px;
  filter: drop-shadow(0 10px 18px color-mix(in oklab, var(--brand) 34%, transparent));
}
.brand-name {
  font-size: 1.05rem;
  letter-spacing: .08em;
}
.brand-sub {
  margin-top: 3px;
  font-size: .69rem;
  letter-spacing: .015em;
}

.nav { gap: 6px; }
.nav-btn {
  position: relative;
  min-height: 52px;
  padding: 7px 12px 7px 7px;
  border-radius: 17px;
  font-weight: 650;
}
.nav-ic {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: color-mix(in oklab, var(--surface-2) 86%, transparent);
}
.nav-btn.active {
  background:
    linear-gradient(90deg,
      color-mix(in oklab, var(--brand-soft) 88%, var(--surface)),
      color-mix(in oklab, var(--brand-soft) 26%, transparent));
  box-shadow: inset 3px 0 var(--brand), 0 10px 26px -22px color-mix(in oklab,var(--brand) 48%,transparent);
}
.nav-btn.active::after {
  content:'';
  position:absolute;
  right:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 5px color-mix(in oklab,var(--brand) 12%,transparent);
}

.side-card {
  padding: 13px 14px;
  border-radius: 18px;
  background:
    linear-gradient(145deg,
      color-mix(in oklab,var(--surface-2) 90%,transparent),
      color-mix(in oklab,var(--brand-soft) 22%,var(--surface-2)));
}

.topbar {
  padding: 18px 34px 14px 24px;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--bg) 78%, transparent),
    color-mix(in oklab, var(--bg) 54%, transparent));
  -webkit-backdrop-filter: blur(28px) saturate(1.32);
  backdrop-filter: blur(28px) saturate(1.32);
}
.topbar-in {
  min-height: 52px;
  gap: 10px;
}
.member-strip { gap: 9px; }
.member-chip {
  min-height: 50px;
  padding: 5px 17px 5px 5px;
  border-radius: 999px;
  background: color-mix(in oklab,var(--glass-strong) 93%,transparent);
  box-shadow: 0 10px 26px -24px rgba(0,0,0,.45), inset 0 1px rgba(255,255,255,.18);
}
.member-chip.active {
  background:
    linear-gradient(135deg,
      color-mix(in oklab,var(--member) 18%,var(--surface)),
      color-mix(in oklab,var(--surface) 94%,transparent));
  border-color: var(--member-line);
  box-shadow: 0 12px 30px -22px color-mix(in oklab,var(--member) 50%,transparent),
              inset 0 0 0 1px color-mix(in oklab,var(--member) 14%,transparent);
}
#paletteBtn,
.lang-btn,
.topbar .icon-btn {
  background: color-mix(in oklab,var(--glass-strong) 92%,transparent);
  border-color: var(--line);
  box-shadow: var(--shadow-xs);
}

.content {
  max-width: var(--content-max);
  padding: 6px 38px 88px 24px;
}
.view-enter { animation: v16-view-in 420ms var(--ease) both; }
@keyframes v16-view-in {
  from { opacity: 0; transform: translateY(14px) scale(.995); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1099px) {
  .sidebar {
    margin-left: 12px;
    border-radius: 24px;
  }
  .topbar { padding-inline: 16px 22px; }
  .content { padding-inline: 14px 22px; }
}

@media (max-width: 759px) {
  .topbar {
    padding: calc(9px + var(--safe-t)) 10px 7px;
    background: color-mix(in oklab,var(--bg) 78%,transparent);
  }
  .member-chip {
    min-height: 48px;
    box-shadow: none;
  }
  .content {
    padding: 4px 12px calc(var(--tabbar-h) + 44px + var(--safe-b));
  }
  .tabbar {
    left: 10px; right: 10px;
    bottom: calc(9px + var(--safe-b));
    height: 72px;
    padding: 6px;
    border-radius: 25px;
    background:
      linear-gradient(180deg,
        color-mix(in oklab,var(--glass-bar) 96%,transparent),
        color-mix(in oklab,var(--glass-strong) 92%,transparent));
    border-color: color-mix(in oklab,var(--line-2) 88%,transparent);
    box-shadow: 0 24px 60px -25px rgba(0,0,0,.55);
    -webkit-backdrop-filter: blur(28px) saturate(1.42);
    backdrop-filter: blur(28px) saturate(1.42);
  }
  .tab-btn {
    border-radius: 19px;
    font-size: .68rem;
  }
  .tab-btn.active {
    background:
      linear-gradient(180deg,
        color-mix(in oklab,var(--brand-soft) 96%,var(--surface)),
        color-mix(in oklab,var(--brand-soft) 58%,var(--surface)));
    box-shadow: inset 0 0 0 1px var(--brand-line);
  }
}