:root {
    --bg: #F4F7FA;
    --bg-2: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.72);
    --glass-2: rgba(255, 255, 255, 0.9);
    --line: rgba(15, 23, 42, 0.09);
    --text: #0B1220;
    --muted: #4A5566;
    --accent: #51B5E0;
    --accent-ink: #1A6A8F;
    --on-accent: #04202D;
    --glow: rgba(81, 181, 224, 0.38);
    --glow-2: rgba(124, 92, 255, 0.16);
    --hard: #FF8A3D;
    --easy: #51B5E0;
    --rest: rgba(100, 116, 139, 0.18);
    --shadow: 0 30px 80px -30px rgba(15, 40, 70, 0.35);
    --radius: 24px;
    --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #05070A;
        --bg-2: #0B0F14;
        --glass: rgba(255, 255, 255, 0.045);
        --glass-2: rgba(255, 255, 255, 0.08);
        --line: rgba(255, 255, 255, 0.1);
        --text: #EEF3F8;
        --muted: #9AA7B4;
        --accent-ink: #7FCBEB;
        --glow: rgba(81, 181, 224, 0.3);
        --glow-2: rgba(124, 92, 255, 0.18);
        --rest: rgba(148, 163, 184, 0.14);
        --shadow: 0 30px 90px -30px rgba(81, 181, 224, 0.35);
        color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --bg: #05070A;
    --bg-2: #0B0F14;
    --glass: rgba(255, 255, 255, 0.045);
    --glass-2: rgba(255, 255, 255, 0.08);
    --line: rgba(255, 255, 255, 0.1);
    --text: #EEF3F8;
    --muted: #9AA7B4;
    --accent-ink: #7FCBEB;
    --glow: rgba(81, 181, 224, 0.3);
    --glow-2: rgba(124, 92, 255, 0.18);
    --rest: rgba(148, 163, 184, 0.14);
    --shadow: 0 30px 90px -30px rgba(81, 181, 224, 0.35);
    color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

.skip { position: absolute; left: 16px; top: -60px; padding: 8px 14px; background: var(--accent); color: var(--on-accent); border-radius: 10px; font-weight: 600; z-index: 50; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 32px; } }

/* Ambient background: two glows and a faint grid */
.ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.ambient::before, .ambient::after { content: ""; position: absolute; border-radius: 50%; filter: blur(80px); }
.ambient::before { width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; top: -20vw; right: -10vw; background: var(--glow); }
.ambient::after { width: 50vw; height: 50vw; max-width: 620px; max-height: 620px; top: 40vh; left: -20vw; background: var(--glow-2); }
.grid-lines {
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 70% 0%, #000 0%, transparent 60%);
    -webkit-mask-image: radial-gradient(ellipse at 70% 0%, #000 0%, transparent 60%);
    opacity: 0.6;
}

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); background: color-mix(in srgb, var(--bg) 70%, transparent); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.125rem; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.9375rem; }
.nav-links a:hover { color: var(--text); }
@media (max-width: 560px) { .nav-links .hide-sm { display: none; } }

.theme-toggle { width: 38px; height: 38px; display: inline-grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 999px; background: var(--glass); cursor: pointer; }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .i-sun { display: block; }
    :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 0; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s, background 0.2s; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 10px 30px -10px var(--glow), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 40px -12px var(--glow); }
.btn-ghost { background: var(--glass); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--glass-2); }
.btn-sm { padding: 9px 16px; font-size: 0.9375rem; }

/* Type */
h1, h2, h3 { margin: 0 0 14px; line-height: 1.05; letter-spacing: -0.035em; }
h1 { font-size: clamp(2.6rem, 8vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 5.5vw, 3.4rem); font-weight: 800; }
h3 { font-size: 1.1875rem; letter-spacing: -0.015em; line-height: 1.25; margin-bottom: 6px; }
p { margin: 0 0 14px; }
.grad {
    background: linear-gradient(100deg, var(--accent-ink) 0%, var(--accent) 55%, #8B7BFF 110%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.muted { color: var(--muted); }
.kicker { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--glass); font-size: 0.875rem; font-weight: 600; color: var(--muted); margin-bottom: 22px; }
.kicker b { background: var(--accent); color: var(--on-accent); padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head p { font-size: 1.1875rem; color: var(--muted); }
.center { text-align: center; margin-left: auto; margin-right: auto; }

section { padding: 72px 0; }
@media (min-width: 900px) { section { padding: 112px 0; } }

/* Hero */
.hero { padding-top: 40px; }
.hero .wrap { display: grid; gap: 40px; align-items: center; }
.hero .lede { font-size: clamp(1.25rem, 2.6vw, 1.6rem); font-weight: 600; letter-spacing: -0.01em; margin-bottom: 10px; }
.hero .sub { font-size: 1.0625rem; color: var(--muted); max-width: 30em; margin-bottom: 28px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .note { font-size: 0.875rem; color: var(--muted); margin-top: 14px; }
@media (min-width: 900px) {
    .hero { padding-top: 72px; }
    .hero .wrap { grid-template-columns: 1.15fr 1fr; gap: 56px; }
}

/* Interactive phone */
.phone-stage { display: grid; justify-items: center; gap: 18px; }
.phone {
    position: relative;
    width: min(78vw, 300px);
    padding: 9px;
    border-radius: 48px;
    background: linear-gradient(145deg, #2A2F37, #0E1114);
    box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}
.phone::after { content: ""; position: absolute; inset: -30px; z-index: -1; border-radius: 80px; background: radial-gradient(closest-side, var(--glow), transparent); }
.screens {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    border-radius: 39px;
    aspect-ratio: 1320 / 2868;
    background: #F2F2F7;
    overscroll-behavior-x: contain;
}
.screens::-webkit-scrollbar { display: none; }
.screens { cursor: grab; user-select: none; -webkit-user-select: none; }
.screens.dragging { cursor: grabbing; scroll-snap-type: none; }
.screen { flex: 0 0 100%; margin: 0; scroll-snap-align: center; scroll-snap-stop: always; }
.screen img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 420px) { .phone { width: 70vw; } }

.tabs { display: flex; gap: 4px; padding: 5px; border-radius: 999px; background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); max-width: 100%; }
.tab { display: grid; justify-items: center; gap: 2px; min-width: 56px; padding: 7px 10px; border: 0; border-radius: 999px; background: transparent; cursor: pointer; font-size: 0.75rem; font-weight: 600; color: var(--muted); transition: background 0.2s, color 0.2s; }
.tab svg { width: 20px; height: 20px; }
.tab[aria-selected="true"] { background: var(--glass-2); color: var(--accent-ink); box-shadow: 0 2px 12px -4px rgba(0, 0, 0, 0.2); }
@media (max-width: 380px) { .tab { min-width: 0; padding: 7px 7px; } }
.caption { min-height: 3.2em; max-width: 320px; text-align: center; color: var(--muted); font-size: 0.9375rem; margin: 0; }
.caption strong { color: var(--text); display: block; }
.swipe-hint { font-size: 0.8125rem; color: var(--muted); margin: -8px 0 0; }

/* Glass card */
.glass { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }

/* Say it demo */
.say { display: grid; gap: 28px; }
.say > *, .hero .wrap > * { min-width: 0; }
@media (min-width: 900px) { .say { grid-template-columns: 1fr 1fr; align-items: start; gap: 56px; } }
.say-box { padding: 22px; }
.say-form { display: flex; gap: 8px; padding: 6px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line); }
.say-form input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 10px 14px; font: inherit; color: var(--text); }
.say-form input:focus { outline: none; }
.say-form:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
.chip { border: 1px dashed var(--line); background: transparent; border-radius: 999px; padding: 6px 12px; font-size: 0.875rem; color: var(--muted); cursor: pointer; }
.chip:hover { color: var(--text); border-style: solid; }
.logged { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.logged:empty { display: none; }
.log-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); animation: pop 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.3) both; }
.log-row .ico { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; background: var(--glass-2); font-size: 1.125rem; }
.log-row .name { font-weight: 600; }
.log-row .val { margin-left: auto; font-weight: 700; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.log-row.note .val { color: var(--muted); font-weight: 600; font-size: 0.875rem; }
.demo-note { font-size: 0.8125rem; color: var(--muted); margin: 14px 0 0; }
.empty { color: var(--muted); font-size: 0.9375rem; padding: 12px 2px; }

@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.96); } to { opacity: 1; transform: none; } }

/* Coach week */
.week-card { padding: 20px; }
.scenarios { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.scenario { border: 1px solid var(--line); background: var(--bg-2); border-radius: 999px; padding: 9px 16px; cursor: pointer; font-weight: 600; font-size: 0.9375rem; }
.scenario[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.week { display: grid; gap: 8px; }
.day { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); min-height: 52px; }
.day .dname { font-size: 0.8125rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.day .slot { display: flex; flex-wrap: wrap; gap: 6px; }
.day.today { border-color: var(--accent); }
.sess { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 12px; font-size: 0.875rem; font-weight: 600; color: #1B1206; background: var(--hard); }
.sess.easy { background: var(--easy); color: var(--on-accent); }
.sess.rest { background: var(--rest); color: var(--muted); }
.sess.missed { background: transparent; color: var(--muted); border: 1px dashed var(--line); text-decoration: line-through; }
.sess.changed { box-shadow: 0 0 0 2px var(--bg-2), 0 0 0 4px var(--accent); }
@media (min-width: 900px) {
    .week { grid-template-columns: repeat(7, 1fr); }
    .day { grid-template-columns: 1fr; align-content: start; justify-items: start; min-height: 150px; padding: 12px; }
    .day .slot { flex-direction: column; align-items: stretch; width: 100%; }
    .sess { justify-content: center; text-align: center; }
}
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8125rem; color: var(--muted); margin-top: 14px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.bubble { display: flex; gap: 12px; align-items: center; margin-top: 18px; padding: 14px 16px; border-radius: 20px; background: var(--bg-2); border: 1px solid var(--line); animation: pop 0.4s ease both; }
.coach-avatar { flex: none; width: 36px; height: 36px; border-radius: 10px; align-self: flex-start; }
.bubble-body { flex: 1; min-width: 0; min-height: 36px; display: flex; flex-direction: column; justify-content: center; }
.bubble p { margin: 0; }
.bubble .row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.bubble[hidden] { display: none; }

/* Bento */
.bento { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .bento { grid-template-columns: repeat(3, 1fr); } .span-2 { grid-column: span 2; } }
.tile { padding: 24px; position: relative; overflow: hidden; transition: transform 0.25s, border-color 0.25s; }
.tile:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.tile p { color: var(--muted); margin: 0; }
.tile .emoji { font-size: 1.75rem; margin-bottom: 14px; display: block; }
.strip { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.strip span { padding: 8px 12px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); font-size: 0.9375rem; }
.strip .arrow { background: none; border: 0; padding: 0; color: var(--hard); }
.flame { font-size: 3.25rem; font-weight: 800; letter-spacing: -0.04em; display: flex; align-items: baseline; gap: 8px; margin: 6px 0 4px; font-variant-numeric: tabular-nums; }
.flame small { font-size: 1rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.vs { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; margin-top: 18px; padding: 12px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); text-align: center; font-size: 0.8125rem; color: var(--muted); }
.vs b { display: block; font-size: 1.375rem; color: var(--text); letter-spacing: -0.02em; }
.vs .win b { color: #1F9D55; }
:root[data-theme="dark"] .vs .win b { color: #4ADE80; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .vs .win b { color: #4ADE80; } }
.pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.pills span { padding: 6px 12px; border-radius: 999px; font-size: 0.8125rem; font-weight: 600; background: var(--bg-2); border: 1px solid var(--line); }

/* Privacy band */
.privacy { text-align: center; }
.privacy .shield { width: 84px; height: 84px; margin: 0 auto 22px; border-radius: 26px; display: grid; place-items: center; background: linear-gradient(145deg, var(--accent), #3B82C4); color: #fff; box-shadow: 0 20px 50px -18px var(--glow); }
.privacy .shield svg { width: 40px; height: 40px; }
.privacy p { max-width: 36em; margin-left: auto; margin-right: auto; color: var(--muted); font-size: 1.125rem; }
.facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 26px 0; padding: 0; list-style: none; }
.facts li { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--glass); font-weight: 600; font-size: 0.9375rem; }

/* CTA */
.cta { text-align: center; }
.cta .icon { width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 26px; box-shadow: 0 20px 50px -16px var(--glow); }

/* Footer */
.footer { padding: 32px 0 40px; border-top: 1px solid var(--line); font-size: 0.875rem; color: var(--muted); }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.footer ul { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; margin: 0; padding: 0; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* Scroll reveal (only when JS is on and motion is allowed) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .log-row, .bubble { animation: none; }
    .tile, .btn { transition: none; }
}

[hidden] { display: none !important; }

/* Kitchen demo */
.kitchen { display: grid; gap: 16px; }
@media (min-width: 900px) { .kitchen { grid-template-columns: 0.9fr 1.1fr; gap: 20px; align-items: start; } }
.panel { padding: 22px; }
.panel h3 { display: flex; align-items: center; gap: 10px; }
.step-no { width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-size: 0.8125rem; font-weight: 800; }
.receipt {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.8125rem;
    color: #2A2A2A;
    background: #FBFAF7;
    border-radius: 6px;
    padding: 16px 16px 20px;
    margin: 14px 0 16px;
    box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.5);
    mask-image: linear-gradient(#000 92%, transparent);
    -webkit-mask-image: linear-gradient(#000 92%, transparent);
    transition: opacity 0.4s, transform 0.4s;
}
.receipt .row { display: flex; justify-content: space-between; gap: 12px; }
.receipt .muted-line { color: #6B6B6B; }
.receipt.scanned { opacity: 0.35; transform: scale(0.98); }
.receipt .scanline { height: 2px; background: var(--accent); box-shadow: 0 0 12px var(--accent); margin: 0 -16px; opacity: 0; }
.receipt.scanning .scanline { opacity: 1; animation: scan 0.9s ease-in-out; }
@keyframes scan { from { transform: translateY(-140px); } to { transform: translateY(40px); } }
.pantry { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.pantry li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 14px; background: var(--bg-2); border: 1px solid var(--line); animation: pop 0.4s ease both; }
.level { margin-left: auto; font-size: 0.8125rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; transition: background 0.3s, color 0.3s; }
.level.plenty { background: rgba(34, 197, 94, 0.16); color: #15803D; }
.level.some { background: rgba(81, 181, 224, 0.18); color: var(--accent-ink); }
.level.low { background: rgba(255, 138, 61, 0.2); color: #B45309; }
.level.out { background: var(--rest); color: var(--muted); }
:root[data-theme="dark"] .level.plenty { color: #4ADE80; }
:root[data-theme="dark"] .level.low { color: #FDBA74; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .level.plenty { color: #4ADE80; }
    :root:not([data-theme="light"]) .level.low { color: #FDBA74; }
}
.gap-row { display: flex; align-items: center; gap: 14px; margin: 14px 0; }
.ring { --p: 79; width: 64px; height: 64px; flex: none; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--rest) 0); transition: --p 0.8s; }
.ring span { width: 50px; height: 50px; border-radius: 50%; background: var(--bg-2); display: grid; place-items: center; font-weight: 800; font-size: 0.9375rem; }
.dinner { padding: 14px 16px; border-radius: 18px; background: var(--bg-2); border: 1px solid var(--line); margin-top: 10px; animation: pop 0.4s ease both; }
.dinner .meta { margin-bottom: 10px; }
.dinner h4 { margin: 0 0 4px; font-size: 1.0625rem; letter-spacing: -0.01em; }
.dinner .meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 0.875rem; color: var(--muted); margin-bottom: 12px; }
.dinner .meta b { color: var(--text); }
.placeholder { color: var(--muted); font-size: 0.9375rem; padding: 14px 0 4px; }
.estimate { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding: 14px; border-radius: 16px; border: 1px dashed var(--line); }
.estimate .big { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.fine { font-size: 0.8125rem; color: var(--muted); margin: 10px 0 0; }

/* Numbers section */
.numbers { display: grid; gap: 14px; }
@media (min-width: 700px) { .numbers { grid-template-columns: repeat(3, 1fr); } .numbers .wide { grid-column: 1 / -1; } }
.vital { padding: 20px; }
.vital .top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.vital .name { font-weight: 700; font-size: 0.9375rem; }
.vital .val { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.vital .val small { font-size: 0.8125rem; font-weight: 600; color: var(--muted); letter-spacing: 0; margin-left: 3px; }
.trend { font-size: 0.8125rem; font-weight: 700; }
.trend.up { color: #15803D; }
.trend.warn { color: #B45309; }
:root[data-theme="dark"] .trend.up { color: #4ADE80; }
:root[data-theme="dark"] .trend.warn { color: #FDBA74; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .trend.up { color: #4ADE80; }
    :root:not([data-theme="light"]) .trend.warn { color: #FDBA74; }
}
.spark { width: 100%; height: 70px; margin-top: 12px; display: block; overflow: visible; }
.sleep-card { padding: 22px; }
.sleep-card .head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: baseline; }
.sleep-chart { width: 100%; height: auto; margin-top: 14px; display: block; }
.sleep-legend { display: flex; gap: 16px; font-size: 0.8125rem; color: var(--muted); }
.science { display: flex; gap: 16px; align-items: flex-start; padding: 22px; }
.science .book { flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: rgba(81, 181, 224, 0.16); font-size: 1.5rem; }
.science p { color: var(--muted); margin: 0; }
.science ul { margin: 10px 0 0; padding-left: 1.1em; color: var(--muted); font-size: 0.9375rem; }

/* Goal countdown and leaderboard tiles */
.goal-tile { display: flex; flex-direction: column; }
.countdown { flex: 1; display: flex; align-items: center; gap: 18px; margin-top: 14px; }
.cal { width: 78px; height: 84px; flex: none; border-radius: 18px; background: var(--bg-2); border: 1px solid var(--line); display: grid; grid-template-rows: 26px 1fr; overflow: hidden; box-shadow: 0 8px 22px -12px rgba(0, 0, 0, 0.45); }
.cal i { display: grid; place-items: center; background: #E5484D; color: #fff; font-style: normal; font-weight: 800; font-size: 0.75rem; letter-spacing: 0.08em; }
.cal b { display: grid; place-items: center; font-size: 2.25rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.countdown .days { font-size: 3rem; font-weight: 800; letter-spacing: -0.04em; color: #2F7DF6; line-height: 1; font-variant-numeric: tabular-nums; white-space: nowrap; }
:root[data-theme="dark"] .countdown .days { color: #6AA5FF; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .countdown .days { color: #6AA5FF; } }
.countdown .days small { font-size: 1.0625rem; color: var(--text); letter-spacing: -0.01em; }
.countdown .target { margin-top: 8px; color: var(--muted); font-size: 0.9375rem; line-height: 1.4; }
.countdown .target strong { color: var(--text); }
.board { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.board li { display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: center; padding: 8px 12px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
.board li.me { border-color: var(--accent); }
.board .pos { font-weight: 800; color: var(--muted); }
.board .me .who { color: var(--accent-ink); font-weight: 700; }
.badge { display: inline-block; font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.06em; padding: 2px 8px; border-radius: 999px; background: #F28C38; color: #fff; vertical-align: 2px; margin-left: 6px; }
.mini-cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; margin-top: 14px; }
.mini-cal span { aspect-ratio: 1; border-radius: 8px; background: #F29A4A; display: grid; place-items: center; font-size: 0.75rem; }
.mini-cal span.frz { background: #B7E6F5; }
.mini-cal span.off { background: var(--rest); }

/* Coach scenarios */
.scenario-group { display: grid; gap: 8px; margin-bottom: 14px; }
.group-label { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.scenario-group .scenarios { margin-bottom: 0; }
.week { margin-top: 8px; }
.sess.event { background: linear-gradient(120deg, #7C5CFF, #51B5E0); color: #fff; }
.legend .ev { background: linear-gradient(120deg, #7C5CFF, #51B5E0); }
.day .dname.now { color: var(--accent-ink); }

/* Connected strip toggle */
.night-toggle { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }
.strip span { transition: background 0.3s; }
.strip .chg { border-color: var(--accent); }
#strip-text { margin-top: 14px; }

/* Habit stats card */
.habit-card { padding: 22px; }
.habit-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.habit-tab { border: 1px solid var(--line); background: var(--bg-2); border-radius: 999px; padding: 9px 16px; cursor: pointer; font-weight: 600; font-size: 0.9375rem; }
.habit-tab[aria-selected="true"] { background: var(--hc, var(--accent)); border-color: transparent; color: #fff; }
.habit-body { display: grid; gap: 20px; }
@media (min-width: 900px) { .habit-body { grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; } }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { padding: 14px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); }
.stat .l { font-size: 0.8125rem; font-weight: 600; color: var(--muted); }
.stat .v { font-size: 1.625rem; font-weight: 800; letter-spacing: -0.03em; color: var(--hc-ink, var(--accent-ink)); font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat .s { font-size: 0.8125rem; color: var(--muted); }
.insight { margin: 12px 0; padding: 14px 16px; border-radius: 16px; background: color-mix(in srgb, var(--accent) 12%, transparent); font-size: 0.9375rem; }
.insight p { margin: 0; }
.insight p + p { margin-top: 6px; color: var(--muted); }
.records { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.rec { display: flex; align-items: center; gap: 10px; }
.rec .i { font-size: 1.25rem; }
.rec b { display: block; font-size: 1.0625rem; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.rec span.l { font-size: 0.8125rem; color: var(--muted); }
.chart-box { padding: 16px; border-radius: 18px; background: var(--bg-2); border: 1px solid var(--line); }
.chart-box h3 { font-size: 1rem; margin-bottom: 10px; }
.bars { width: 100%; height: auto; display: block; color: var(--text); }
.bars rect { transition: y 0.5s ease, height 0.5s ease; }

/* Habit Science questions */
.science-head { margin: 56px 0 18px; }
.science-head h3 { font-size: 1.5rem; }
.questions, .qcol { display: grid; gap: 12px; align-content: start; }
@media (min-width: 700px) { .questions { grid-template-columns: 1fr 1fr; align-items: start; } }
.q { padding: 0; }
.q summary { cursor: pointer; list-style: none; padding: 18px 20px; font-weight: 700; font-size: 1.0625rem; display: flex; justify-content: space-between; gap: 12px; border-radius: var(--radius); }
.q summary::-webkit-details-marker { display: none; }
.q summary::after { content: "+"; color: var(--accent-ink); font-size: 1.375rem; line-height: 1; transition: transform 0.2s; }
.q[open] summary::after { transform: rotate(45deg); }
.q p { margin: 0; padding: 0 20px 18px; color: var(--muted); }
.q .cite { display: block; margin-top: 6px; font-size: 0.8125rem; font-style: italic; }

/* Pantry levels are tappable */
button.level { border: 0; cursor: pointer; font: inherit; font-size: 0.8125rem; font-weight: 700; }
.pantry-hint { font-size: 0.8125rem; color: var(--muted); margin: 10px 0 0; }

.more-ideas { margin-top: 12px; }

:root[data-theme="dark"] .screens { background: #000; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .screens { background: #000; } }

/* Phones */
h1, h2, h3 { text-wrap: balance; }
@media (max-width: 560px) {
    /* Scenario chips scroll sideways instead of stacking into a tall list */
    .night-toggle { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-left: -24px; margin-right: -24px; padding: 2px 24px 4px; }
    .night-toggle::-webkit-scrollbar { display: none; }
    .night-toggle .scenario { flex: none; padding: 8px 14px; font-size: 0.875rem; }
    .week-card .scenarios { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -20px; padding: 2px 20px 4px; scroll-padding: 20px; }
    .week-card .scenarios::-webkit-scrollbar { display: none; }
    .week-card .scenario { flex: none; padding: 8px 14px; font-size: 0.875rem; }
    /* The sleep chain reads top to bottom */
    .strip { flex-direction: column; align-items: flex-start; gap: 4px; }
    .strip .arrow { transform: rotate(90deg); margin-left: 14px; line-height: 1; }
}
.tier { display: inline-block; font-size: 0.75rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; margin-bottom: 8px; }
.tier.fast { background: rgba(34, 197, 94, 0.15); color: #15803D; }
.tier.medium { background: rgba(81, 181, 224, 0.18); color: var(--accent-ink); }
.tier.slow { background: rgba(255, 138, 61, 0.18); color: #B45309; }
:root[data-theme="dark"] .tier.fast { color: #4ADE80; }
:root[data-theme="dark"] .tier.slow { color: #FDBA74; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .tier.fast { color: #4ADE80; }
    :root:not([data-theme="light"]) .tier.slow { color: #FDBA74; }
}
.pantry li { padding: 8px 12px; }
@media (min-width: 560px) and (max-width: 899px) { .pantry { grid-template-columns: 1fr 1fr; } }
.pantry .pantry-hint { grid-column: 1 / -1; }