/* TankBuddy — Liquid Glass thema. */
:root {
  --text: #14181f;
  --text-2: #4a5160;
  --muted: #8a91a0;
  --accent: #1f6feb;
  --accent-2: #185fa5;
  --green: 34 155 76;
  --red: 214 52 52;
  --grey: 120 128 140;
  --radius: 22px;
  --radius-sm: 14px;
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-brd: rgba(255, 255, 255, 0.65);
  --glass-shadow: 0 10px 30px rgba(20, 30, 50, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --field-bg: rgba(255, 255, 255, 0.6);
  --page-1: #eaf0fb;
  --page-2: #f6f1ea;
  --on-color: #ffffff;
  --font-sans: -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f4f8;
    --text-2: #b7bece;
    --muted: #7d8494;
    --glass-bg: rgba(40, 46, 58, 0.55);
    --glass-brd: rgba(255, 255, 255, 0.14);
    --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.14);
    --field-bg: rgba(255, 255, 255, 0.08);
    --page-1: #0f141d;
    --page-2: #171a22;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* Achtergrond op de html-canvas zodat hij ook achter de (doorschijnende)
   statusbalk en tijdens overscroll doorloopt — geen witte strook meer. */
html { background: linear-gradient(160deg, var(--page-1), var(--page-2)); }

body {
  font-family: var(--font-sans);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  background: linear-gradient(160deg, var(--page-1), var(--page-2));
  min-height: 100vh;
  overscroll-behavior-y: contain;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
}

/* Zachte gekleurde vlekken achter het glas (geven de blur iets om te tonen). */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg-orbs::before,
.bg-orbs::after {
  content: "";
  position: absolute;
  width: 55vmax;
  height: 55vmax;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}
.bg-orbs::before { background: #4f9bff; top: -18vmax; left: -12vmax; }
.bg-orbs::after { background: #ffcf7a; bottom: -20vmax; right: -14vmax; }
@media (prefers-color-scheme: dark) {
  .bg-orbs::before { opacity: 0.28; }
  .bg-orbs::after { opacity: 0.2; }
}

#app { max-width: 540px; margin: 0 auto; padding: 0 14px calc(96px + env(safe-area-inset-bottom)); }
.screen { display: none; }
.screen.active { display: block; }

/* ── Glas ── */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-shadow);
}

.icon { width: 1em; height: 1em; flex-shrink: 0; stroke: currentColor; fill: none; display: inline-block; vertical-align: -0.125em; }

/* ── Header (alleen nog op Settings) ── */
.app-hdr {
  position: sticky;
  top: calc(env(safe-area-inset-top));
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  margin: 12px 0 14px;
  border-radius: var(--radius);
}
.app-hdr h1 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }

/* Notitie bovenaan Instellingen. */
.personal-note { text-align: center; font-size: 11.5px; color: var(--muted); margin: -4px 4px 10px; }

/* Home heeft geen header; content begint onder de zwevende actie-rij. */
#s-home { padding-top: calc(54px); }

/* Zwevende actie-rij rechtsboven: statusmelding + Ververs. Blijft in beeld. */
.top-actions {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 10px);
  right: 16px;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 8px;
}
/* Doorschijnende liquid-glass Ververs-knop. */
.btn-ref-float {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-brd);
  color: var(--text);
  box-shadow: var(--glass-shadow);
}
/* Korte statusmelding naast Ververs; verschijnt en verdwijnt weer. */
.ref-status {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  padding: 0;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 32px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid transparent;
  transition: max-width 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
}
.ref-status.show { max-width: 220px; opacity: 1; padding: 0 12px; }
.ref-status.ok { color: rgb(var(--green)); border-color: rgb(var(--green) / 0.35); }
.ref-status.err { color: rgb(var(--red)); border-color: rgb(var(--red) / 0.35); }

/* Pull-to-refresh indicator (bovenaan, verschijnt bij naar beneden trekken). */
#ptr {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 4px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 14;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-2);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-shadow);
  opacity: 0;
  pointer-events: none;
}
#ptr .icon { width: 20px; height: 20px; }

/* Categorie-kopje tussen de kaarten. */
.cat-header {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 16px 4px 2px;
}
.cat-header:first-child { margin-top: 0; }

/* ── Fuel tabs ── */
.fuel-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.ftab {
  padding: 9px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
}
.ftab.on { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(31, 111, 235, 0.4); }

/* Brandstof-indicator op Home (alleen-lezen, links naar Instellingen). */
#fuel-indicator { margin-bottom: 12px; display: flex; }
.fuel-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text-2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
.fuel-pill-sub { color: var(--muted); font-weight: 500; }

/* Brandstofkeuze in Instellingen. */
.fuel-select { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 12px; }
/* Landkeuze in het toevoeg-vak. */
.country-select { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 10px; }
.sec-sub { font-size: 12px; color: var(--muted); margin-bottom: 7px; }

/* ── Cards ── */
.cards { display: flex; flex-direction: column; gap: 12px; }
.card {
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.card::after {
  /* subtiele glans bovenaan */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 40%;
  background: linear-gradient(rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0));
  pointer-events: none;
}
/* Kleurvarianten t.o.v. hoofdstation */
.card.main { background: rgb(var(--grey) / 0.28); }
.card.na { background: var(--glass-bg); }
.card.cheap {
  background: linear-gradient(155deg, rgb(var(--green) / 0.96), rgb(var(--green) / 0.82));
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--on-color);
}
.card.exp {
  background: linear-gradient(155deg, rgb(var(--red) / 0.96), rgb(var(--red) / 0.82));
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--on-color);
}
.card.cheap .val-delta, .card.exp .val-delta,
.card.cheap .val-unit, .card.exp .val-unit,
.card.cheap .card-brand, .card.exp .card-brand { opacity: 0.9; }

.card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.brand-tile {
  position: relative;
  overflow: hidden;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.9);
  color: #1b2230;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 2px 6px rgba(0, 0, 0, 0.12);
}
/* Merklogo overlapt de initialen; bij ontbrekend bestand wordt de <img>
   verwijderd (onerror) en blijven de initialen zichtbaar. */
.brand-logo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #fff;
  border-radius: inherit;
}
.card-titles { min-width: 0; }
.card-name { font-size: 16px; font-weight: 700; line-height: 1.2; }
.card-brand { font-size: 12px; opacity: 0.72; margin-top: 1px; }
.card-tag { display: flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; margin-top: 3px; }
.main-tag { opacity: 0.85; }
.card-tag.err { color: #fff; opacity: 0.9; }

/* Waardenraster: waarde | delta | eenheid */
.vals { display: grid; gap: 7px; }
.val-row { display: grid; grid-template-columns: 5.4em 4.6em auto; align-items: baseline; gap: 10px; }
.val { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; font-size: 16px; }
.val-liter { font-size: 24px; font-weight: 800; letter-spacing: -0.01em; }
.val-liter sup { font-size: 0.5em; font-weight: 700; top: -0.7em; }
.val-delta { text-align: right; font-size: 12.5px; font-weight: 600; opacity: 0.85; font-variant-numeric: tabular-nums; }
.val-unit { font-size: 12.5px; opacity: 0.7; }
.muted { opacity: 0.5; }

.ts { text-align: center; font-size: 11px; color: var(--muted); padding: 12px 0 0; }

.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--text-2); border-radius: var(--radius); }
.empty-state .icon { width: 30px; height: 30px; color: var(--muted); }
.empty-state p { font-size: 14px; margin: 0.75rem 0 1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg);
  color: var(--text);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn:hover { filter: brightness(1.03); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-acc { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(31, 111, 235, 0.35); }
.btn-ok { background: rgb(var(--green)); border-color: rgb(var(--green)); color: #fff; }
.btn-full { width: 100%; padding: 11px; }

/* ── Settings ── */
.sec { border-radius: var(--radius); padding: 15px 16px; margin-bottom: 12px; }
.sec-title { font-size: 14px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 7px; }
.sec-title .count { margin-left: auto; font-size: 12px; font-weight: 600; color: var(--muted); }
.sec-lbl { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.hint a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.field-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 0; }
.field-row label { font-size: 14px; color: var(--text-2); }
.field-unit { display: flex; align-items: center; gap: 7px; }
.field-unit span { font-size: 12px; color: var(--muted); min-width: 46px; }
.field-unit input { width: 84px; text-align: right; margin: 0; }

input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-brd);
  background: var(--field-bg);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-sans);
  margin-bottom: 8px;
  outline: none;
}
input:focus { border-color: var(--accent); }
input[type="range"] { width: 100%; accent-color: var(--accent); margin: 4px 0; }
.mono { font-family: var(--font-mono); }

.sync-status { display: flex; align-items: center; gap: 6px; font-size: 12px; margin-top: 8px; }
.sync-status.ok { color: rgb(var(--green)); }
.sync-status.err { color: rgb(var(--red)); }

/* Stationslijst in Settings */
.st-list { display: flex; flex-direction: column; gap: 8px; }
.st-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  border: 1px solid var(--glass-brd);
}
.st-row.off { opacity: 0.55; }
.st-check { background: none; border: none; cursor: pointer; color: var(--muted); padding: 2px; display: flex; }
.st-check.on { color: rgb(var(--green)); }
.st-star { background: none; border: none; cursor: pointer; color: var(--muted); padding: 2px; display: flex; }
.st-star.on { color: #f0a500; }
.st-info { min-width: 0; flex: 1; }
.st-name-edit {
  width: 100%;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 3px 6px;
  margin: 0 0 0 -6px;
  font-family: var(--font-sans);
  outline: none;
}
.st-name-edit:hover { border-color: var(--glass-brd); }
.st-name-edit:focus { border-color: var(--accent); background: var(--field-bg); }
.st-brand { font-size: 11px; color: var(--muted); padding-left: 0; margin-top: 1px; }
.st-del { background: none; border: none; cursor: pointer; color: var(--muted); padding: 2px; display: flex; }
.st-del:hover { color: rgb(var(--red)); }
.st-meta { display: flex; align-items: center; gap: 8px; margin-top: 3px; flex-wrap: wrap; }
.st-cat {
  font-size: 11px;
  color: var(--text-2);
  background: var(--field-bg);
  border: 1px solid var(--glass-brd);
  border-radius: 8px;
  padding: 2px 6px;
  font-family: var(--font-sans);
  max-width: 170px;
}

/* Categorieën-beheer */
.cat-list { display: flex; flex-direction: column; gap: 8px; }
.cat-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  border: 1px solid var(--glass-brd);
}
.cat-row .st-name-edit { flex: 1; }
.st-mini { background: none; border: none; cursor: pointer; color: var(--muted); padding: 2px; display: flex; }
.st-mini:disabled { opacity: 0.3; cursor: default; }
.st-mini:hover:not(:disabled) { color: var(--accent); }

.add-box { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--glass-brd); }
.range-row { display: flex; justify-content: space-between; align-items: center; }
.rl { font-size: 13px; color: var(--text-2); }
.rv { font-size: 13px; font-weight: 600; color: var(--accent); }
.res-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 10px; }
.res-list { max-height: 220px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.res-item { padding: 9px 12px; border-radius: var(--radius-sm); border: 1px solid var(--glass-brd); background: var(--field-bg); cursor: pointer; }
.res-item.sel { background: rgba(31, 111, 235, 0.16); border-color: var(--accent); }
.res-item.saved-item { opacity: 0.5; cursor: default; }
.ri-name { font-size: 13px; font-weight: 600; }
.ri-sub { font-size: 11px; color: var(--muted); }
.ri-saved { font-size: 11px; color: rgb(var(--green)); display: flex; align-items: center; gap: 4px; margin-top: 2px; }
.errbox { background: rgb(var(--red) / 0.14); border: 1px solid rgb(var(--red) / 0.3); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 12px; color: rgb(var(--red)); margin-top: 10px; line-height: 1.5; }

/* ── Tabbar ── */
#tabbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 20;
  display: flex;
  gap: 6px;
  padding: 6px;
  border-radius: 22px;
  width: min(280px, calc(100% - 40px));
}
.tabbtn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  border: none;
  background: none;
  border-radius: 16px;
  cursor: pointer;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}
.tabbtn .icon { width: 22px; height: 22px; }
.tabbtn.on { color: var(--accent); background: rgba(31, 111, 235, 0.14); }

@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }