/* fraktura — one stylesheet, no build step. */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --ink: #1d1c1a;
  --muted: #6e6b65;
  --line: #e4e1da;
  --accent: #1f5f4a;
  --accent-ink: #ffffff;
  --accent-soft: #e3efe9;
  --warn: #9a5b00;
  --warn-soft: #fbefd9;
  --danger: #a3261d;
  --danger-soft: #f8e1de;
  --info-soft: #e5edf7;
  --bar-prev: #cfcac0;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 1px rgba(0, 0, 0, .03);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --ink: #ecebe7;
    --muted: #a09d96;
    --line: #34332f;
    --accent: #5fbf9b;
    --accent-ink: #0d1f18;
    --accent-soft: #1d3329;
    --warn: #e5a54a;
    --warn-soft: #3a2b14;
    --danger: #ef7d73;
    --danger-soft: #3c1c19;
    --info-soft: #1d2939;
    --bar-prev: #4a4842;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); font-feature-settings: "tnum" 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; font-weight: 650; margin: 0; letter-spacing: -.01em; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
h2 { font-size: .8rem; font-weight: 600; margin: 0 0 .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; }
code { font-size: .9em; }
.muted { color: var(--muted); }
.small { font-size: .85em; }
.pre { white-space: pre-line; }
.r { text-align: right; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.danger { color: var(--danger); }
.up { color: var(--accent); }
.down { color: var(--danger); }
.strike { text-decoration: line-through; color: var(--muted); }

/* layout */
.top { display: flex; align-items: center; gap: 1.5rem; padding: .7rem 1.5rem; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 750; font-size: 1.15rem; color: var(--ink); letter-spacing: -.02em; }
.brand::after { content: "."; color: var(--accent); }
.brand.big { font-size: 2rem; text-align: center; margin-bottom: 1.5rem; }
.top nav { display: flex; gap: .2rem; flex: 1; }
.top nav a { padding: .4rem .75rem; border-radius: 8px; color: var(--muted); font-weight: 500; }
.top nav a:hover { background: var(--bg); text-decoration: none; color: var(--ink); }
.top nav a.on { color: var(--ink); background: var(--bg); }
.top-actions { display: flex; gap: .5rem; align-items: center; }
.top-actions form { margin: 0; }
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
main.narrow { max-width: 380px; padding-top: 12vh; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.actions form { margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.grid2 > .card { margin-bottom: 0; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.card.flush { padding: 0; overflow-x: auto; }
.card.empty { text-align: center; color: var(--muted); padding: 2.5rem; }
.card.callout { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; border-color: var(--accent); background: var(--accent-soft); }
.card.callout > div { flex: 1; min-width: 220px; }
.stack { display: flex; flex-direction: column; gap: .8rem; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: .3rem; padding: .45rem .9rem; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 550; font-size: .92rem; cursor: pointer; white-space: nowrap; line-height: 1.3; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--ink); background: var(--bg); }
.btn.danger { color: var(--danger); }
.btn.small { padding: .15rem .5rem; font-size: .85rem; }
details.more { position: relative; }
details.more summary { list-style: none; }
details.more summary::-webkit-details-marker { display: none; }
details.more .menu { position: absolute; right: 0; top: calc(100% + 4px); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: .3rem; box-shadow: 0 6px 20px rgba(0,0,0,.12); z-index: 10; min-width: 180px; }
details.more .menu .btn { width: 100%; justify-content: flex-start; }

/* forms */
label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; font-weight: 550; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: .4rem; }
input, select, textarea { font: inherit; font-size: .95rem; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: .45rem .6rem; width: 100%; min-width: 0; }
input[type=checkbox] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
textarea { resize: vertical; }
.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem 1rem; }
.grid-form h2 { margin-top: .6rem; }
.span2 { grid-column: span 2; }
.with-action { display: flex; gap: .4rem; }
.with-action select#due_days { width: auto; flex: none; }
.hint { font-weight: 400; color: var(--muted); font-size: .8rem; }
.form-actions { display: flex; gap: .5rem; justify-content: flex-end; flex-wrap: wrap; }
.row-form { display: flex; gap: .6rem; align-items: flex-end; flex-wrap: wrap; margin-top: .8rem; }
.row-form label { width: 150px; }
.row-form label.grow { flex: 1; min-width: 150px; }
.filters { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filters select, .filters input[type=search] { width: auto; }
.filters input[type=search] { flex: 1; min-width: 180px; }

/* tables */
table { border-collapse: collapse; width: 100%; }
.list th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; padding: .6rem .8rem; border-bottom: 1px solid var(--line); }
.list td { padding: .55rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.card:not(.flush) .list td, .card:not(.flush) .list th { padding-left: 0; }
.list tr:last-child td { border-bottom: 0; }
.list tfoot td { border-top: 1px solid var(--line); border-bottom: 0; }
.list th.r { text-align: right; }
tr.rowlink { cursor: pointer; }
tr.rowlink:hover td { background: var(--bg); }
tr.late td { color: var(--danger); }

.items th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; padding: .6rem .5rem; border-bottom: 1px solid var(--line); }
.items td { padding: .45rem .5rem; vertical-align: top; border-bottom: 1px solid var(--line); }
.items tfoot td { border-bottom: 0; vertical-align: middle; }
.items .it-desc { margin-top: .3rem; font-size: .88rem; overflow: hidden; }
.items .it-total { padding-top: .9rem; }
.items .w-qty { width: 90px; } .items .w-unit { width: 70px; } .items .w-price { width: 130px; } .items .w-total { width: 130px; } .items .w-x { width: 36px; }
input.r { text-align: right; }

/* badges & flash */
.badge { display: inline-block; font-size: .72rem; font-weight: 650; padding: .15rem .5rem; border-radius: 99px; text-transform: uppercase; letter-spacing: .04em; background: var(--bg); color: var(--muted); vertical-align: middle; }
.badge.paid, .badge.settled { background: var(--accent-soft); color: var(--accent); }
.badge.unpaid, .badge.partial { background: var(--info-soft); color: var(--ink); }
.badge.overdue { background: var(--danger-soft); color: var(--danger); }
.badge.draft { background: var(--warn-soft); color: var(--warn); }
.badge.cancelled { text-decoration: line-through; }
.tag { font-size: .72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 0 .3rem; margin-left: .3rem; }
.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; background: var(--accent-soft); color: var(--ink); border-left: 3px solid var(--accent); }
.flash.error { background: var(--danger-soft); border-color: var(--danger); }
.flash.info { background: var(--info-soft); border-color: var(--muted); }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

/* dashboard */
.pills { display: flex; gap: .2rem; background: var(--surface); border: 1px solid var(--line); border-radius: 9px; padding: .2rem; }
.pills a { padding: .25rem .7rem; border-radius: 7px; color: var(--muted); font-weight: 550; font-size: .9rem; }
.pills a.on { background: var(--accent); color: var(--accent-ink); }
.pills a:hover { text-decoration: none; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.tiles.tiles-2 { grid-template-columns: 1fr 1fr; margin: 0; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; color: var(--ink); box-shadow: var(--shadow); }
a.tile:hover { text-decoration: none; border-color: var(--muted); }
.tile.warn { border-color: var(--danger); background: var(--danger-soft); }
.tile-label { font-size: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.tile-value { font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; margin: .2rem 0; white-space: nowrap; }
.tile-sub { font-size: .85rem; color: var(--muted); }
.meter { width: 100%; height: 14px; display: block; border-radius: 7px; overflow: hidden; margin: .6rem 0 .3rem; }
.meter-track { fill: var(--bg); }
.meter-fill { fill: var(--accent); }
.meter-fill.hot { fill: var(--warn); }
.meter-mark { stroke: var(--danger); stroke-width: .6; }
.meter-legend { display: flex; justify-content: space-between; font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.meter-big { font-size: 1.2rem; font-weight: 650; }
.chart { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--line); }
.chart .bar.cur { fill: var(--accent); }
.chart .bar.prev { fill: var(--bar-prev); }
.chart .tick { fill: var(--muted); font-size: 11px; text-anchor: middle; font-family: var(--font); }
.legend { font-size: .78rem; text-transform: none; letter-spacing: 0; font-weight: 500; display: inline-flex; gap: .4rem; align-items: center; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; }
.sw.cur { background: var(--accent); } .sw.prev { background: var(--bar-prev); margin-left: .5rem; }
.totp-qr { border-radius: 8px; background: #fff; padding: 6px; }

@media (max-width: 820px) {
  .tiles { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 14px; }
  main { padding: 1rem; }
  .top { padding: .6rem 1rem; gap: .8rem; flex-wrap: wrap; }
  .top nav { order: 3; width: 100%; overflow-x: auto; }
  .top-actions { margin-left: auto; }
  .grid-form { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .hide-sm { display: none; }
  .tile-value { font-size: 1.15rem; }
  .items thead { display: none; }
  .items tr.item { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: .3rem; padding: .5rem; border-bottom: 1px solid var(--line); }
  .items tr.item td { border: 0; padding: 0; }
  .items tr.item td:first-child { grid-column: 1 / -1; }
  .items .it-total { display: none; }
}
@media print {
  .top, .actions, .form-actions, .filters { display: none; }
  body { background: #fff; }
}
.menu-note { display: block; padding: .4rem .6rem; }

/* final invoice ↔ its advance (proforma) on one line */
.z-toggle { display: inline-flex; align-items: center; justify-content: center; width: 1.35rem; height: 1.35rem; margin-left: .35rem; border-radius: 5px; border: 1px solid var(--accent); background: var(--accent-soft); color: var(--accent); font: 700 .72rem/1 var(--font); cursor: pointer; vertical-align: middle; }
.z-toggle:hover, .z-toggle[aria-expanded="true"] { background: var(--accent); color: var(--accent-ink); }
tr.advance-row td { background: var(--bg); font-size: .92em; }
.adv-arrow { color: var(--muted); margin-right: .15rem; }

/* dashboard chart: value axis + hover tooltip */
.chart-wrap { position: relative; }
.chart .grid { stroke: var(--line); stroke-dasharray: 2 3; }
.chart .ytick { fill: var(--muted); font-size: 11px; text-anchor: end; font-family: var(--font); font-variant-numeric: tabular-nums; }
.chart .hit { fill: transparent; }
.chart .month { cursor: default; }
.chart .month.on .hit { fill: var(--bg); }
.chart .month.on .bar.cur { filter: brightness(1.15); }
.chart-tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--surface); border-radius: 8px; padding: .5rem .7rem; font-size: .82rem; line-height: 1.45; white-space: nowrap; box-shadow: 0 6px 18px rgba(0,0,0,.18); z-index: 3; }
.chart-tip .tip-title { font-weight: 650; text-transform: capitalize; margin-bottom: .15rem; }
.chart-tip .tip-cur { font-weight: 600; font-variant-numeric: tabular-nums; }
.chart-tip .tip-prev { opacity: .7; font-variant-numeric: tabular-nums; }
.chart-tip .tip-chg.up { color: #7fd8b4; }
.chart-tip .tip-chg.down { color: #f2a59d; }