@font-face { font-family: 'Basit Sans'; src: url('../assets/fonts/BasitSans-Light.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Basit Sans'; src: url('../assets/fonts/BasitSans-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Basit Sans'; src: url('../assets/fonts/BasitSans-Italic.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: 'Basit Sans'; src: url('../assets/fonts/BasitSans-Medium.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Basit Sans'; src: url('../assets/fonts/BasitSans-SemiBold.woff2') format('woff2'); font-weight: 600; font-display: swap; }

/* Colour tokens match daibeats.com: navy/teal (#00D4A8) in dark mode, white/blue in light mode. */
:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --text: #1D1D1F;
  --text-muted: #6E6E73;
  --accent: #007AFF;
  --accent-dim: rgba(0, 122, 255, 0.08);
  --border: rgba(0, 0, 0, 0.09);
  --grid: rgba(0, 0, 0, 0.07);
  --alert: #E5484D;
  --good: #1F9D55;
  --fair: #B7791F;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #030B16; --surface: #071526; --text: #E8EDF5; --text-muted: #8BA3BC;
    --accent: #00D4A8; --accent-dim: rgba(0, 212, 168, 0.1); --border: rgba(0, 212, 168, 0.14);
    --grid: rgba(139, 163, 188, 0.14); --alert: #FF5C7C; --good: #3DDC97; --fair: #F6C05B;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #030B16; --surface: #071526; --text: #E8EDF5; --text-muted: #8BA3BC;
  --accent: #00D4A8; --accent-dim: rgba(0, 212, 168, 0.1); --border: rgba(0, 212, 168, 0.14);
  --grid: rgba(139, 163, 188, 0.14); --alert: #FF5C7C; --good: #3DDC97; --fair: #F6C05B;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--bg); color: var(--text); font-family: 'Basit Sans', system-ui, -apple-system, sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
code { font-size: 0.88em; background: var(--accent-dim); padding: 1px 5px; border-radius: 4px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
.hint, .muted { color: var(--text-muted); font-size: 0.9rem; }

/* Top bar */
.topbar { border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; gap: 16px; height: 68px; }
.brand img { display: block; height: 52px; width: auto; }
.topbar-title { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.product-name { font-weight: 600; font-size: 1.05rem; white-space: nowrap; }
.topbar-links { display: flex; align-items: center; gap: 18px; font-size: 0.9rem; }
.topbar-links a { text-decoration: none; color: var(--text-muted); }
.topbar-links a:hover { color: var(--text); }
.icon-btn { background: none; border: 1px solid var(--border); border-radius: 8px; width: 36px; height: 36px; display: grid; place-items: center; color: var(--text-muted); cursor: pointer; }
.icon-btn:hover { color: var(--accent); }
@media (max-width: 720px) { .topbar-links a { display: none; } .brand img { height: 40px; } }

/* Pills, buttons */
.pill { display: inline-block; font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 10px; border-radius: 100px; white-space: nowrap; vertical-align: middle; }
.pill.built { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--border); }
.pill.planned { color: var(--text-muted); border: 1px dashed var(--text-muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; font: inherit; font-weight: 500; font-size: 0.95rem; background: var(--accent); color: var(--bg); border: 1px solid var(--accent); border-radius: 8px; padding: 11px 20px; cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(1.08); }
.btn-outline { background: transparent; color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }
.eyebrow, .step { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

/* Hero */
.hero { padding-top: 64px; padding-bottom: 16px; }
h1 { font-weight: 300; font-size: clamp(2.1rem, 5.5vw, 3.5rem); line-height: 1.08; letter-spacing: -0.02em; margin: 12px 0 16px; max-width: 820px; }
.lead { font-size: 1.12rem; color: var(--text-muted); max-width: 660px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 22px; }
.trust { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.86rem; color: var(--text-muted); }
.trust li::before { content: '✓'; color: var(--accent); margin-right: 6px; }

/* Blocks */
.block { padding-top: 56px; }
.block-head { margin-bottom: 20px; max-width: 780px; }
h2 { font-weight: 400; font-size: clamp(1.5rem, 3.5vw, 2rem); letter-spacing: -0.01em; margin: 6px 0 8px; }
h3 { font-weight: 500; font-size: 1.08rem; margin: 6px 0 6px; }
.block-head p { color: var(--text-muted); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 860px) { .features-grid { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.feature p { color: var(--text-muted); font-size: 0.92rem; }
.why { margin-top: 36px; max-width: 780px; }
.why p { color: var(--text-muted); margin-bottom: 12px; }

/* Import */
.import-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
@media (max-width: 860px) { .import-grid { grid-template-columns: 1fr; } }
.export-steps { counter-reset: s; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.export-steps li { counter-increment: s; position: relative; padding-left: 40px; color: var(--text-muted); font-size: 0.95rem; }
.export-steps li strong { color: var(--text); font-weight: 500; }
.export-steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-dim); color: var(--accent); display: grid; place-items: center; font-size: 0.8rem; font-weight: 600; }
.dropzone { border: 2px dashed var(--border); border-radius: 14px; background: var(--surface); padding: 28px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; text-align: center; color: var(--text-muted); transition: border-color 0.15s, background 0.15s; }
.dropzone.over { border-color: var(--accent); background: var(--accent-dim); }
.dropzone p strong { color: var(--text); font-weight: 500; }
.drop-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.privacy-note { margin-top: 18px; font-size: 0.9rem; color: var(--text-muted); border-left: 3px solid var(--accent); background: var(--accent-dim); padding: 10px 14px; border-radius: 0 8px 8px 0; }
.privacy-note strong { color: var(--text); font-weight: 500; }
.progress { margin-top: 16px; }
.progress-bar { height: 6px; border-radius: 6px; background: var(--border); overflow: hidden; margin-bottom: 6px; }
.progress-bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s; }
.error-box { margin-top: 16px; color: var(--alert); border: 1px solid var(--alert); border-radius: 8px; padding: 10px 14px; font-size: 0.92rem; }

/* Dashboard */
.dash-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.dash-head .hint { max-width: 720px; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
@media (max-width: 860px) { .summary { grid-template-columns: 1fr 1fr; } }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; }
.stat span { font-size: 0.78rem; color: var(--text-muted); }
.stat strong { font-weight: 500; font-size: 1.6rem; line-height: 1.3; }
.stat small { font-size: 0.78rem; color: var(--text-muted); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 0.88rem; color: var(--text-muted); }
.card-title { color: var(--text); font-weight: 500; font-size: 1rem; }
.grid-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-charts .card { margin-bottom: 0; }
.grid-charts { margin-bottom: 14px; }
@media (max-width: 760px) { .grid-charts { grid-template-columns: 1fr; } }
.chart { width: 100%; height: 220px; display: block; }
.chart.tall { height: 240px; }
.legend { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; }
.legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.legend .dot-solid { background: var(--accent); }
.legend .dot-hollow { border: 1.6px solid var(--accent); margin-left: 8px; }
.legend .dot-alert { background: var(--alert); }
.apple-results { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.apple-row { display: flex; justify-content: space-between; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.apple-row strong { font-weight: 500; }
.table-wrap { overflow-x: auto; }
.recordings { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.recordings th, .recordings td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.recordings thead th { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; }
.recordings tbody tr { cursor: pointer; }
.recordings.no-apple th:nth-child(2), .recordings.no-apple td:nth-child(2) { display: none; }
.recordings tbody tr:hover, .recordings tbody tr.selected { background: var(--accent-dim); }
.recordings tbody tr:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.recordings .unit { color: var(--text-muted); font-size: 0.8rem; }
.q { font-size: 0.75rem; font-weight: 500; padding: 2px 9px; border-radius: 100px; }
.q-good { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.q-fair { color: var(--fair); background: color-mix(in srgb, var(--fair) 16%, transparent); }
.q-poor { color: var(--alert); background: color-mix(in srgb, var(--alert) 14%, transparent); }
.claude-card .btn { align-self: flex-start; }
.report-output { white-space: pre-wrap; font-size: 0.97rem; line-height: 1.7; border-top: 1px solid var(--border); padding-top: 12px; }
.report-output.error { color: var(--alert); }
.report-note { margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); white-space: normal; }
.payload summary { cursor: pointer; font-size: 0.85rem; color: var(--accent); }
.payload pre { margin-top: 8px; font-size: 0.78rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow-x: auto; max-height: 260px; color: var(--text-muted); }
.glucose-card { align-items: flex-start; gap: 6px; }
.glucose-card p { color: var(--text-muted); font-size: 0.92rem; max-width: 760px; }
.text-link { text-decoration: none; font-size: 0.92rem; }
.notice { font-size: 0.88rem; color: var(--text-muted); border-left: 3px solid var(--alert); padding: 10px 14px; background: color-mix(in srgb, var(--alert) 7%, transparent); border-radius: 0 8px 8px 0; }
.notice strong { color: var(--text); font-weight: 500; }
.accuracy-block strong { color: var(--text); font-weight: 500; }

/* Footer */
.footer { margin-top: 72px; border-top: 1px solid var(--border); background: var(--surface); padding: 28px 0; font-size: 0.88rem; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; }
.credits p + p { margin-top: 6px; }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; } }