/* Redline billing — same design language as the public site so an invoice
   looks like it came from the same company. Tokens copied deliberately rather
   than imported: this app must keep working if the website is redesigned. */

@font-face { font-family: 'Space Grotesk'; font-weight: 300 700; font-display: swap;
  src: url('/fonts/grotesk-latin.woff2') format('woff2'); }
@font-face { font-family: 'Raleway'; font-weight: 100 900; font-display: swap;
  src: url('/fonts/raleway-latin.woff2') format('woff2'); }

:root {
  --accent: #ec5c39;
  --accent-hover: #f3714f;
  --surface: #383838;
  --surface-deep: #141414;
  --surface-raised: #434343;
  --text: #fff;
  --text-muted: rgba(255,255,255,.72);
  --text-faint: rgba(255,255,255,.5);
  --line: rgba(255,255,255,.14);
  --line-strong: rgba(255,255,255,.28);
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Raleway', 'Segoe UI', system-ui, sans-serif;
  --maxw: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--surface); color: var(--text);
  font-family: var(--font-body); font-size: 16px; font-weight: 500; line-height: 1.6;
  -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500;
  letter-spacing: -.04em; line-height: 1.12; margin: 0 0 .5em; }
h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
small, .small { font-size: .875rem; }
.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

.wrap { max-width: var(--maxw); margin-inline: auto; padding: 0 clamp(16px, 4vw, 32px); }
.stack > * + * { margin-top: 1.5rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.row--between { justify-content: space-between; }
.grow { flex: 1 1 auto; }

/* ---------- Header ---------- */
.topbar { background: var(--surface-deep); border-bottom: 1px solid var(--line); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 68px; }
.topbar__brand { display: flex; align-items: center; gap: .75rem;
  font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -.03em; color: #fff; }
.topbar__brand img { height: 34px; width: auto; }
.topbar nav { display: flex; flex-wrap: wrap; gap: clamp(.5rem, 2vw, 1.5rem); align-items: center; }
.topbar nav a { color: var(--text-muted); font-size: .9375rem; font-weight: 600;
  padding: .35rem 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.topbar nav a:hover { color: #fff; }
.topbar nav a[aria-current] { color: var(--accent); border-bottom-color: var(--accent); }
main { padding-block: clamp(24px, 4vw, 44px); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 2.75rem; padding: 0 1.4rem; border: 2px solid var(--accent);
  background: var(--accent); color: #fff; border-radius: 0; cursor: pointer;
  font-family: var(--font-display); font-size: .9375rem; font-weight: 500;
  letter-spacing: .05em; text-transform: uppercase;
  transition: background .16s, border-color .16s, transform .16s; }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff;
  transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn--ghost { background: transparent; border-color: var(--line-strong); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; }
.btn--danger { background: transparent; border-color: var(--bad); color: var(--bad); }
.btn--danger:hover { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn--sm { min-height: 2.1rem; padding: 0 .85rem; font-size: .8125rem; }
.btn--lg { min-height: 3.25rem; padding: 0 2.25rem; font-size: 1rem; }

/* ---------- Cards, tiles ---------- */
.card { background: var(--surface-raised); border: 1px solid var(--line);
  border-top: 3px solid var(--accent); padding: clamp(18px, 2.4vw, 26px); }
.card--plain { border-top-color: var(--line); }
.tiles { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.tile { background: var(--surface-deep); padding: clamp(18px, 2.2vw, 24px); }
.tile__value { font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700; letter-spacing: -.04em; line-height: 1.1; display: block; }
.tile__label { font-size: .8125rem; color: var(--text-muted); display: block; margin-top: .3rem; }
.tile--accent .tile__value { color: var(--accent); }
.tile--bad .tile__value { color: var(--bad); }
.tile--ok .tile__value { color: var(--ok); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--surface-deep); }
table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
th, td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--line);
  vertical-align: top; }
th { font-family: var(--font-display); font-size: .75rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-faint); font-weight: 700;
  white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255,255,255,.03); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-empty { padding: 2.5rem 1rem; text-align: center; color: var(--text-faint); }

/* ---------- Status pills ---------- */
.pill { display: inline-block; padding: .2rem .6rem; font-family: var(--font-display);
  font-size: .6875rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid currentColor; white-space: nowrap; }
.pill--draft { color: var(--text-faint); }
.pill--sent { color: var(--warn); }
.pill--overdue { color: var(--bad); }
.pill--paid { color: var(--ok); }
.pill--void { color: var(--text-faint); text-decoration: line-through; }

/* ---------- Forms ---------- */
.field { display: grid; gap: .4rem; margin-bottom: 1.1rem; }
.field label { font-family: var(--font-display); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-muted); }
.field input, .field select, .field textarea { width: 100%; font-family: var(--font-body);
  font-size: 1rem; font-weight: 500; color: #fff; background: var(--surface-deep);
  border: 1px solid var(--line-strong); border-radius: 0; padding: .7rem .85rem; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); outline: none; }
.field select option { background: var(--surface-deep); }
.fields-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,220px),1fr));
  gap: 0 1.1rem; }
.hint { font-size: .8125rem; color: var(--text-faint); }

.flash { padding: .9rem 1.1rem; border-left: 4px solid var(--accent);
  background: rgba(236,92,57,.12); margin-bottom: 1.5rem; font-size: .9375rem; }
.flash--ok { border-color: var(--ok); background: rgba(74,222,128,.12); }
.flash--bad { border-color: var(--bad); background: rgba(248,113,113,.12); }

/* ---------- Invoice document ---------- */
.doc { background: #fff; color: #1a1a1a; padding: clamp(28px, 5vw, 56px);
  max-width: 860px; margin-inline: auto; }
.doc h1, .doc h2, .doc h3 { color: #111; }
.doc a { color: #c2421f; }
.doc__head { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between;
  align-items: flex-start; border-bottom: 3px solid var(--accent); padding-bottom: 1.5rem;
  margin-bottom: 2rem; }
.doc__logo { height: 46px; width: auto; }
.doc__meta { text-align: right; font-size: .9375rem; }
.doc__meta strong { display: block; font-family: var(--font-display); font-size: 1.6rem;
  letter-spacing: -.04em; }
.doc__parties { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,240px),1fr));
  gap: 1.5rem; margin-bottom: 2rem; }
.doc__parties h4 { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: #777; margin-bottom: .4rem; }
.doc table { font-size: .9375rem; }
.doc th { color: #777; border-bottom: 2px solid #ddd; }
.doc td { border-bottom: 1px solid #eee; }
.doc tfoot td { border-bottom: 0; border-top: 2px solid #ddd; font-weight: 700;
  font-family: var(--font-display); font-size: 1.15rem; }
.doc__pay { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid #eee; }
.doc__foot { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid #eee;
  font-size: .8125rem; color: #777; }

@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  main { padding: 0; }
  .wrap { padding: 0; max-width: none; }
  .doc { padding: 0; max-width: none; }
  a { color: #1a1a1a; }
}

/* ---------- Auth pages ---------- */
.auth { max-width: 26rem; margin: clamp(32px, 8vh, 90px) auto; }
.auth__brand { text-align: center; margin-bottom: 2rem; }
.auth__brand img { height: 56px; width: auto; margin: 0 auto .75rem; }