:root {
  --bg: #f3f7fb;
  --surface: #ffffff;
  --surface-2: #e8f1f9;
  --text: #102a43;
  --muted: #5b7083;
  --accent: #0b84d8;
  --accent-strong: #0866a8;
  --accent-soft: #d6ebfa;
  --ok: #1a9a64;
  --warn: #c2410c;
  --danger: #c0392b;
  --border: #d8e3ec;
  --ring-track: #dbe8f3;
  --shadow: 0 1px 2px rgb(16 42 67 / 6%), 0 4px 16px rgb(16 42 67 / 6%);
  --radius: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1620;
    --surface: #13212e;
    --surface-2: #1a2c3c;
    --text: #e6eef5;
    --muted: #93a8bb;
    --accent: #3aa5ef;
    --accent-strong: #6cbcf4;
    --accent-soft: #163a55;
    --ok: #3ccf8e;
    --warn: #fb923c;
    --danger: #f87171;
    --border: #23384a;
    --ring-track: #1d3243;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.view {
  max-width: 520px;
  margin: 0 auto;
  padding: 16px 16px calc(96px + env(safe-area-inset-bottom));
}

h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 12px; }
h3 { font-size: 0.95rem; }

p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.stack > * + * { margin-top: 12px; }
.row { display: flex; gap: 8px; align-items: center; }
.row > .grow { flex: 1; }
.spacer { height: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}

/* ---------- botões e formulários ---------- */

button, .btn {
  font: inherit;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  min-height: 44px;
}
button:hover { background: var(--accent-strong); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
button.secondary:hover { background: var(--accent-soft); }
button.link { background: none; color: var(--accent); padding: 4px 0; min-height: 0; font-weight: 600; }
button.icon { background: none; color: var(--muted); padding: 8px; min-height: 0; border-radius: 8px; line-height: 1; }
button.icon:hover { background: var(--surface-2); color: var(--danger); }
button.block { width: 100%; }

label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--muted); margin-bottom: 4px; }

input, select {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 1px;
  border-color: var(--accent);
}

.field + .field { margin-top: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; }
.switch label { margin: 0; color: var(--text); font-size: 1rem; font-weight: 500; }
.switch input { width: 48px; height: 28px; min-height: 0; accent-color: var(--accent); }

.error { color: var(--danger); font-size: 0.9rem; min-height: 1.2em; }

/* ---------- login ---------- */

.auth { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; }
.auth .logo { width: 72px; height: 72px; margin: 0 auto 12px; display: block; }
.auth h1 { text-align: center; font-size: 2rem; }
.auth .tagline { text-align: center; margin: 4px 0 24px; }

/* ---------- hoje ---------- */

.today-head { display: flex; justify-content: space-between; align-items: baseline; margin: 4px 0 16px; }

.ring-wrap { position: relative; width: 220px; height: 220px; margin: 4px auto 8px; }
.ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--ring-track); stroke-width: 16; }
.ring-fill { fill: none; stroke: var(--accent); stroke-width: 16; stroke-linecap: round; transition: stroke-dashoffset 0.6s ease; }
.ring-fill.done { stroke: var(--ok); }
.ring-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.ring-label .pct { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.02em; }
.ring-label .amount { font-size: 0.95rem; color: var(--muted); }

.goal-note { text-align: center; font-size: 0.85rem; color: var(--muted); }
.goal-note strong { color: var(--text); }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 8px; scrollbar-width: thin; }
.chip {
  flex: none;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 500;
  min-height: 40px;
}
.chip:hover { background: var(--accent-soft); }
.chip[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }

.containers { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.container-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 8px;
  border-radius: 14px;
  min-height: 84px;
}
.container-btn:hover { background: var(--accent); color: #fff; }
.container-btn .ml { font-size: 1.15rem; font-weight: 800; }
.container-btn .name { font-size: 0.8rem; font-weight: 500; }

.custom-add { margin-top: 12px; }

.entries { list-style: none; padding: 0; margin: 0; }
.entries li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); }
.entries li:first-child { border-top: 0; }
.entries .emoji { font-size: 1.4rem; width: 32px; text-align: center; }
.entries .what { flex: 1; }
.entries .time { color: var(--muted); font-size: 0.85rem; font-variant-numeric: tabular-nums; }

.notice { background: var(--accent-soft); border-radius: 12px; padding: 12px; font-size: 0.9rem; }
.notice a { color: var(--accent-strong); font-weight: 600; }

/* ---------- histórico ---------- */

.segmented { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--surface-2); padding: 4px; border-radius: 12px; gap: 4px; margin-bottom: 16px; }
.segmented button { background: none; color: var(--text); min-height: 38px; padding: 6px; font-weight: 600; }
.segmented button[aria-pressed="true"] { background: var(--surface); box-shadow: var(--shadow); color: var(--accent-strong); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 12px; text-align: center; }
.stat .v { font-size: 1.3rem; font-weight: 800; }
.stat .k { font-size: 0.75rem; color: var(--muted); }

.chart svg { width: 100%; height: auto; display: block; }
.chart .bar { fill: var(--accent); }
.chart .bar.met { fill: var(--ok); }
.chart .goal-tick { stroke: var(--text); stroke-width: 2; opacity: 0.55; }
.chart .axis { fill: var(--muted); font-size: 10px; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.legend { display: flex; gap: 16px; font-size: 0.8rem; color: var(--muted); margin-top: 8px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

.breakdown { list-style: none; margin: 0; padding: 0; }
.breakdown li { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; padding: 6px 0; }
.breakdown .track { grid-column: 2 / 4; height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.breakdown .track span { display: block; height: 100%; background: var(--accent); }

/* ---------- ajustes ---------- */

.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }
.list .grow { flex: 1; }

.geo-results { list-style: none; margin: 8px 0 0; padding: 0; }
.geo-results button { width: 100%; text-align: left; background: var(--surface-2); color: var(--text); margin-top: 6px; font-weight: 500; }

/* ---------- análise das bebidas ---------- */

.stats.mini { margin-bottom: 12px; }
.stats.mini .stat { padding: 10px 6px; background: var(--surface-2); border-color: transparent; }
.stats.mini .v { font-size: 1.05rem; }
.stats.mini .v small { font-size: 0.75rem; font-weight: 600; color: var(--muted); }
.stat.warn .v { color: var(--warn); }
.stat.alert .v { color: var(--danger); }

.insights { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.insight { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--surface-2); border-left: 4px solid var(--accent); }
.insight .ic { font-size: 1.3rem; line-height: 1.3; }
.insight p { margin: 2px 0 0; font-size: 0.9rem; color: var(--muted); }
.insight.alert { border-left-color: var(--danger); }
.insight.alert strong { color: var(--danger); }
.insight.warn { border-left-color: var(--warn); }
.insight.good { border-left-color: var(--ok); }

.bev-list li { display: block; }
.bev-main { align-items: center; }
.bev-extra { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 6px 0 2px 26px; }
.bev-extra label { display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 500; }
.bev-extra select, .bev-extra input { width: auto; min-height: 34px; padding: 4px 8px; font-size: 0.85rem; }
.bev-extra input { width: 64px; }
.bev-extra .unit { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); }

/* ---------- guia ---------- */

.guide-link { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.guide-link > span:first-child { font-size: 1.6rem; }
.guide-link > span:nth-child(2) { flex: 1; }
.guide-link > span:last-child { font-size: 1.5rem; color: var(--muted); }
.goal-note a, .card .small a { color: var(--accent-strong); font-weight: 600; }

.guide-sec { padding: 0; }
.guide-sec summary { cursor: pointer; padding: 16px; font-weight: 700; font-size: 1.02rem; list-style: none; display: flex; gap: 10px; align-items: center; }
.guide-sec summary::-webkit-details-marker { display: none; }
.guide-sec summary::after { content: "›"; margin-left: auto; color: var(--muted); font-size: 1.4rem; transition: transform 0.15s; }
.guide-sec[open] summary::after { transform: rotate(90deg); }
.guide-body { padding: 0 16px 16px; line-height: 1.5; }
.guide-body p, .guide-body ul, .guide-body ol { margin: 0 0 10px; }
.guide-body ul, .guide-body ol { padding-left: 20px; }
.guide-body li + li { margin-top: 6px; }
.guide-body h3 { font-size: 0.98rem; margin: 14px 0 6px; }
.guide-body h3:first-child { margin-top: 0; }
.guide-table { width: 100%; border-collapse: collapse; margin-bottom: 10px; font-size: 0.92rem; }
.guide-table th { text-align: left; vertical-align: top; padding: 6px 10px 6px 0; color: var(--muted); white-space: nowrap; }
.guide-table td { padding: 6px 0; }
.guide-table tr + tr { border-top: 1px solid var(--border); }
.legend-insights { margin-bottom: 10px; }
.legend-insights p { margin: 0; }
.drink { padding: 12px 0; border-top: 1px solid var(--border); }
.drink:first-child { border-top: 0; padding-top: 0; }
.drink p { margin: 0 0 6px; font-size: 0.92rem; }
.tag { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; margin-right: 4px; background: var(--surface-2); }
.tag.good { color: var(--ok); }
.tag.warn { color: var(--warn); }
.tag.info { color: var(--accent-strong); }
.urine { display: flex; border-radius: 10px; overflow: hidden; margin-bottom: 8px; }
.urine span { flex: 1; text-align: center; font-size: 0.7rem; font-weight: 600; padding: 8px 2px; color: #3b3b1f; }

/* ---------- usuários ---------- */

button.danger { background: none; color: var(--danger); border-color: var(--border); }
button.danger:hover { background: var(--surface-2); }
button.small { min-height: 36px; padding: 6px 10px; font-size: 0.85rem; }

.users { list-style: none; margin: 0; padding: 0; }
.users li { display: block; padding: 12px 0; border-top: 1px solid var(--border); }
.users li:first-child { border-top: 0; }
.users .who { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.users .email { font-weight: 600; overflow-wrap: anywhere; }
.users .actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.users li.off .email { color: var(--muted); text-decoration: line-through; }

.badge { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.badge.admin { background: var(--accent-soft); color: var(--accent-strong); }
.badge.off { color: var(--danger); }

.temp-pass { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.temp-pass code { flex: 1; font-size: 1.15rem; font-weight: 700; letter-spacing: 0.04em; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; overflow-wrap: anywhere; }

/* ---------- navegação e avisos ---------- */

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 10;
}
.tabs a {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 0 10px;
  color: var(--muted); text-decoration: none; font-size: 0.75rem; font-weight: 600;
}
.tabs a span { font-size: 1.3rem; }
.tabs a[aria-current="page"] { color: var(--accent); }
.tabs a[hidden] { display: none; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(84px + env(safe-area-inset-bottom));
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: 12px;
  display: flex; gap: 12px; align-items: center;
  max-width: calc(100% - 32px); z-index: 20;
}
.toast button { background: none; color: var(--accent-soft); padding: 0; min-height: 0; text-decoration: underline; }
@media (prefers-color-scheme: dark) { .toast button { color: var(--accent); } }

.banner {
  position: sticky; top: 0; z-index: 15;
  background: var(--accent); color: #fff;
  padding: 12px 16px; text-align: center; font-weight: 600;
  display: flex; gap: 12px; justify-content: center; align-items: center;
}
.banner button { background: #fff; color: var(--accent-strong); min-height: 36px; padding: 6px 12px; }

@media (prefers-reduced-motion: reduce) {
  .ring-fill { transition: none; }
}