/* CaffeineIQ. Dark-first instrument-panel look: near-black ground, greys, one amber accent,
   monospace type and a dot-matrix chart. Visual approach inspired by
   charles-postiaux/caffeine-day (MIT); see NOTICE. */

:root {
  color-scheme: dark;
  --bg: #0E0E0E;
  --bg-glow: #0E0E0E;
  --surface: #0E0E0E;
  --surface-2: #1F1F1F;
  --surface-3: #3A3A3A;
  --ink: #ECECEC;
  --ink-2: #8C8C8C;
  --ink-3: #8C8C8C;
  --rule: #1F1F1F;
  --rule-strong: #3A3A3A;
  --amber: #FFB02E;
  --amber-ink: #FFB02E;
  --amber-fill: rgba(255, 176, 46, 0.12);
  --amber-fill-strong: rgba(255, 176, 46, 0.4);
  --on-amber: #0E0E0E;
  --sleep: #7C8CFF;
  --sleep-ink: #A3AEFF;
  --sleep-fill: rgba(124, 140, 255, 0.07);
  --sleep-soft: #3A3A3A;
  --night: #1F1F1F;
  --clear: #D4D4D4;
  --clear-bg: #1F1F1F;
  --borderline: #FFB02E;
  --borderline-bg: rgba(255, 176, 46, 0.1);
  --wired: #FFB02E;
  --wired-bg: rgba(255, 176, 46, 0.2);
  --focus: #ECECEC;
  --shadow: none;
  --chart-bg: #0E0E0E;
  --dot-lo: #3A3A3A;
  --dot-hi: #ECECEC;
  --dot-near: #242424;
  --dot-far: #171717;
  --c-ink: #D4D4D4;
  --c-white: #ECECEC;
  --c-mid: #8C8C8C;
  --c-dim: #3A3A3A;
  --accent: #FFB02E;
  --accent-text: #FFB02E;
  --sleep-alpha: 0.055;
  --radius: 14px;
  --radius-sm: 10px;
  --font: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #F2F1EE;
  --bg-glow: #F2F1EE;
  --surface: #FAFAF8;
  --surface-2: #E9E8E4;
  --surface-3: #D4D4D4;
  --ink: #141414;
  --ink-2: #595959;
  --ink-3: #595959;
  --rule: #E2E1DC;
  --rule-strong: #C4C3BE;
  --amber: #FFB02E;
  --amber-ink: #8A5300;
  --amber-fill: rgba(229, 148, 0, 0.12);
  --amber-fill-strong: rgba(229, 148, 0, 0.4);
  --on-amber: #141414;
  --sleep: #4B5BD6;
  --sleep-ink: #3946B0;
  --sleep-fill: rgba(75, 91, 214, 0.07);
  --sleep-soft: #C4C3BE;
  --night: #141414;
  --clear: #141414;
  --clear-bg: #E9E8E4;
  --borderline: #8A5300;
  --borderline-bg: rgba(229, 148, 0, 0.14);
  --wired: #8A5300;
  --wired-bg: rgba(229, 148, 0, 0.26);
  --focus: #141414;
  --shadow: none;
  --chart-bg: #FAFAF8;
  --dot-lo: #C9C8C4;
  --dot-hi: #141414;
  --dot-near: #E6E5E1;
  --dot-far: #EFEEEB;
  --c-ink: #262626;
  --c-white: #0E0E0E;
  --c-mid: #595959;
  --c-dim: #BDBCB8;
  --accent: #E08E00;
  --accent-text: #8A5300;
  --sleep-alpha: 0.08;
}
@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
  color-scheme: light;
  --bg: #F2F1EE;
  --bg-glow: #F2F1EE;
  --surface: #FAFAF8;
  --surface-2: #E9E8E4;
  --surface-3: #D4D4D4;
  --ink: #141414;
  --ink-2: #595959;
  --ink-3: #595959;
  --rule: #E2E1DC;
  --rule-strong: #C4C3BE;
  --amber: #FFB02E;
  --amber-ink: #8A5300;
  --amber-fill: rgba(229, 148, 0, 0.12);
  --amber-fill-strong: rgba(229, 148, 0, 0.4);
  --on-amber: #141414;
  --sleep: #4B5BD6;
  --sleep-ink: #3946B0;
  --sleep-fill: rgba(75, 91, 214, 0.07);
  --sleep-soft: #C4C3BE;
  --night: #141414;
  --clear: #141414;
  --clear-bg: #E9E8E4;
  --borderline: #8A5300;
  --borderline-bg: rgba(229, 148, 0, 0.14);
  --wired: #8A5300;
  --wired-bg: rgba(229, 148, 0, 0.26);
  --focus: #141414;
  --shadow: none;
  --chart-bg: #FAFAF8;
  --dot-lo: #C9C8C4;
  --dot-hi: #141414;
  --dot-near: #E6E5E1;
  --dot-far: #EFEEEB;
  --c-ink: #262626;
  --c-white: #0E0E0E;
  --c-mid: #595959;
  --c-dim: #BDBCB8;
  --accent: #E08E00;
  --accent-text: #8A5300;
  --sleep-alpha: 0.08;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, p { margin: 0; }
h2 { font-size: 0.78rem; line-height: 1.3; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); }
a { color: var(--ink); text-underline-offset: 3px; text-decoration-color: var(--ink-2); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.muted { color: var(--ink-2); }
.small { font-size: 0.85rem; }
.icon { width: 1.15em; height: 1.15em; flex: none; display: inline-block; vertical-align: -0.2em; }
:focus-visible { outline: 2.5px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.skip { position: absolute; left: 12px; top: -60px; background: var(--surface); padding: 8px 14px; border-radius: 10px; z-index: 50; box-shadow: var(--shadow); }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* ---- header ---- */
.site-header { padding: 14px 0 6px; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; min-width: 0; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.wordmark { font-weight: 700; font-size: 0.95rem; letter-spacing: 0.14em; text-transform: uppercase; line-height: 1.2; }
.tagline { color: var(--ink-2); font-size: 0.7rem; line-height: 1.3; letter-spacing: 0.06em; text-transform: uppercase; }
.header-actions { display: flex; gap: 6px; align-items: center; flex: none; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1; white-space: nowrap;
  transition: background-color .15s, border-color .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); color: var(--on-amber); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary { background: var(--surface-2); border-color: var(--rule); }
.btn-secondary:hover { background: var(--surface-3); }
.btn-ghost { background: transparent; border-color: var(--rule-strong); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { min-height: 38px; padding: 0 13px; font-size: 0.72rem; }
.btn-lg { min-height: 50px; padding: 0 20px; font-size: 0.8rem; }
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 999px;
  background: transparent; border: 1px solid transparent; color: var(--ink-2); flex: none;
}
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon-btn .icon { width: 20px; height: 20px; }
.icon-btn-sm { width: 36px; height: 36px; }
.link-btn { background: none; border: 0; padding: 6px 4px; color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---- cards & layout ---- */
main { display: flex; flex-direction: column; gap: 14px; padding-top: 8px; padding-bottom: 28px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px 16px; min-width: 0; }
.section-head { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.section-head.row { flex-direction: row; align-items: center; justify-content: space-between; gap: 10px; }
.hint { color: var(--ink-2); font-size: 0.8rem; }
.grid-2 { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) {
  .grid-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  .card { padding: 22px 24px; }
}

/* ---- banner ---- */
.banner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--rule-strong); color: var(--ink); }
.banner > .icon { color: var(--sleep-ink); width: 22px; height: 22px; }
.banner p { flex: 1 1 200px; font-size: 0.92rem; }
.banner-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---- verdict ---- */
.verdict { padding-top: 12px; }
.day-nav { display: flex; align-items: center; gap: 2px; margin: 0 -6px 6px; color: var(--ink-2); font-size: 0.88rem; font-weight: 600; }
.day-label { min-width: 6.5em; text-align: center; }
.verdict-main { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 10px 16px; }
.verdict-text { flex: 1 1 300px; font-size: 0.8rem; line-height: 1.4; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); font-weight: 500; }
.verdict-text .v-pre, .verdict-text .v-post { display: block; }
.verdict-text strong { display: block; font-weight: 600; white-space: nowrap; font-size: clamp(3.2rem, 15vw, 5.2rem); line-height: 1; letter-spacing: -0.04em; color: var(--ink); margin: 6px 0 4px; text-transform: none; }
.verdict-text strong .unit { font-size: 0.36em; letter-spacing: 0.06em; margin-left: 0.15em; color: var(--ink-2); text-transform: uppercase; }
.verdict-text strong[data-status="clear"] { color: var(--clear); }
.verdict-text strong[data-status="borderline"] { color: var(--borderline); }
.verdict-text strong[data-status="wired"] { color: var(--wired); }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px 6px 10px; border-radius: 999px; font-weight: 700; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; margin-top: 4px; box-shadow: inset 0 0 0 1px var(--rule-strong); }
.status .icon { width: 18px; height: 18px; }
.status[data-status="clear"] { background: var(--clear-bg); color: var(--clear); }
.status[data-status="borderline"] { background: var(--borderline-bg); color: var(--borderline); }
.status[data-status="wired"] { background: var(--amber); color: var(--on-amber); box-shadow: none; }
.verdict-facts { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 6px 22px; color: var(--ink-2); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.verdict-facts li { display: block; }
.verdict-facts b { color: var(--ink); font-weight: 650; }
.verdict-facts .warn { color: var(--amber-ink); font-weight: 600; }
.verdict-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.verdict-cta .btn { flex: 1 1 auto; }
@media (min-width: 560px) { .verdict-cta .btn { flex: 0 0 auto; } }

/* ---- chart ---- */
.chart-card { padding-left: 10px; padding-right: 10px; }
.chart-card .section-head, .chart-card .chart-legend, .chart-card .values, .chart-card .preview-bar { margin-left: 6px; margin-right: 6px; }
@media (min-width: 900px) { .chart-card { padding-left: 18px; padding-right: 18px; } }
.chart { position: relative; width: 100%; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent; }
.chart canvas { display: block; position: absolute; left: 0; top: 0; }
.c-layer { position: absolute; inset: 0; }
.c-surface { position: absolute; cursor: crosshair; touch-action: pan-y; border-radius: 6px; }
.c-surface:focus { outline: none; }
.c-surface:focus-visible { outline: 1.5px dashed var(--focus); outline-offset: 2px; }
.c-bedhandle { position: absolute; cursor: ew-resize; touch-action: none; border-radius: 8px; }
.c-bedhandle:focus { outline: none; }
.c-bedhandle:focus-visible { outline: 1.5px solid var(--focus); outline-offset: 0; }
.c-markers { position: absolute; inset: 0; pointer-events: none; }
.c-mhandle { position: absolute; width: 28px; height: 28px; border-radius: 50%; cursor: grab; touch-action: none; pointer-events: auto; }
.c-mhandle.dragging { cursor: grabbing; }
.c-mhandle:focus { outline: none; }
.c-mhandle:focus-visible { outline: 1.5px solid var(--focus); outline-offset: -4px; }
.chart-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 0.8rem; color: var(--ink-2); margin-top: 6px; }
.lg { display: inline-block; width: 18px; height: 10px; border-radius: 3px; margin-left: 6px; }
.lg:first-child { margin-left: 0; }
.lg-curve { height: 8px; width: 18px; background: radial-gradient(circle, var(--c-ink) 1.3px, transparent 1.6px) 0 0 / 6px 6px; border-radius: 0; }
.lg-line { height: 0; border-top: 1.5px dotted var(--c-mid); border-radius: 0; }
.lg-sleep { background: var(--sleep-fill); border: 1px solid var(--sleep-soft); }
.lg-ghost { height: 8px; width: 18px; background: radial-gradient(circle, var(--accent) 1.3px, transparent 1.6px) 0 0 / 6px 6px; border-radius: 0; }

.values { margin-top: 10px; font-size: 0.88rem; }
.values summary { cursor: pointer; color: var(--ink-2); padding: 6px 0; width: max-content; max-width: 100%; }
.mini-table { border-collapse: collapse; font-size: 0.85rem; min-width: 100%; }
.mini-table th, .mini-table td { padding: 4px 10px; text-align: right; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.mini-table th:first-child, .mini-table td:first-child { text-align: left; }

/* preview (Can I have this now?) */
.preview-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; padding: 12px 14px; margin-bottom: 8px; border-radius: var(--radius-sm); border: 1.5px dashed var(--rule-strong); background: var(--surface-2); }
.preview-copy { flex: 1 1 240px; min-width: 0; }
.preview-title { font-weight: 650; }
.preview-result { color: var(--ink-2); font-size: 0.95rem; }
.preview-result b { color: var(--ink); }
.preview-result .st { font-weight: 700; }
.preview-result .st[data-status="clear"] { color: var(--clear); }
.preview-result .st[data-status="borderline"] { color: var(--borderline); }
.preview-result .st[data-status="wired"] { color: var(--wired); }
.preview-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.preview-controls .time-field { flex-direction: row; align-items: center; gap: 6px; }

/* ---- form controls ---- */
input[type="time"], input[type="number"], input[type="text"], input[type="search"], select {
  min-height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--rule-strong);
  background: var(--surface-2); padding: 0 10px; font-variant-numeric: tabular-nums; min-width: 0; color-scheme: inherit;
}
input[type="time"] { padding-right: 6px; }
select { padding-right: 28px; appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
input:focus-visible, select:focus-visible { outline: 2.5px solid var(--focus); outline-offset: 1px; }
.time-field, .field { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--ink-2); font-weight: 600; min-width: 0; }
.time-field input, .field input, .field select { color: var(--ink); font-weight: 500; font-size: 1rem; }
.field-label { font-size: 0.85rem; color: var(--ink-2); font-weight: 600; }

.search-field { position: relative; display: flex; align-items: center; }
.search-field .icon { position: absolute; left: 12px; color: var(--ink-3); pointer-events: none; }
.search-field input { width: 100%; padding-left: 38px; border-radius: 999px; }
.search-field.big input { min-height: 48px; font-size: 1rem; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 2px 6px; margin: 0 -2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--rule-strong); background: var(--surface); font-size: 0.87rem; font-weight: 600; white-space: nowrap; color: var(--ink-2); }
.chip .icon { width: 16px; height: 16px; }
.chip[aria-checked="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; background: transparent; }

.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; min-height: 44px; position: relative; }
.switch input { position: absolute; opacity: 0; width: 44px; height: 26px; margin: 0; cursor: pointer; }
.switch-track { width: 44px; height: 26px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--rule-strong); position: relative; flex: none; transition: background-color .15s; }
.switch-track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .15s; }
.switch input:checked + .switch-track { background: var(--amber); border-color: var(--amber); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }
.switch input:focus-visible + .switch-track { outline: 2.5px solid var(--focus); outline-offset: 2px; }
.switch-label { font-size: 0.95rem; }

.seg { display: grid; gap: 6px; }
.seg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.seg label { position: relative; display: block; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; min-height: 52px; height: 100%; padding: 6px 8px; border-radius: var(--radius-sm); border: 1px solid var(--rule-strong); background: var(--surface); font-size: 0.85rem; font-weight: 600; line-height: 1.25; color: var(--ink-2); }
.seg small { font-size: 0.8rem; font-weight: 500; color: inherit; opacity: 0.85; }
.seg input:checked + span { background: var(--surface-2); border-color: var(--ink); color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.seg input:focus-visible + span { outline: 2.5px solid var(--focus); outline-offset: 2px; }

/* ---- dose list ---- */
.dose-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.dose { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "time name del" "time meta del"; align-items: center; column-gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--rule); }
.dose:last-child { border-bottom: 0; }
.dose.selected .dose-name { color: var(--amber-ink); }
.index-more { display: flex; justify-content: center; padding-top: 12px; }
.dose.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: var(--amber-fill); } to { background: transparent; } }
.dose-time { grid-area: time; }
.dose-time input { width: 7.4em; font-weight: 600; }
.dose-name { grid-area: name; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.dose-meta { grid-area: meta; display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 0.88rem; flex-wrap: wrap; }
.dose-meta select { min-height: 32px; font-size: 0.85rem; padding: 0 26px 0 8px; border-radius: 8px; }
.dose-mg { font-weight: 600; color: var(--ink); }
.dose-del { grid-area: del; }
.carry-row { color: var(--ink-2); font-size: 0.88rem; padding: 8px 0 4px; }
.empty { color: var(--ink-2); padding: 6px 0 2px; }
.day-extra { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px 14px; margin-top: 10px; padding-top: 6px; border-top: 1px solid var(--rule); }
.total { font-size: 0.92rem; color: var(--ink-2); }
.total b { color: var(--ink); }
.total .warn { color: var(--wired); font-weight: 650; }

/* ---- last call ---- */
.lastcall-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.lc { position: relative; display: flex; flex-direction: column; gap: 2px; padding: 12px 12px 10px; border: 1px solid var(--rule-strong); border-radius: 12px; background: transparent; min-width: 0; }
.lc-name { font-weight: 600; font-size: 0.8rem; line-height: 1.25; padding-right: 30px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lc-mg { font-size: 0.8rem; color: var(--ink-2); }
.lc-time { font-size: 1.45rem; font-weight: 600; letter-spacing: -0.02em; margin-top: 4px; }
.lc-sub { font-size: 0.78rem; color: var(--ink-2); min-height: 1.2em; }
.lc[data-state="none"] .lc-time { color: var(--amber-ink); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 6px 0 2px; }
.lc[data-state="passed"] .lc-time { color: var(--ink-3); text-decoration: line-through; text-decoration-thickness: 1.5px; }
.lc[data-state="any"] .lc-time { color: var(--ink); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 6px 0 2px; }
.lc-actions { display: flex; gap: 6px; margin-top: 8px; }
.lc-actions .btn { min-height: 34px; padding: 0 11px; font-size: 0.82rem; flex: 1; }
.lc-pin { position: absolute; top: 4px; right: 4px; width: 36px; height: 36px; color: var(--ink-3); }
.lc-pin[aria-pressed="true"] { color: var(--amber); }

/* ---- body ---- */
.halflife { padding: 12px 14px 12px; border-radius: 12px; background: var(--surface-2); margin-bottom: 14px; }
.halflife-value { font-size: 1.15rem; }
.halflife-value strong { font-size: 1.45rem; letter-spacing: -0.02em; }
.hl-scale { margin: 10px 0 4px; }
.hl-track { position: relative; height: 6px; background: radial-gradient(circle, var(--c-dim) 1.4px, transparent 1.8px) 0 50% / 6px 6px repeat-x; }
.hl-typical { position: absolute; left: calc((5 - 2) / 12 * 100%); top: -3px; width: 2px; height: 14px; background: var(--ink-3); border-radius: 1px; }
.hl-dot { position: absolute; top: 50%; width: 18px; height: 18px; margin: -9px 0 0 -9px; border-radius: 50%; background: var(--amber); border: 3px solid var(--surface-2); transition: left .25s ease; }
.hl-ticks { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--ink-2); margin-top: 6px; }
.halflife-math { font-size: 0.82rem; }
.qs { border: 0; padding: 0; margin: 0 0 14px; min-width: 0; }
.qs legend { font-weight: 650; font-size: 0.95rem; margin-bottom: 8px; padding: 0; }
.check { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; cursor: pointer; }
.check input { width: 22px; height: 22px; margin: 1px 0 0; flex: none; accent-color: var(--amber); }
.check .q { display: block; font-weight: 550; }
.note { display: block; color: var(--ink-2); font-size: 0.82rem; margin-top: 4px; }
.callout { padding: 10px 12px; border-left: 3px solid var(--sleep); background: var(--surface-2); border-radius: 0 10px 10px 0; font-size: 0.9rem; margin: -6px 0 14px; }
.override { margin-bottom: 10px; }
.range-row { display: flex; align-items: center; gap: 12px; padding: 4px 0 6px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--amber); height: 32px; min-width: 0; }
.range-row output { min-width: 3.2em; text-align: right; font-weight: 700; }
.range-row.off { opacity: 0.45; }
.times { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---- history ---- */
.history { display: grid; grid-template-columns: repeat(14, minmax(0, 1fr)); gap: 4px; align-items: end; height: 132px; padding-top: 4px; position: relative; }
.h-night { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 4px; height: 100%; background: none; border: 0; padding: 0; border-radius: 8px; min-width: 0; color: var(--ink-2); }
.h-bar-wrap { position: relative; width: 100%; flex: 1; display: flex; align-items: flex-end; justify-content: center; }
.h-bar { width: 6px; min-height: 3px; border-radius: 3px; background: var(--c-ink); }
.h-night[data-status="borderline"] .h-bar, .h-night[data-status="wired"] .h-bar { background: var(--amber); }
.h-night[data-status="none"] .h-bar { background: transparent; border: 1.5px dashed var(--rule-strong); height: 14px; }
.h-line { position: absolute; left: -2px; right: -2px; border-top: 1px dotted var(--c-mid); pointer-events: none; }
.h-day { font-size: 0.7rem; line-height: 1; }
.h-rate { font-size: 0.65rem; line-height: 1; height: 0.7rem; color: var(--sleep-ink); font-weight: 700; }
.h-night[aria-pressed="true"] { background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--rule-strong); }
.h-night[aria-pressed="true"] .h-day { color: var(--ink); font-weight: 700; }
.history-detail { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--rule); font-size: 0.92rem; }
.history-detail .row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.rating { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; align-items: center; }
.rating button { min-width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--rule-strong); background: transparent; font-weight: 700; }
.rating button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.rating .rate-cap { font-size: 0.78rem; color: var(--ink-2); }
.history-compare { margin-top: 12px; font-size: 0.9rem; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; }
.compare div { padding: 10px 12px; border-radius: 12px; background: var(--surface-2); }
.compare b { font-size: 1.3rem; display: block; }

/* ---- research ---- */
.research-list { margin: 10px 0 8px; padding-left: 1.1em; display: flex; flex-direction: column; gap: 8px; }
.research-list li::marker { color: var(--ink-2); }

/* ---- index ---- */
.index-tools { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
@media (min-width: 900px) { .index-tools { flex-direction: row; align-items: center; } .index-tools .search-field { flex: 0 0 300px; } }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.index-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.index-table th { text-align: left; font-weight: 600; color: var(--ink-2); border-bottom: 1px solid var(--rule-strong); padding: 0; position: sticky; top: 0; background: var(--surface); }
.index-table th button { display: inline-flex; align-items: center; gap: 4px; min-height: 40px; padding: 0 8px; background: none; border: 0; font-weight: 650; color: inherit; }
.index-table th button .icon { width: 14px; height: 14px; opacity: 0.6; }
.index-table th[aria-sort="ascending"] button, .index-table th[aria-sort="descending"] button { color: var(--ink); }
.index-table th.num button { margin-left: auto; display: flex; }
.index-table td { padding: 8px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.index-table td.num { text-align: right; white-space: nowrap; }
.index-table tr:hover td { background: var(--surface-2); }
.ix-name { font-weight: 600; }
.ix-name a { color: var(--ink); text-decoration: none; }
.ix-name a:hover { text-decoration: underline; }
.ix-name a .icon { width: 12px; height: 12px; color: var(--ink-3); margin-left: 3px; vertical-align: -1px; }
.ix-brand { display: block; color: var(--ink-2); font-size: 0.8rem; font-weight: 500; }
.ix-serving-inline { display: none; }
.index-table .add-mini { width: 36px; height: 36px; color: var(--amber-ink); border: 1px solid var(--rule-strong); }
@media (max-width: 560px) {
  .index-table .col-serving { display: none; }
  .ix-serving-inline { display: inline; }
  .index-table td, .index-table th button { padding-left: 5px; padding-right: 5px; }
}
.tag { display: inline-block; padding: 1px 6px; margin-left: 6px; border-radius: 6px; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--borderline); background: var(--borderline-bg); vertical-align: 1px; }

/* ---- footer ---- */
.site-footer { padding: 6px 0 40px; color: var(--ink-2); font-size: 0.88rem; }
.site-footer p + p { margin-top: 6px; }
.site-footer strong { color: var(--ink); }

/* ---- picker sheet ---- */
.sheet { padding: 0; border: 0; background: transparent; color: var(--ink); width: 100%; max-width: 560px; max-height: 100%; margin: auto auto 0; }
.sheet::backdrop { background: rgba(0, 0, 0, 0.66); }
.sheet[open] { display: flex; }
.sheet-inner { display: flex; flex-direction: column; width: 100%; max-height: min(88vh, 760px); max-height: min(88dvh, 760px); background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 18px 18px 0 0; overflow: hidden; padding-bottom: env(safe-area-inset-bottom); }
@media (min-width: 640px) {
  .sheet { margin: auto; }
  .sheet-inner { border-radius: 22px; max-height: min(84vh, 760px); }
}
.sheet-head { display: flex; align-items: center; gap: 6px; padding: 10px 8px 6px 16px; }
.sheet-head h2 { flex: 1; font-size: 1.1rem; }
.pick-list { display: flex; flex-direction: column; gap: 8px; padding: 0 16px; min-height: 0; flex: 1; }
.pick-results { list-style: none; margin: 0 -16px; padding: 0 8px 16px; overflow-y: auto; flex: 1; min-height: 200px; overscroll-behavior: contain; }
.pick-group { font-size: 0.75rem; font-weight: 700; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; padding: 12px 8px 4px; }
.pick-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; width: 100%; text-align: left; padding: 10px 8px; border: 0; background: none; border-radius: 12px; min-height: 56px; }
.pick-row:hover, .pick-row:focus-visible { background: var(--surface-2); }
.pick-row .pr-name { font-weight: 600; display: block; line-height: 1.3; }
.pick-row .pr-meta { display: block; font-size: 0.8rem; color: var(--ink-2); }
.pick-row .pr-mg { text-align: right; font-weight: 700; white-space: nowrap; }
.pick-row .pr-mg small { display: block; font-weight: 500; color: var(--ink-2); font-size: 0.75rem; }
.cat-badge { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--surface-2); color: var(--ink); flex: none; }
.cat-badge .icon { width: 20px; height: 20px; }
.cat-badge.custom { background: transparent; box-shadow: inset 0 0 0 1px var(--rule-strong); color: var(--ink); }
.pick-empty { padding: 20px 8px; color: var(--ink-2); }
.pick-detail { padding: 4px 16px 18px; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; }
.detail-head { display: flex; gap: 12px; align-items: center; }
.detail-head .cat-badge { width: 46px; height: 46px; border-radius: 14px; }
.detail-name { font-size: 1.1rem; font-weight: 650; line-height: 1.3; }
.custom-fields { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 10px; }
.stepper { display: flex; align-items: center; gap: 6px; }
.stepper input { width: 6em; text-align: center; font-weight: 650; font-size: 1.05rem; }
.stepper .icon-btn { border-color: var(--rule-strong); }
.stepper .unit { color: var(--ink-2); font-weight: 500; min-width: 3em; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.detail-mg { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.detail-mg > span:first-child { font-size: 2rem; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); }
.detail-source { font-size: 0.85rem; color: var(--ink-2); }
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
.detail-actions .btn-primary { flex: 1 1 180px; }
#d-pin[aria-pressed="true"] { color: var(--amber-ink); border-color: var(--amber); }

/* ---- toast ---- */
.toast { border: 1px solid var(--rule-strong); position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 40; display: flex; align-items: center; gap: 12px; max-width: calc(100% - 32px); padding: 10px 10px 10px 16px; border-radius: 14px; background: var(--ink); color: var(--bg); box-shadow: 0 10px 30px rgba(0,0,0,.25); font-size: 0.92rem; }
.toast .link-btn { color: var(--amber-ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ==== Design language from the app screens: uppercase 11px mono labels, hairline rows,
   huge numeral, white pill primary, amber only for the drink being considered or over the line. ==== */
.lbl { font-size: 11px; line-height: 16px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.hi { font-size: 11px; line-height: 16px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); font-weight: 600; }
.amber { color: var(--amber-ink) !important; }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { filter: none; background: var(--c-white); }
.btn-ghost { border-color: var(--rule-strong); color: var(--ink); }
.btn { border-radius: 999px; }

.verdict-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 18px; }
.day-nav { margin: -6px 0 0 -10px; gap: 0; align-items: flex-start; }
.day-stack { display: flex; flex-direction: column; padding-top: 8px; min-width: 0; }
.day-label { min-width: 0; text-align: left; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); font-weight: 600; line-height: 16px; }
.day-nav .icon-btn { margin-top: 0; }
.day-meta { display: flex; flex-direction: column; text-align: right; padding-top: 2px; }
.verdict-main { display: flex; flex-direction: column; gap: 8px; }
.verdict-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.big-num { font-size: clamp(76px, 24vw, 112px); line-height: 0.84; font-weight: 500; letter-spacing: -0.05em; color: var(--ink); font-variant-numeric: tabular-nums; }
.big-num .unit { font-size: 20px; letter-spacing: 0.04em; color: var(--ink-2); margin-left: 0.1em; }
.big-num.over { color: var(--amber); }
:root[data-theme="light"] .big-num.over { color: var(--amber-ink); }
.status { display: inline-flex; align-items: center; gap: 8px; height: 28px; padding: 0 12px; margin: 0 0 4px; border-radius: 14px; box-shadow: inset 0 0 0 1px var(--rule-strong); background: transparent !important; color: var(--ink) !important; font-size: 11px; letter-spacing: 0.06em; font-weight: 600; text-transform: uppercase; }
.status .shape { width: 8px; height: 8px; flex: none; }
.status[data-status="clear"] .shape { border-radius: 50%; background: #5BE49B; }
:root[data-theme="light"] .status[data-status="clear"] .shape { background: #1E9E5A; }
.status[data-status="borderline"] .shape { background: var(--accent); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.status[data-status="wired"] .shape { background: var(--accent); transform: rotate(45deg); width: 7px; height: 7px; }
.verdict-facts { font-size: 11px; letter-spacing: 0.06em; margin-top: 12px; }
.verdict-facts li.warn, .verdict-facts li.warn b { color: var(--amber-ink); }
.verdict-cta { margin-top: 20px; }
@media (max-width: 559px) { .verdict-cta .btn { flex: 1 1 100%; } }

.preview-bar { flex-direction: column; align-items: stretch; gap: 10px; margin: 16px 0 0; padding: 14px 0 0; border: 0; border-top: 1px solid var(--rule); border-radius: 0; background: transparent; }
.preview-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.preview-head .hi { color: var(--amber-ink); }
:root:not([data-theme="light"]) .preview-head .hi { color: var(--amber); }
.preview-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.preview-controls .btn { flex: 1 1 140px; min-height: 48px; }
.time-field.inline { flex-direction: row; align-items: center; gap: 8px; }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 44px; border-top: 1px solid var(--rule); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); }
.rows li span:last-child { text-align: right; font-variant-numeric: tabular-nums; }

/* Last call as hairline rows */
.lastcall-grid { display: block; }
.lc { display: flex; align-items: center; gap: 4px; padding: 0; border: 0; border-top: 1px solid var(--rule); border-radius: 0; background: transparent; }
.lc:first-child { border-top: 0; }
.lc-main { flex: 1; min-width: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 52px; padding: 6px 2px; background: none; border: 0; text-align: left; border-radius: 8px; }
.lc-main:hover { background: var(--surface-2); }
.lc-name { display: flex; flex-direction: column; min-width: 0; padding: 0; }
.lc-n { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); line-height: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.lc-mg { font-size: 11px; letter-spacing: 0.04em; color: var(--ink-2); line-height: 16px; }
.lc-right { display: flex; align-items: baseline; gap: 10px; flex: none; }
.lc-time { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; margin: 0; color: var(--ink); text-transform: uppercase; }
.lc-note { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber-ink); }
:root:not([data-theme="light"]) .lc-note { color: var(--amber); }
.lc[data-state="none"] .lc-time, .lc[data-state="passed"] .lc-time { color: var(--ink-2); font-size: 11px; letter-spacing: 0.06em; text-decoration: none; padding: 0; }
.lc[data-state="any"] .lc-time { color: var(--ink); font-size: 11px; letter-spacing: 0.06em; padding: 0; }
.lc[data-state="none"] .lc-n, .lc[data-state="passed"] .lc-n { color: var(--ink-2); }
.lc-pin { position: static; width: 40px; height: 40px; }
.lc-pin[aria-pressed="true"] { color: var(--ink); }

/* Today's drinks as hairline rows */
.dose { border-bottom: 0; border-top: 1px solid var(--rule); }
.dose:first-child { border-top: 0; }
.dose-name { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500; }
.dose-meta { font-size: 11px; letter-spacing: 0.04em; }
.dose-time input { font-size: 13px; }
.total { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.switch-label { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.qs legend { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.check .q { font-size: 12px; letter-spacing: 0.02em; }
.seg span { font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.time-field > span, .field > span, .field-label { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500; }
.halflife-value { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.halflife-value strong { display: block; font-size: 44px; line-height: 1.05; letter-spacing: -0.04em; color: var(--ink); font-weight: 500; text-transform: none; margin-top: 4px; }
.chart-legend { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.values summary { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.index-table th button { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
.index-table { font-size: 12.5px; }
.pick-row .pr-name { font-size: 12px; letter-spacing: 0.03em; text-transform: uppercase; font-weight: 500; }
.pick-group { font-size: 11px; color: var(--ink-2); }
.sheet-head h2 { font-size: 11px; }
.detail-name { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.section-head.row { align-items: baseline; }
.chart-card .hint { margin: -6px 6px 10px; }
.h-day, .h-rate { font-size: 10px; letter-spacing: 0.02em; }
.history-detail, .history-compare { font-size: 12px; }
.compare b { font-weight: 500; font-size: 28px; letter-spacing: -0.03em; }
.status { white-space: nowrap; }

/* ---- tuning after review ---- */
.lbl, .hi, .day-label, .verdict-facts, .rows li, .lc-n, .lc-note, .dose-name, .total, .switch-label,
.seg span, .time-field > span, .field > span, .field-label, .halflife-value, .chart-legend, .values summary,
.index-table th button, .status, .tag { letter-spacing: 0.04em; }
.wordmark { letter-spacing: 0.08em; }
h2, .qs legend { letter-spacing: 0.06em; }
.btn { letter-spacing: 0.06em; }
.chip { letter-spacing: 0.04em; }
.status, .status[data-status] { box-shadow: inset 0 0 0 1px var(--rule-strong) !important; }
.day-meta, .day-stack .lbl, .day-label { white-space: nowrap; }
.day-nav .icon-btn-sm { width: 32px; height: 32px; }
.day-nav .icon-btn-sm .icon { width: 16px; height: 16px; }
.day-stack { padding-top: 6px; }
@media (max-width: 479px) { .tagline { display: none; } .site-header { padding-top: 12px; } }
.dose-time input { width: auto; min-width: 7.6em; }
.lc { flex-direction: row; }
.lc-main { color: inherit; }
.lc-name { align-items: flex-start; }
.index-table .add-mini { color: var(--ink); width: 34px; height: 34px; }
@media (max-width: 560px) {
  .index-table td.num { white-space: normal; font-size: 11.5px; }
  .index-table td:first-child { width: 55%; }
}
@media (min-width: 900px) {
  .preview-bar { display: grid !important; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); column-gap: 28px; row-gap: 6px; }
  .preview-bar[hidden] { display: none !important; }
  .preview-head { grid-column: 1 / -1; }
  .preview-controls { align-self: center; }
}
.index-more { flex-direction: column; align-items: center; gap: 8px; }
.pick-more { display: flex; margin: 10px auto 4px; }
#pick-count { margin: -4px 0 0; }

/* ---- brand + landing ---- */
.brand-mark { width: 32px; height: 32px; border-radius: 7px; }
.wordmark { text-transform: none; letter-spacing: 0.02em; font-size: 1.05rem; font-weight: 600; color: var(--ink); }
.wordmark .iq { color: var(--amber); }
:root[data-theme="light"] .wordmark .iq { color: var(--amber-ink); }
.hero { padding: 6px 2px 2px; }
.hero h1 { font-size: clamp(1.15rem, 4.6vw, 1.7rem); line-height: 1.25; font-weight: 600; letter-spacing: -0.01em; max-width: 34em; text-wrap: balance; }
.hero-sub { margin-top: 8px; color: var(--ink-2); font-size: 0.88rem; max-width: 62em; }
.hero-tag { margin-top: 8px; }
@media (max-width: 599px) {
  .hero-sub { display: none; }
  .hero { padding-top: 0; }
}
.sources { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--rule); display: flex; flex-direction: column; gap: 6px; }
.info h2 { margin-bottom: 12px; }
.info p + p { margin-top: 8px; }
.steps { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 14px; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; } }
.steps li { border-top: 1px solid var(--rule); padding-top: 10px; }
.steps p { margin-top: 6px; font-size: 0.9rem; }
.info-rows { margin-top: 10px; }
.info-rows li { flex-wrap: wrap; padding: 10px 0; }
.info-rows li span:last-child { text-transform: none; letter-spacing: 0; font-size: 0.85rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 14px; }
.footer-nav a { color: var(--ink); text-decoration: none; padding: 6px 0; }
.footer-nav a:hover { text-decoration: underline; }
.loading-row { padding: 18px 8px; color: var(--ink-2); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.loading-row::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 10px; border-radius: 50%; background: var(--amber); vertical-align: 1px; animation: pulse 1s ease-in-out infinite alternate; }
@keyframes pulse { from { opacity: 0.25; } to { opacity: 1; } }
.legal { max-width: 820px; }
.legal .info-rows li { flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px 0; }
.legal .info-rows li span:last-child { text-align: left; }
.header-actions a.btn { text-decoration: none; }

/* =====================================================================
   Usability redesign (UX.md): sentences in sans, labels/numbers in mono.
   ===================================================================== */
:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --text: #D4D4D4;
  --ok: #5BE49B;
}
:root[data-theme="light"] { --text: #262626; --ok: #1E8A50; }
@media (prefers-color-scheme: light) { :root[data-theme="system"] { --text: #262626; --ok: #1E8A50; } }

body { font-family: var(--font-sans); font-size: 16px; line-height: 1.5; color: var(--text); letter-spacing: 0; }
h1, h2, h3 { font-family: var(--font-sans); text-transform: none; letter-spacing: -0.01em; color: var(--ink); }
h2 { font-size: 1.125rem; font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 650; margin: 0; }
p, li, td, label, summary, legend, output, input, select, button { font-family: inherit; }
.hint, .muted.small, .small { font-size: 0.875rem; }
.small { font-size: 0.875rem; }

/* labels: mono, uppercase, never under 12px */
.lbl, .chip, .tag, .index-table th button, .c-axis, .day-label, .seg small, .tile-mg, .answers .a-kicker, .qgroup > .lbl {
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em; font-size: 12px; line-height: 16px;
}
.tag { font-size: 12px; padding: 1px 6px; }
.num, .big-num, .mono, .time-link, input[type="time"], .dose-time, .tb-title b, .week-big, .a-time { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* buttons: sentence case sans, 44 px targets */
.btn { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; font-weight: 600; min-height: 44px; }
.btn-sm { font-size: 14px; min-height: 44px; padding: 0 14px; }
.btn-lg { font-size: 16px; min-height: 52px; }
.icon-btn, .icon-btn-sm { width: 44px; height: 44px; }
.link-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 4px; font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--ink-2); }
.link-btn .icon { width: 18px; height: 18px; }
.chip { min-height: 44px; padding: 0 14px; border-radius: 22px; color: var(--ink); background: transparent; border: 1px solid var(--rule-strong); }
.chip[aria-checked="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chips.wrap { flex-wrap: wrap; overflow: visible; }
.chip small { font-size: 12px; opacity: 0.8; margin-left: 6px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* hero */
.hero { padding: 2px 2px 0; }
.hero h1 { font-size: clamp(1.15rem, 4.4vw, 1.5rem); font-weight: 650; }

/* day bar */
.day-bar { display: flex; align-items: center; gap: 2px; margin: -4px 0 -6px -10px; }
.day-bar .day-label { color: var(--ink); min-width: 0; }

/* cards general */
.card .title { font-size: 1.3rem; }
.section-head h2 { font-size: 1.125rem; }

/* start card + tiles */
.start .title { margin-bottom: 14px; }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
@media (min-width: 760px) { .tiles { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.tile { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: 10px; min-height: 104px; padding: 14px; border-radius: 14px; border: 1px solid var(--rule-strong); background: var(--surface-2); color: var(--ink); text-align: left; cursor: pointer; }
.tile:hover { border-color: var(--ink-2); }
.tile[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.tile .icon { width: 28px; height: 28px; }
.tile-name { font-size: 16px; font-weight: 650; line-height: 1.2; }
.tile-mg { color: var(--ink-2); margin-top: 2px; display: block; }
.tiles.small { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (min-width: 760px) { .tiles.small { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.tiles.small .tile { min-height: 72px; padding: 10px; gap: 6px; }
.tiles.small .tile .icon { width: 22px; height: 22px; }
.tiles.small .tile-name { font-size: 14px; }
.repeat-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.start-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0 10px; margin-top: 10px; color: var(--ink-2); font-size: 15px; }
.start-meta .sep { color: var(--ink-2); }
.start-hint { color: var(--ink-2); font-size: 15px; margin-top: 2px; }
.inline-time { min-height: 44px; }
.time-link { font-family: var(--font-mono); }

/* quick add */
.quick { background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 16px; padding: 6px 16px 16px; margin-top: 14px; }
.quick-head { display: flex; align-items: center; gap: 6px; margin: 0 -8px 4px 0; }
.quick-head h3 { flex: 1; }
.quick-body { display: flex; flex-direction: column; gap: 14px; }
.qgroup { display: flex; flex-direction: column; gap: 8px; }
.qgroup > .lbl { color: var(--ink-2); }
.qgroup .field { display: flex; flex-direction: column; gap: 4px; }
#q-custom { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 10px; }
#q-custom[hidden] { display: none; }
.qmore summary { cursor: pointer; color: var(--ink-2); font-size: 15px; min-height: 44px; display: flex; align-items: center; }
.qmore select { margin-top: 4px; min-height: 44px; font-size: 15px; }
.quick-preview { font-size: 16px; color: var(--ink); min-height: 1.5em; }
.quick-preview b { font-family: var(--font-mono); }
.quick-source { font-size: 13px; color: var(--ink-2); }
.quick-source a { color: var(--ink-2); }
.quick-actions .btn { width: 100%; }
.stepper input { font-family: var(--font-mono); }
.quick-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); z-index: 39; }
@media (max-width: 759px) {
  .quick { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; margin: 0; max-height: 88vh; max-height: 88dvh; overflow-y: auto; border-radius: 20px 20px 0 0; border-bottom: 0; padding-bottom: calc(16px + env(safe-area-inset-bottom)); overscroll-behavior: contain; }
}
@media (min-width: 760px) { .quick-backdrop { display: none !important; } }

/* answer card */
.answer-sentence { font-size: clamp(1.35rem, 5.4vw, 1.9rem); line-height: 1.25; font-weight: 650; color: var(--ink); letter-spacing: -0.015em; }
.answer-number { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 8px 16px; margin-top: 10px; }
.answer .big-num { font-size: clamp(64px, 20vw, 104px); }
.answer-meaning { margin-top: 8px; font-size: 16px; }
.answer-meaning .time-link { font-size: 16px; min-height: 0; padding: 0; vertical-align: baseline; }
.answer-line { margin-top: 6px; font-size: 16px; }
.answer-line.tip { color: var(--ink); }
.answer-line.cutoff { display: flex; flex-wrap: wrap; align-items: center; gap: 0 12px; }
.answer-note { margin-top: 8px; padding: 10px 12px; border-left: 3px solid var(--amber); background: var(--surface-2); border-radius: 0 10px 10px 0; font-size: 15px; }
.answer-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
@media (max-width: 559px) { .answer-cta .btn { flex: 1 1 100%; } }
.example-note { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 15px; color: var(--ink-2); margin: -6px 0 6px; }
.status { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; height: auto; min-height: 32px; padding: 6px 12px; margin-bottom: 8px; white-space: normal; }
.status[data-status="clear"] .shape, .shape-ok { border-radius: 50%; background: var(--ok); }
.shape { display: inline-block; width: 9px; height: 9px; flex: none; }
.shape-mid { background: var(--accent); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.shape-bad { background: var(--accent); transform: rotate(45deg); width: 8px; height: 8px; }
.shape-ok { width: 9px; height: 9px; }

/* fix-it */
.fixit { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.fixit .lbl { color: var(--ink-2); }
.fix { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--rule-strong); border-radius: 12px; }
.fix p { font-size: 15px; }
.fix b { font-family: var(--font-mono); }

/* preview bar (Can I still have one?) */
.preview-bar { border-top: 1px solid var(--rule); margin-top: 16px; padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.preview-title { font-size: 16px; font-weight: 600; color: var(--ink); }
.preview-bar .rows li { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; }
@media (min-width: 900px) { .preview-bar { display: flex !important; } .preview-bar[hidden] { display: none !important; } }

/* can I still have */
.answers { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.answers button { width: 100%; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; min-height: 76px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--rule-strong); background: transparent; color: var(--ink); text-align: left; }
.answers button:hover { border-color: var(--ink-2); }
.a-name { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 16px; }
.a-name .icon { width: 20px; height: 20px; }
.a-ans { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.answers [data-kind="none"] .a-ans, .answers [data-kind="passed"] .a-ans { color: var(--amber-ink); }
:root:not([data-theme="light"]) .answers [data-kind="none"] .a-ans, :root:not([data-theme="light"]) .answers [data-kind="passed"] .a-ans { color: var(--amber); }

/* chart toolbar + coach */
.drink-toolbar { margin-top: 8px; padding: 10px 12px; border: 1px solid var(--rule-strong); border-radius: 12px; display: flex; flex-direction: column; gap: 8px; }
.tb-title { font-size: 15px; color: var(--ink); }
.tb-buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.coach { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 6px; font-size: 15px; color: var(--ink-2); }
.chart-card .section-head { margin-bottom: 4px; }

/* today's drinks */
.dose { grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "glyph name mg" "glyph meta meta"; column-gap: 12px; row-gap: 2px; padding: 12px 0; }
.dose-glyph { grid-area: glyph; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); color: var(--ink); align-self: start; }
.dose-glyph .icon { width: 20px; height: 20px; }
.dose-name { grid-area: name; font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 16px; font-weight: 600; white-space: normal; }
.dose-mg { grid-area: mg; font-family: var(--font-mono); font-size: 15px; white-space: nowrap; }
.dose-meta { grid-area: meta; font-family: var(--font-sans); font-size: 15px; color: var(--ink-2); display: flex; flex-wrap: wrap; align-items: center; gap: 0 10px; }
.dose-meta .link-btn { font-size: 15px; }
.check.alcohol { border-top: 1px solid var(--rule); margin-top: 6px; padding-top: 12px; }
.check .q { font-size: 16px; }
.note, .why { font-size: 14px; color: var(--ink-2); }
.save-usual { margin-top: 4px; }

/* week */
.week-dots { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; margin: 12px 0 10px; }
.wd { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.wd .shape { width: 14px; height: 14px; }
.wd .shape-bad { width: 12px; height: 12px; }
.wd .shape-none { width: 14px; height: 14px; border-radius: 50%; border: 1.5px dashed var(--rule-strong); }
.wd .lbl { color: var(--ink-2); }
.week-text p { font-size: 15px; margin-top: 4px; }
.week-big { font-size: 28px; color: var(--ink); }
.week-rate { margin-top: 12px; }
.week-rate .rating { margin-top: 6px; }
.rating .rate-cap { font-size: 14px; }

/* personalize */
.personalize { padding: 0; }
.personalize > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 16px; cursor: pointer; min-height: 56px; }
.personalize > summary::-webkit-details-marker { display: none; }
.personalize .p-title { font-size: 1.125rem; font-weight: 650; color: var(--ink); }
.personalize .chev { transition: transform .15s; }
.personalize[open] .chev { transform: rotate(90deg); }
.p-body { padding: 0 16px 18px; display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 900px) { .personalize > summary { padding: 20px 24px; } .p-body { padding: 0 24px 22px; } }
.p-result { font-size: 16px; padding: 12px 14px; background: var(--surface-2); border-radius: 12px; }
.yn { border: 0; padding: 0; margin: 0; }
.yn legend { font-size: 16px; font-weight: 600; color: var(--ink); padding: 0; font-family: var(--font-sans); text-transform: none; letter-spacing: 0; margin-bottom: 2px; }
.yn .why { margin-bottom: 8px; }
.seg-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 320px; }
.seg span { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; min-height: 48px; }
.seg small { display: block; margin-top: 2px; }
.range-row[hidden] { display: none; }

/* promos */
.promo-banner { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 8px 8px 14px; border: 1px solid var(--rule-strong); border-radius: 14px; background: var(--surface); }
.promo-banner[hidden], .promo-card[hidden], .promo-line[hidden] { display: none; }
.promo-banner p { flex: 1 1 200px; font-size: 15px; }
.promo-card { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 16px; padding: 10px 6px 10px 14px; border-top: 1px solid var(--rule); }
.promo-card p { flex: 1 1 220px; font-size: 15px; color: var(--ink-2); }
.promo-line { display: flex; align-items: center; gap: 6px 10px; flex-wrap: wrap; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--rule); }
.promo-line p { flex: 1 1 220px; font-size: 15px; color: var(--ink-2); }

/* iPhone section */
.iphone-grid { display: grid; gap: 20px; }
@media (min-width: 900px) { .iphone-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); align-items: center; } }
.iphone-status { font-size: 16px; margin: 6px 0 10px; }
.feature-list { margin: 0 0 12px; padding-left: 1.1em; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.feature-list b { color: var(--ink); }
.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.shots figure { margin: 0; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.shots img { width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--rule-strong); background: #0E0E0E; }
.shots figcaption { font-size: 13px; color: var(--ink-2); text-align: center; }
.store-badge img { height: 48px; width: auto; display: block; }

/* index + search */
.pick-row .pr-name { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; font-weight: 600; }
.pick-row .pr-meta { font-size: 13px; }
.pick-row .pr-mg { font-family: var(--font-mono); font-size: 14px; }
.pick-group { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-2); }
.sheet-head h2 { font-size: 1.05rem; text-transform: none; letter-spacing: 0; }
.index-table { font-size: 14px; }
.ix-brand { font-size: 13px; }
.index-table td.num { font-family: var(--font-mono); }
.mini-table { font-size: 14px; }
.values summary { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; min-height: 44px; display: flex; align-items: center; }
.loading-row { font-size: 12px; }
.footer-nav a { font-size: 12px; min-height: 44px; display: inline-flex; align-items: center; }
.site-footer { font-size: 14px; }
.toast { font-size: 15px; }
.info-rows li span:last-child { font-size: 15px; }
.info-rows li { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 15px; }
.steps p { font-size: 15px; }
.research-list li { font-size: 15px; }
.chart-legend { font-size: 12px; }
.h-day, .h-rate { font-size: 12px; }
/* targets and sizes found by the audit */
.time-field > span, .field > span { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.index-table td.num { font-size: 13px !important; }
.index-table th button { min-height: 44px; }
.index-table .add-mini { width: 44px; height: 44px; }
.skip { min-height: 44px; display: inline-flex; align-items: center; }
.brand { min-height: 44px; }
.c-bedhandle { min-width: 44px; }
.footer-nav a { min-width: 44px; justify-content: center; }
#pick-count { margin: 0; }