/* MBS Building Supplies brand theme. Colour tokens come from the MBS App Brand Guide;
   components use tokens only, never hex values. */
:root {
  /* Brand */
  --brand-orange: #F07D2D;
  --brand-black:  #181617;
  --brand-white:  #FFFFFF;

  /* Surfaces */
  --color-bg:            #FAF9F7;
  --color-surface:       #FFFFFF;
  --color-surface-2:     #F3F1EE;
  --color-border:        #E4E0DA;
  --color-border-strong: #C9C3BA;

  /* Text */
  --color-text:       #181617;
  --color-text-muted: #5C5852;
  --color-text-on-primary: #181617;

  /* Primary (orange) */
  --color-primary:       #F07D2D;
  --color-primary-hover: #D9661A;
  --color-primary-text:  #A84C14;
  --color-primary-soft:  #FEF1E8;

  /* Header */
  --color-header-bg:     #181617;
  --color-header-text:   #FFFFFF;
  --color-header-muted:  #C9C3BA;
  --color-header-accent: #F07D2D;

  /* Table header */
  --color-thead-bg:   #181617;
  --color-thead-text: #FFFFFF;

  /* Status */
  --color-success: #1E7B34;  --color-success-soft: #E8F5EC;
  --color-danger:  #C62828;  --color-danger-soft:  #FDECEC;
  --color-on-danger: #FFFFFF;
  --color-info:    #5C5852;  --color-info-soft:    #F3F1EE;

  --focus-ring: 0 0 0 3px #181617, 0 0 0 5px #F07D2D;
  --backdrop: rgb(24 22 23 / .7);

  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Barlow Condensed", "Barlow", system-ui, sans-serif;
  --radius: 6px;
  --radius-card: 10px;
  /* Room for Netlify's floating badge at the bottom of the screen, so it never covers buttons. */
  --badge-space: 76px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0F0E0E; --color-surface: #1C1A1A; --color-surface-2: #262323;
    --color-border: #3A3634; --color-border-strong: #57524E;
    --color-text: #F2EFEA; --color-text-muted: #A8A39B; --color-text-on-primary: #181617;
    --color-primary: #F07D2D; --color-primary-hover: #F59551; --color-primary-text: #F07D2D; --color-primary-soft: #2B1B10;
    --color-header-bg: #000000; --color-header-text: #F2EFEA; --color-header-muted: #A8A39B;
    --color-thead-bg: #262323; --color-thead-text: #F2EFEA;
    --color-success: #4ADE80; --color-success-soft: #0F2A17;
    --color-danger: #F87171; --color-danger-soft: #2E1212; --color-on-danger: #181617;
    --color-info: #A8A39B; --color-info-soft: #262323;
    --focus-ring: 0 0 0 3px #0F0E0E, 0 0 0 5px #F07D2D;
    --backdrop: rgb(0 0 0 / .75);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --color-bg: #0F0E0E; --color-surface: #1C1A1A; --color-surface-2: #262323;
  --color-border: #3A3634; --color-border-strong: #57524E;
  --color-text: #F2EFEA; --color-text-muted: #A8A39B; --color-text-on-primary: #181617;
  --color-primary: #F07D2D; --color-primary-hover: #F59551; --color-primary-text: #F07D2D; --color-primary-soft: #2B1B10;
  --color-header-bg: #000000; --color-header-text: #F2EFEA; --color-header-muted: #A8A39B;
  --color-thead-bg: #262323; --color-thead-text: #F2EFEA;
  --color-success: #4ADE80; --color-success-soft: #0F2A17;
  --color-danger: #F87171; --color-danger-soft: #2E1212; --color-on-danger: #181617;
  --color-info: #A8A39B; --color-info-soft: #262323;
  --focus-ring: 0 0 0 3px #0F0E0E, 0 0 0 5px #F07D2D;
  --backdrop: rgb(0 0 0 / .75);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font: 400 16px/1.5 var(--font-body); }
img { max-width: 100%; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- Header ---------- */
.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--color-header-bg); color: var(--color-header-text);
  border-bottom: 3px solid var(--color-header-accent);
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.top-inner { max-width: 1200px; margin: 0 auto; padding-block: 10px 0; }
.brand { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 10px; }
.brand-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo-plate { background: var(--brand-white); border-radius: var(--radius); padding: 3px 6px; display: flex; flex: none; }
.logo-plate img { height: 40px; width: auto; display: block; }
.brand h1 { margin: 0; font: 700 1.3rem/1.1 var(--font-display); letter-spacing: .02em; text-transform: uppercase; white-space: nowrap; }
.who { font-size: .85rem; color: var(--color-header-muted); min-width: 0; display: flex; gap: 8px; align-items: center; }
#who { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.headbtn {
  flex: none; background: none; border: 1.5px solid var(--color-header-muted); color: var(--color-header-text);
  border-radius: var(--radius); min-height: 36px; padding: 4px 10px; font: 600 .8rem var(--font-body); cursor: pointer;
}
.headbtn:hover { border-color: var(--color-header-accent); }
@media (max-width: 560px) { .brand h1 { display: none; } .logo-plate img { height: 36px; } }

.tabs { display: flex; gap: 4px; }
.tab {
  flex: 1; background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -3px;
  min-height: 48px; padding: 8px 2px; font: 700 clamp(.85rem, 3.6vw, 1rem) var(--font-display); letter-spacing: .02em; text-transform: uppercase; white-space: nowrap;
  color: var(--color-header-muted); cursor: pointer;
}
.tab[aria-selected="true"] { color: var(--color-header-accent); border-bottom-color: var(--color-header-accent); }

/* ---------- Layout ---------- */
main {
  max-width: 760px; margin: 0 auto;
  padding-block: 24px calc(48px + var(--badge-space) + env(safe-area-inset-bottom, 0px));
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.view { display: grid; gap: 16px; }
h2 { margin: 8px 0 0; font: 700 1.3rem/1.2 var(--font-display); color: var(--color-text); }
.muted { color: var(--color-text-muted); margin: 0; }
.small { font-size: .875rem; }
.notice { background: var(--color-primary-soft); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-card); padding: 12px 16px; margin: 0 0 16px; }
.install-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-card); padding: 12px 16px; margin: 0 0 16px; }
.install-bar p { margin: 0; font-weight: 600; flex: 1 1 200px; }
.install-bar .row { flex: 0 0 auto; }

/* ---------- Forms ---------- */
.stack { display: grid; gap: 16px; }
label { display: grid; gap: 4px; font-size: .9rem; font-weight: 600; color: var(--color-text); }
input, select, textarea {
  font: 400 1rem var(--font-body); color: var(--color-text); background: var(--color-surface);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius); padding: 10px 12px; min-height: 48px; width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--color-text-muted); }
textarea { resize: vertical; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fields .wide { grid-column: 1 / -1; }
@media (max-width: 480px) { .fields { grid-template-columns: 1fr; } }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font-size: .9rem; font-weight: 600; padding: 0; margin-bottom: 4px; }
.seg { display: flex; border: 1px solid var(--color-border-strong); border-radius: var(--radius); overflow: hidden; background: var(--color-surface); }
.seg label { flex: 1; display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 8px; min-height: 48px; cursor: pointer; font-weight: 700; }
.seg label + label { border-left: 1px solid var(--color-border-strong); }
.seg input { width: 20px; height: 20px; min-height: 0; accent-color: var(--brand-black); }
.seg label:has(input:checked) { background: var(--color-primary); color: var(--color-text-on-primary); }

.litres { margin-top: 12px; }
.check { display: flex; flex-direction: row; align-items: flex-start; gap: 12px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 12px 16px; cursor: pointer; font-weight: 400; }
.check input { width: 24px; height: 24px; min-height: 0; flex: none; margin: 2px 0 0; accent-color: var(--brand-black); }
.chip.salary { background: var(--color-info-soft); color: var(--color-text); border: 1px solid var(--color-border-strong); }
.chip.private { background: var(--color-text); color: var(--color-bg); }

.photo {
  display: grid; place-items: center; min-height: 160px; padding: 16px;
  border: 2px dashed var(--color-border-strong); border-radius: var(--radius-card); background: var(--color-surface);
  color: var(--color-text-muted); text-align: center; font-weight: 500; gap: 12px;
}
.photo-btns { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; width: 100%; }
.photo-btns .btn { flex: 1 1 140px; display: inline-flex; align-items: center; justify-content: center; font-size: 1rem; }
.photo img { max-height: 300px; border-radius: var(--radius); }
.photo strong { display: block; color: var(--color-text); font: 700 1.2rem var(--font-display); }

.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
.btn {
  font: 600 1rem var(--font-body); min-height: 48px; padding: 10px 18px; border-radius: var(--radius);
  border: 1.5px solid var(--color-text); background: transparent; color: var(--color-text); cursor: pointer;
}
.btn.primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-text-on-primary); }
.btn.primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn.danger { background: var(--color-danger); border-color: var(--color-danger); color: var(--color-on-danger); }
.btn.small { min-height: 40px; padding: 6px 12px; font-size: .875rem; flex: 0 0 auto; }
.btn:disabled { opacity: .4; cursor: progress; }
.textbtn { background: none; border: 0; padding: 4px 0; color: var(--color-primary-text); font: 600 .95rem var(--font-body); cursor: pointer; justify-self: start; min-height: 40px; }
.textbtn:hover { text-decoration: underline; }
.textbtn.danger { color: var(--color-danger); }

/* ---------- Sign-in ---------- */
.gate { max-width: 440px; width: 100%; margin: 4vh auto 0; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 24px; display: grid; gap: 16px; overflow: hidden; }
.gate-logo { display: block; width: 220px; max-width: 70%; margin: 0 auto; background: var(--brand-white); border-radius: var(--radius); padding: 8px 12px; }
.gate-title { margin: 0; font: 700 1.8rem/1.1 var(--font-display); text-transform: uppercase; }
.checker {
  height: 8px; margin: -24px -24px 0;
  background: repeating-conic-gradient(var(--brand-black) 0 25%, var(--brand-white) 0 50%) 0 0 / 16px 16px;
}
.row-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; }

/* ---------- Receipts list ---------- */
.filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 520px) { .filters { grid-template-columns: 1fr 1fr; } .filters > :last-child { grid-column: 1 / -1; } }
.tally { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--color-text); padding-bottom: 8px; color: var(--color-text-muted); font-weight: 500; }
.tally b { font: 700 1.8rem/1 var(--font-display); color: var(--color-text); font-variant-numeric: tabular-nums; }
.slips, .people { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.slip {
  display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 12px; align-items: start;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 12px;
}
.thumb { width: 64px; height: 64px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface-2); padding: 0; overflow: hidden; color: var(--color-text-muted); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
button.thumb { cursor: zoom-in; }
.thumb.label { display: grid; place-items: center; text-align: center; font: 600 .7rem/1.2 var(--font-body); }
.slip .what { font-weight: 600; font-size: 1.05rem; overflow-wrap: anywhere; }
.slip .meta { font-size: .875rem; color: var(--color-text-muted); font-weight: 500; }
.slip .note { font-size: .9rem; margin-top: 2px; overflow-wrap: anywhere; }
.slip .amt { font: 700 1.4rem/1.1 var(--font-display); text-align: right; font-variant-numeric: tabular-nums; }
.slip .acts { display: flex; gap: 6px; margin-top: 8px; justify-content: flex-end; flex-wrap: wrap; }
.chip { display: inline-block; font: 600 .78rem/1.4 var(--font-body); padding: 1px 8px; border-radius: 999px; background: var(--color-primary-soft); color: var(--color-primary-text); margin-right: 6px; }
.chip.fuel { background: var(--color-primary); color: var(--color-text-on-primary); }
.chip.ok { background: var(--color-success-soft); color: var(--color-success); }
.chip.off { background: var(--color-info-soft); color: var(--color-info); }
.confirm { grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; justify-content: flex-end; flex-wrap: wrap; font-weight: 600; background: var(--color-danger-soft); border-radius: var(--radius); padding: 8px; }
.empty { text-align: center; color: var(--color-text-muted); padding: 32px 16px; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-card); margin: 0; }

/* ---------- Staff links ---------- */
.person { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 16px; display: grid; gap: 10px; }
.person.me { border-left: 4px solid var(--color-primary); }
.person .head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.person .name { font-weight: 600; font-size: 1.05rem; overflow-wrap: anywhere; }
.person .link { font: .85rem ui-monospace, "SFMono-Regular", Menlo, monospace; background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 8px 10px; overflow-wrap: anywhere; user-select: all; }
.person .acts { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 10px 12px; text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { background: var(--color-thead-bg); color: var(--color-thead-text); font: 700 .95rem var(--font-display); letter-spacing: .04em; text-transform: uppercase; }
tbody tr:nth-child(even) td { background: var(--color-surface-2); }
tfoot td { font-weight: 700; border-top: 2px solid var(--color-text); }
td.zero { color: var(--color-text-muted); }

dialog { border: 0; border-radius: var(--radius-card); padding: 16px; background: var(--color-surface); color: var(--color-text); max-width: 94vw; }
dialog img { max-height: 78vh; display: block; margin: 0 auto; }
dialog::backdrop { background: var(--backdrop); }
dialog form { display: flex; justify-content: center; margin-top: 12px; }
#install-help { max-width: 380px; }
#install-help h2 { margin-top: 0; }
#install-help ol { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 8px; }

#toast {
  position: fixed; left: 50%; bottom: calc(20px + var(--badge-space) + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 160%);
  background: var(--color-text); color: var(--color-bg); border-left: 4px solid var(--color-primary);
  padding: 12px 18px; border-radius: var(--radius); font-weight: 600;
  transition: transform .2s ease; pointer-events: none; max-width: calc(100vw - 32px); text-align: center;
}
#toast.show { transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }

/* ---------- Receipt scanner (crop / flatten / clean up) ---------- */
.scan {
  position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column;
  background: var(--brand-black); color: var(--brand-white);
  padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
}
.scan-title { margin: 0; padding: 14px 16px; font: 700 1.15rem/1.2 var(--font-display); text-align: center; border-bottom: 3px solid var(--brand-orange); }
.scan-stage { flex: 1; min-height: 0; position: relative; display: flex; align-items: center; justify-content: center; padding: 8px; }
.scan-canvas { touch-action: none; display: block; position: absolute; inset: 0; }
.scan-result { max-width: 100%; max-height: 100%; object-fit: contain; background: var(--brand-white); box-shadow: 0 0 0 1px rgb(255 255 255 / .2); }
.scan-bar { display: flex; gap: 8px; flex-wrap: wrap; justify-content: space-between; align-items: center; padding: 12px 16px calc(16px + var(--badge-space)); background: var(--brand-black); }
.scan-bar .btn { min-height: 48px; flex: 1 1 auto; }
.scan-bar .btn.scan-ghost { color: var(--brand-white); border-color: rgb(255 255 255 / .5); background: transparent; }
.scan-bar .btn.primary { flex: 1 1 140px; }
.scan-modes { display: flex; flex: 1 1 100%; order: -1; border: 1.5px solid rgb(255 255 255 / .5); border-radius: var(--radius); overflow: hidden; }
.scan-modes .btn { flex: 1; border: 0; border-radius: 0; background: transparent; color: var(--brand-white); }
.scan-modes .btn[aria-pressed="true"] { background: var(--brand-orange); color: var(--brand-black); }