/* ==== styles.css - one stylesheet, no framework ==========================
   Light and dark both defined as tokens so the app follows the machine.
   The print rules at the bottom are load-bearing: a printed invoice IS the
   invoice, so the screen chrome has to vanish completely.
*/

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --line: #dde1e7;
  --line-strong: #c3c9d2;
  --text: #1a1f26;
  --muted: #5d6673;
  --accent: #14527a;
  --accent-text: #ffffff;
  --accent-soft: #e6eff5;
  --good: #1c6b3f;
  --good-soft: #e3f2e9;
  --warn: #8a5a00;
  --warn-soft: #fdf1da;
  --bad: #9b2226;
  --bad-soft: #fbe6e6;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1c2027;
    --surface-2: #232830;
    --line: #2e343d;
    --line-strong: #414954;
    --text: #e8eaed;
    --muted: #9aa3af;
    --accent: #4a9fd4;
    --accent-text: #0b1116;
    --accent-soft: #1b2c38;
    --good: #6cc38d;
    --good-soft: #16281e;
    --warn: #dfa93f;
    --warn-soft: #2b2313;
    --bad: #e0787c;
    --bad-soft: #2c1819;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

/* ---- chrome ----------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; }
.brand .mark {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 6px;
  background: var(--accent); color: var(--accent-text);
  font-size: 11px; letter-spacing: .02em;
}
.brand .name { letter-spacing: -.01em; }

.nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: 6px 11px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.on { background: var(--accent-soft); color: var(--accent); }

.who { color: var(--muted); font-size: 12.5px; white-space: nowrap; }

.view { padding: 22px; max-width: 1200px; margin: 0 auto; }
.loading { color: var(--muted); padding: 40px 0; text-align: center; }

/* ---- page furniture ---------------------------------------------------- */

.page-head {
  display: flex; align-items: flex-start; gap: 16px;
  margin: 0 0 18px;
  flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 21px; letter-spacing: -.02em; }
.page-head .sub { color: var(--muted); margin-top: 2px; }
.page-head .spacer { flex: 1; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.card > h2 {
  margin: 0;
  padding: 12px 16px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.card-body { padding: 16px; }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); }

/* ---- stats ------------------------------------------------------------- */

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat .value { font-size: 23px; font-weight: 640; margin-top: 5px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat .note { color: var(--muted); font-size: 12px; margin-top: 2px; }
.stat.alert .value { color: var(--bad); }

/* ---- tables ------------------------------------------------------------ */

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
table.data td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data .ref { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
table.data a { color: var(--accent); text-decoration: none; font-weight: 550; }
table.data a:hover { text-decoration: underline; }

.empty { padding: 34px 16px; text-align: center; color: var(--muted); }
.empty p { margin: 0 0 12px; }

/* ---- pills ------------------------------------------------------------- */

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.pill.good { background: var(--good-soft); color: var(--good); border-color: transparent; }
.pill.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.bad  { background: var(--bad-soft);  color: var(--bad);  border-color: transparent; }
.pill.info { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

/* ---- forms ------------------------------------------------------------- */

label.field { display: block; margin-bottom: 12px; }
label.field > span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
}
input[type=text], input[type=email], input[type=date], input[type=number],
textarea, select {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
input[readonly], input:disabled, textarea:disabled, select:disabled {
  background: var(--surface-2);
  color: var(--muted);
}
textarea { min-height: 72px; resize: vertical; }
.hint { color: var(--muted); font-size: 12px; margin-top: 3px; }

button {
  font: inherit;
  font-weight: 550;
  padding: 7px 13px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
button:hover:not(:disabled) { background: var(--surface-2); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.primary:hover:not(:disabled) { filter: brightness(1.08); }
button.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
button.danger:hover:not(:disabled) { background: var(--bad-soft); }
button.link { border: 0; background: none; color: var(--accent); padding: 2px 4px; }
button.small { padding: 4px 9px; font-size: 12.5px; }

/* ---- line editor ------------------------------------------------------- */

table.lines { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.lines th {
  text-align: left; padding: 7px 8px;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); border-bottom: 1px solid var(--line-strong);
}
table.lines td { padding: 5px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.lines input, table.lines select { padding: 5px 7px; }
table.lines .num { text-align: right; font-variant-numeric: tabular-nums; }
table.lines input.num { text-align: right; }
table.lines td.calc { padding-top: 11px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.col-qty { width: 78px; }
.col-price { width: 108px; }
.col-disc { width: 78px; }
.col-vat { width: 128px; }
.col-total { width: 108px; }
.col-bin { width: 34px; }

.totals { margin-left: auto; max-width: 320px; }
.totals div { display: flex; justify-content: space-between; padding: 4px 0; font-variant-numeric: tabular-nums; }
.totals div.sum { border-top: 1px solid var(--line-strong); margin-top: 5px; padding-top: 8px; font-weight: 680; font-size: 16px; }
.totals .vatband { color: var(--muted); font-size: 12.5px; }

/* ---- banners ----------------------------------------------------------- */

.banner {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner.bad { background: var(--bad-soft); color: var(--bad); }
.banner.info { background: var(--accent-soft); color: var(--accent); }
.banner ul { margin: 6px 0 0; padding-left: 20px; }

.toast-host {
  position: fixed; bottom: 18px; right: 18px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 100;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 14px;
  box-shadow: 0 4px 14px rgba(16, 24, 40, .16);
  max-width: 380px;
}
.toast.bad { border-left-color: var(--bad); }
.toast.good { border-left-color: var(--good); }

/* ---- printed document -------------------------------------------------- */

.doc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}
.doc-head { display: flex; justify-content: space-between; gap: 30px; margin-bottom: 26px; }
.doc-head h1 { margin: 0 0 2px; font-size: 27px; letter-spacing: -.02em; }
.doc-head .docnum { font-family: var(--mono); color: var(--muted); }
.doc-company { text-align: right; font-size: 13px; line-height: 1.5; }
.doc-company .co { font-weight: 680; font-size: 15px; }
.doc-parties { display: flex; gap: 34px; flex-wrap: wrap; margin-bottom: 22px; }
.doc-parties h3 {
  margin: 0 0 5px; font-size: 11px; text-transform: uppercase;
  letter-spacing: .07em; color: var(--muted);
}
.doc-meta { margin-left: auto; }
.doc-meta table td { padding: 1px 0; }
.doc-meta table td:first-child { padding-right: 16px; color: var(--muted); }
.doc table.data th { border-bottom-color: var(--text); }
.doc-notes { margin-top: 26px; font-size: 13px; }
.doc-notes h3 { margin: 0 0 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.doc-foot { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }

@media print {
  @page { margin: 14mm; }
  body { background: #fff; color: #000; font-size: 11.5pt; }
  .topbar, .toast-host, .page-head, .no-print { display: none !important; }
  .view { padding: 0; max-width: none; }
  .doc { border: 0; box-shadow: none; padding: 0; max-width: none; background: #fff; }
  .doc a { color: #000; text-decoration: none; }
  table.data th { color: #000; }
  .pill { border: 1px solid #999; color: #000; background: #fff; }
}