/* Life Fitness — tokeny pro světlý i tmavý režim, mobil nejdřív. */
:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1d2733;
  --muted: #66727e;
  --line: #e1e6eb;
  --accent: #1976d2;
  --accent-ink: #ffffff;
  --good: #2e7d32;
  --bad: #c62828;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .07);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1318;
    --card: #161d24;
    --ink: #e4e8ec;
    --muted: #93a0ad;
    --line: #26313c;
    --accent: #4f9bf0;
    --accent-ink: #0b1220;
    --good: #66bb6a;
    --bad: #ef5350;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.45; }
a { color: var(--accent); text-decoration: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.good { color: var(--good); }
.bad { color: var(--bad); }
.error { color: var(--bad); }

/* Hlavička */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--ink); white-space: nowrap; }
.nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; min-width: 0; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
@media (max-width: 720px) {
  .brand { display: none; }
  /* nav se posouvá do strany — zeslabený pravý okraj naznačí další položky */
  .nav { -webkit-mask-image: linear-gradient(to right, #000 85%, transparent); mask-image: linear-gradient(to right, #000 85%, transparent); }
}
.nav a { padding: 6px 12px; border-radius: 999px; color: var(--muted); white-space: nowrap; }
.nav a.active { background: var(--accent); color: var(--accent-ink); }
.logout button { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; }

main { max-width: 1180px; margin: 0 auto; padding: 16px; }

/* Ranní přehled */
.hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.hero p { margin: 0; }
.daynav { display: flex; gap: 6px; }
.daynav a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--ink); }
/* min(…, 100%) a min-width: 0 — jinak by Plotly (při prvním vykreslení 700 px) roztáhl sloupec přes displej */
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); }
.card { min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.card h3 { margin: 0 0 6px; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.big { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-size: 2.2rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.unit { font-size: .95rem; font-weight: 500; color: var(--muted); margin-left: -4px; }
.pill { display: inline-block; align-self: center; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; color: #fff; line-height: 1.6; }
.facts { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 3px; font-size: .9rem; }
.facts li { display: flex; justify-content: space-between; gap: 10px; }
.facts li span:first-child { color: var(--muted); }
.facts li span:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.spark { height: 64px; margin-top: 10px; width: 100%; overflow: hidden; }

/* Historie */
.filters {
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 12px 0;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; font-size: .88rem;
}
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.seg label { position: relative; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); cursor: pointer; color: var(--muted); user-select: none; }
.seg input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.seg label:has(input:checked) { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.filters select, .filters input[type=date] {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px;
}
.filters .range { margin-left: auto; }
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); margin-bottom: 12px; }
.kpi { min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 14px; }
.kpi-label { color: var(--muted); font-size: .85rem; }
.kpi-value { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.chart-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px; margin-bottom: 12px; }
/* výšku určuje layout figury (Plotly), CSS jen drží místo do vykreslení */
.chart { width: 100%; min-height: 380px; overflow: hidden; }
.htmx-request.filters { opacity: .6; transition: opacity .2s; }

@media (max-width: 720px) {
  main { padding: 12px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .filters .range { margin-left: 0; }
}

/* Přihlášení */
.login { max-width: 380px; margin: 12vh auto; display: grid; gap: 10px; }
.btn {
  display: flex; justify-content: center; align-items: center; padding: 10px 14px; border-radius: 10px; width: 100%;
  background: var(--accent); color: var(--accent-ink); border: 0; font: inherit; font-weight: 600; cursor: pointer;
}
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.field { width: 100%; padding: 9px 10px; margin: 0 0 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; }

/* Stránky historie: mřížky, nadpisy sekcí, KPI s deltou, nápověda */
section { margin-top: 22px; }
section > h2 { margin: 0 0 10px; }
.page-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-focus { display: grid; gap: 12px; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.grid-readiness { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.kpis-3 { grid-template-columns: repeat(3, 1fr); }
.kpis-5 { grid-template-columns: repeat(5, 1fr); }
.kpi-delta { font-size: .85rem; font-weight: 600; margin-top: 2px; }
.kpi-delta.good { color: var(--good); }
.kpi-delta.bad { color: var(--bad); }
.kpi-delta.neutral { color: var(--muted); }
.kpi-note { font-size: .85rem; margin-top: 2px; color: var(--muted); }
.help { position: relative; margin-left: 6px; color: var(--muted); cursor: help; font-size: .85rem; outline: none; }
.help .tip {
  display: none; position: absolute; z-index: 20; left: 50%; top: 1.6em; transform: translateX(-50%);
  width: min(320px, 80vw); padding: 10px 12px; border-radius: 10px; background: var(--card); color: var(--ink);
  border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(0, 0, 0, .18); white-space: pre-line;
  font-size: .82rem; font-weight: 400; line-height: 1.45; text-transform: none; letter-spacing: 0;
}
.help:hover .tip, .help:focus .tip, .help:focus-within .tip { display: block; }
.chart-title { margin: 6px 8px 0; font-size: 1rem; font-weight: 600; }
.caption { color: var(--muted); font-size: .82rem; margin: 6px 8px 4px; }
.caption.center { text-align: center; }
.chart-status { min-height: 180px; }
.chart-240 { min-height: 240px; }
.chart-300 { min-height: 300px; }
.chart-gauge { min-height: 260px; }
.chart-bullet { min-height: 120px; }
.scorecard { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(0, 3.5fr); gap: 10px; align-items: center; margin-bottom: 12px; }
.focus-card .big { font-size: 1.4rem; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; font-variant-numeric: tabular-nums; }
.table th, .table td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.table th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--card); }
.table td.num, .table th.num { text-align: right; }
.table tbody tr:last-child td { border-bottom: 0; }

/* Metriky */
.prose { display: grid; gap: 12px; margin-top: 12px; }
.prose .card h2 { margin-bottom: 8px; }
.prose ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.prose p { margin: 0 0 8px; }
.legend { list-style: none; padding-left: 0 !important; }
.chip { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-focus, .grid-readiness { grid-template-columns: minmax(0, 1fr); }
  .kpis-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .kpis-3 { grid-template-columns: repeat(2, 1fr); }
  .scorecard { grid-template-columns: minmax(0, 1fr); }
}

/* Souhlas s připojením Clauda (OAuth) */
.consent { max-width: 460px; margin: 10vh auto; display: grid; gap: 8px; }
.consent h3 { margin-top: 6px; }
.consent-tools li span:last-child { text-align: right; }
.consent-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; }

/* Jídlo a pití */
.meals { display: grid; gap: 10px; margin-bottom: 12px; }
.meal { display: grid; gap: 4px; }
.meal-head { display: flex; align-items: baseline; gap: 10px; }
.meal-time { color: var(--muted); font-variant-numeric: tabular-nums; }
.meal-title { font-weight: 600; flex: 1; min-width: 0; }
.meal-kcal { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.meal-macros { font-size: .88rem; }
.meal-actions { display: flex; gap: 14px; align-items: center; font-size: .88rem; }
.meal-actions form, .entries form { margin: 0; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; }
.link.danger { color: var(--bad); }
.meal-edit { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 10px; }
.meal-edit label { display: grid; gap: 2px; font-size: .82rem; color: var(--muted); }
.meal-edit .field { margin: 0; }
.meal-edit .wide { grid-column: 1 / -1; }
.meal-edit .meal-actions .btn { width: auto; }
@media (min-width: 721px) { .meal-edit { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.error-card { margin-bottom: 12px; border-color: var(--bad); }
.cards + .chart-card { margin-top: 12px; }
.progress { height: 10px; border-radius: 999px; background: var(--line); overflow: hidden; margin-top: 10px; }
.progress span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.entries { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: .92rem; }
.entries li { display: grid; grid-template-columns: 3.2em 1fr auto auto; gap: 10px; align-items: center; }
.entries li.muted { display: block; }