/* ChargeLog – mobile first, readable on a phone and on the car screen */

:root {
  color-scheme: light;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-2: #eef1ee;
  --border: #d9ded9;
  --text: #16201c;
  --text-2: #4d5853;
  --muted: #6c7772;
  --accent: #1f6f5c;
  --accent-strong: #165244;
  --accent-text: #ffffff;
  --accent-soft: #e2f1ec;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warn-soft: #fff4d6;
  --ok-soft: #e2f1ec;
  --focus: #2a78d6;
  /* chart tokens (validated categorical slots 1 & 2) */
  --chart-surface: #ffffff;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --grid: #e3e6e3;
  --radius: 14px;
  --tap: 48px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121614;
    --surface: #1b201e;
    --surface-2: #242a27;
    --border: #343c38;
    --text: #eef1ee;
    --text-2: #c2c9c5;
    --muted: #97a19c;
    --accent: #3fae90;
    --accent-strong: #5cc6a8;
    --accent-text: #08130f;
    --accent-soft: #1d3a32;
    --danger: #f2867c;
    --danger-soft: #3d1f1c;
    --warn-soft: #3a3118;
    --ok-soft: #1d3a32;
    --chart-surface: #1b201e;
    --series-1: #3987e5;
    --series-2: #d95926;
    --grid: #2c3330;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121614;
  --surface: #1b201e;
  --surface-2: #242a27;
  --border: #343c38;
  --text: #eef1ee;
  --text-2: #c2c9c5;
  --muted: #97a19c;
  --accent: #3fae90;
  --accent-strong: #5cc6a8;
  --accent-text: #08130f;
  --accent-soft: #1d3a32;
  --danger: #f2867c;
  --danger-soft: #3d1f1c;
  --warn-soft: #3a3118;
  --ok-soft: #1d3a32;
  --chart-surface: #1b201e;
  --series-1: #3987e5;
  --series-2: #d95926;
  --grid: #2c3330;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
}
body.centered { padding-bottom: 0; }

a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: .25rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* --- Layout ------------------------------------------------------------- */

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: calc(.5rem + env(safe-area-inset-top, 0px)) 1rem .5rem;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); text-decoration: none; }
.vehicle-name { color: var(--text-2); font-size: .95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.page { max-width: 760px; margin: 0 auto; padding: 1rem 1rem 1.5rem; }
/* Pages with tables use the available width on large screens */
.page.wide { max-width: 1280px; }
body.centered .page { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; max-width: 420px; }

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: space-around;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: .25rem .25rem calc(.25rem + env(safe-area-inset-bottom, 0px));
}
.tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-height: 56px; justify-content: center; padding: .25rem 0;
  color: var(--muted); text-decoration: none; font-size: .75rem; border-radius: 10px;
}
.tabbar a.active { color: var(--accent); font-weight: 600; }
.tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

@media (min-width: 900px) {
  .tabbar { top: 0; bottom: auto; left: 50%; right: auto; transform: translateX(-50%); background: none; border: 0;
    padding-top: calc(.25rem + env(safe-area-inset-top, 0px)); }
  .tabbar a { flex-direction: row; min-height: 44px; padding: 0 .8rem; font-size: .9rem; gap: .4rem; }
  .tabbar svg { width: 18px; height: 18px; }
  body { padding-bottom: 0; }
}

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.page-head h1 { margin: .25rem 0 1rem; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; margin: 0 0 1rem;
}
.card.empty, .empty { color: var(--text-2); }
.intro { color: var(--text-2); }

.notice { background: var(--ok-soft); border-radius: 10px; padding: .7rem 1rem; margin: 0 0 1rem; }
.error { background: var(--danger-soft); color: var(--danger); border-radius: 10px; padding: .7rem 1rem; }
.field-error { color: var(--danger); margin: .25rem 0 0; font-size: .9rem; }

/* --- Buttons ------------------------------------------------------------ */

button, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: var(--tap); padding: 0 1.1rem; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.primary:hover, .button.primary:hover { background: var(--accent-strong); }
button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
button.danger.armed { background: var(--danger); color: var(--surface); }
button:disabled { opacity: .6; cursor: progress; }

.big-button {
  display: flex; align-items: center; justify-content: center; gap: .75rem;
  min-height: 88px; margin: .25rem 0 1rem; border-radius: 20px;
  background: var(--accent); color: var(--accent-text);
  font-size: 1.35rem; font-weight: 700; text-decoration: none;
  box-shadow: 0 6px 18px rgba(31, 111, 92, .25);
}
.big-button svg { width: 32px; height: 32px; fill: currentColor; }
.big-button:active { transform: translateY(1px); }

.secondary-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.form-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.form-actions .primary { flex: 1 1 12rem; }
.delete-form { margin-top: 2rem; }
.logout { margin-top: 1rem; }

/* --- Forms -------------------------------------------------------------- */

label { display: block; font-weight: 600; margin: 0 0 .3rem; color: var(--text-2); font-size: .95rem; }
input, select, textarea {
  width: 100%; min-height: var(--tap); padding: .55rem .8rem;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--text); font: inherit; font-size: 1.1rem;
}
textarea { min-height: 5rem; }
input[aria-invalid="true"] { border-color: var(--danger); }
input.prefilled { background: var(--accent-soft); }
form > label + input, form > input + label { margin-top: .75rem; }
.login label { margin-top: .9rem; }
.login button { width: 100%; margin-top: 1.25rem; }
.login h1 { display: flex; align-items: center; gap: .6rem; }

.field { margin: 0 0 1rem; min-width: 0; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
@media (max-width: 360px) { .row { grid-template-columns: 1fr; } }

.with-unit { position: relative; }
.with-unit input { padding-right: 4.8rem; }
.with-unit .unit {
  position: absolute; right: .8rem; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: .9rem; pointer-events: none;
}
.known-places { margin-bottom: .5rem; }
/* Free-text note under a charge, kept on one line in tables */
.note { display: block; color: var(--muted); font-size: .85rem; font-style: italic; white-space: normal; max-width: 22rem; }
.list .note { max-width: none; }
.hint { display: block; color: var(--muted); font-size: .85rem; margin-top: .25rem; }
.hint:empty { display: none; }

.check {
  display: flex; align-items: center; gap: .75rem; padding: .6rem .8rem; margin: 0 0 1rem;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text);
}
.check input { width: 26px; height: 26px; min-height: 0; flex: none; accent-color: var(--accent); }
.check small { display: block; font-weight: 400; color: var(--muted); }

.segmented { border: 0; padding: 0; margin: 0 0 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.segmented legend { font-weight: 600; color: var(--text-2); font-size: .95rem; margin-bottom: .3rem; padding: 0; }
.segmented label { flex: 1 1 6rem; margin: 0; position: relative; }
.segmented input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: var(--tap); padding: .3rem .5rem; border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--text); font-weight: 600;
}
.segmented input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.segmented input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }

details { margin: 0 0 1rem; }
summary { cursor: pointer; font-weight: 600; color: var(--text-2); min-height: 40px; display: flex; align-items: center; }

.source-status { padding: .6rem .9rem; border-radius: 10px; background: var(--surface-2); color: var(--text-2); font-size: .95rem; }
.source-status.ok { background: var(--ok-soft); }
.source-status.partial { background: var(--warn-soft); }
.source-status.failed { background: var(--warn-soft); }

.source-config { border: 1px solid var(--border); border-radius: 12px; padding: .75rem 1rem; margin: 0 0 1rem; }
.source-config legend { font-weight: 700; padding: 0 .3rem; }
.presets .preset { border-top: 1px solid var(--border); padding: .75rem 0; display: grid; gap: .5rem; }
.presets .preset label { font-weight: 400; }

.test-result { margin-top: 1rem; padding: .75rem 1rem; border-radius: 10px; background: var(--surface-2); }
.test-result.ok { background: var(--ok-soft); }
.test-result.failed { background: var(--danger-soft); }
.test-result p { margin: 0 0 .25rem; font-weight: 600; }
.test-result ul { margin: 0; padding-left: 1.2rem; }
.test-result li.failed { color: var(--danger); }

.language-switch { margin: 1rem 0; }
.centered .language-switch { max-width: 14rem; margin: 1.5rem auto 0; }

/* --- Dashboard tiles ---------------------------------------------------- */

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin: 0 0 1rem; }
@media (min-width: 640px) { .tiles { grid-template-columns: repeat(4, 1fr); } }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .8rem .9rem; display: flex; flex-direction: column; min-width: 0;
}
.tile-label { color: var(--text-2); font-size: .85rem; font-weight: 600; }
.tile-value { font-size: 1.9rem; font-weight: 700; line-height: 1.15; margin-top: .2rem; overflow-wrap: anywhere; }
.tile-unit { color: var(--muted); font-size: .8rem; }

.list { list-style: none; margin: 0; padding: 0; }
.list li + li { border-top: 1px solid var(--border); }
.list a { display: block; padding: .6rem 0; color: var(--text); text-decoration: none; }
.list-main { display: block; }
.list-sub { display: block; color: var(--muted); font-size: .88rem; }
.more { margin: .5rem 0 0; }

.badge {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  background: var(--accent-soft); color: var(--accent-strong); border-radius: 6px; padding: .05rem .4rem; vertical-align: middle;
}

/* --- Tables ------------------------------------------------------------- */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 1rem; border-radius: 10px; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; background: var(--surface); }
table.data th, table.data td { padding: .55rem .6rem; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
table.data th { color: var(--text-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .02em; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tfoot th, table.data tfoot td { border-bottom: 0; }

.pager { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* --- Charts ------------------------------------------------------------- */

.chart-wrap { overflow-x: auto; max-width: 960px; }
svg.chart { display: block; width: 100%; min-width: 320px; height: auto; background: var(--chart-surface); }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .tick, .chart .label, .chart .value { fill: var(--text-2); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .label { font-size: 13px; fill: var(--text); }
.chart .value { font-weight: 600; fill: var(--text); }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .line.s1 { stroke: var(--series-1); }
.chart .line.s2 { stroke: var(--series-2); }
.chart .dot { stroke: var(--chart-surface); stroke-width: 2; }
.chart .s1:not(.line) { fill: var(--series-1); }
.chart .s2:not(.line) { fill: var(--series-2); }
.chart .hit-area { fill: transparent; }
.chart .hit:hover .bar, .chart .hit:hover .dot { opacity: .8; }

.legend { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; padding: 0; margin: 0 0 .5rem; font-size: .9rem; color: var(--text-2); }
.legend li { display: flex; align-items: center; gap: .4rem; }
.key { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.key.s1 { background: var(--series-1); }
.key.s2 { background: var(--series-2); }
.key.dot-key { border-radius: 50%; }
.key.line-key { height: 3px; width: 16px; border-radius: 2px; }
.caption { color: var(--muted); font-size: .85rem; margin: .4rem 0 0; }

.live-reading { margin: -.25rem 0 1rem; }
.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin: 0 0 1rem; overflow-x: auto; }
.tabs a { padding: .6rem 1rem; min-height: 44px; display: flex; align-items: center; color: var(--text-2);
  text-decoration: none; font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

.trip-list { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); }
.trip-card { display: block; color: var(--text); text-decoration: none; margin: 0; }
.trip-card:hover { border-color: var(--accent); }
.trip-name { display: block; font-weight: 700; font-size: 1.05rem; }
.trip-figures { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin-top: .5rem; color: var(--text-2); font-size: .9rem; }
.trip-figures strong { color: var(--text); font-size: 1.05rem; }
.trip-dates { color: var(--text-2); margin: -.5rem 0 1rem; }
.back { margin: 0 0 .25rem; }
.back a { text-decoration: none; font-weight: 600; }
.notice.warn { background: var(--warn-soft); }
.details { display: grid; grid-template-columns: minmax(8rem, max-content) 1fr; gap: .5rem 1rem; margin: 0; }
.details dt { color: var(--text-2); font-weight: 600; }
.details dd { margin: 0; }
@media (max-width: 480px) { .details { grid-template-columns: 1fr; } .details dd { margin-bottom: .5rem; } }
fieldset.optional { border: 1px solid var(--border); border-radius: 12px; padding: .75rem 1rem 0; margin: 0 0 1rem; }
fieldset.optional legend { font-weight: 600; color: var(--text-2); padding: 0 .3rem; }

.version { text-align: center; color: var(--muted); font-size: .8rem; }