/* Arthaus Platform — styled to read as part of arthausdevelopment.com:
   paper ground, carbon ink, warm hairlines, Albert Sans, square editorial corners,
   uppercase 13px labels, light-weight display headings, bottle-green accent. */
:root {
  --paper: #f5f1ea;
  --card: #fbf9f4;
  --white: #ffffff;
  --paper-glass: rgba(245, 241, 234, 0.92);
  --carbon: #171a19;
  --graphite: #3d403e;
  --mute: #69675f;
  --hairline: #ded8cd;
  --bottle: #1f4a3f;
  --cta: #183b32;
  --glint: #c9a465;
  --face: 'Albert Sans', 'Helvetica Neue', Arial, sans-serif;
  --fs-label: 13px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { -webkit-text-size-adjust: 100%; background: var(--paper); }

body {
  font-family: var(--face);
  background: var(--paper);
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:focus-visible { outline: 2px solid var(--carbon); outline-offset: 3px; }

/* ---------- navigation ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper-glass);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--carbon);
  text-decoration: none;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 28px; align-items: baseline; }
.nav-links a {
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.nav-links a:hover, .nav-links a.current { color: var(--carbon); }

/* ---------- layout ---------- */
main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 56px 24px 112px;
}

h1 {
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 300;
  color: var(--carbon);
  letter-spacing: -0.01em;
  line-height: 1.06;
  margin-bottom: 36px;
}
h2 {
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  margin: 56px 0 16px;
}
h3 { font-size: 17px; font-weight: 600; color: var(--carbon); }

.sub { color: var(--mute); font-size: 13px; }
a { color: var(--carbon); }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--hairline);
}
.card.pad { padding: 28px; }
.card.empty { padding: 56px 28px; text-align: center; color: var(--mute); }
.card.empty p { margin-bottom: 6px; }

/* ---------- dashboard ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}
.project-card {
  display: block;
  padding: 26px 28px;
  text-decoration: none;
  color: var(--graphite);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.project-card:hover { background: var(--white); border-color: var(--carbon); }
.project-name {
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--carbon);
  margin-bottom: 18px;
}
.balance {
  font-size: 30px;
  font-weight: 300;
  color: var(--carbon);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.balance-label { font-size: 12px; color: var(--mute); margin-top: 2px; }
.meta {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--mute);
}

.list { overflow: hidden; }
.list-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 28px;
  text-decoration: none;
  color: var(--graphite);
  font-size: 14px;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.25s var(--ease);
}
.list-row:last-child { border-bottom: none; }
.list-row:hover { background: var(--white); }
.list-right { font-variant-numeric: tabular-nums; color: var(--mute); }

/* ---------- statement page ---------- */
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}
.page-head h1 { margin-bottom: 6px; }
.back {
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 14px;
}
.back:hover { color: var(--carbon); }

.button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1.2;
  padding: 14px 22px;
  background: var(--carbon);
  color: var(--paper);
  border: 1px solid var(--carbon);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
.button:hover { background: transparent; color: var(--carbon); }
.button.secondary { background: transparent; color: var(--carbon); border-color: var(--hairline); }
.button.secondary:hover { border-color: var(--carbon); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--hairline);
  padding: 20px 22px;
}
.stat-value {
  font-size: 24px;
  font-weight: 300;
  color: var(--carbon);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.stat.primary { border-color: var(--bottle); }
.stat.primary .stat-value { font-weight: 500; color: var(--bottle); }
.stat-label {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  margin-top: 5px;
}

.section { margin-bottom: 28px; overflow: hidden; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 28px 14px;
  border-bottom: 1px solid var(--carbon);
}
.section-head h3 {
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}
.section-balance { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 15px; color: var(--carbon); }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mute);
  padding: 10px 28px;
  border-bottom: 1px solid var(--hairline);
}
td {
  padding: 10px 28px;
  border-bottom: 1px solid rgba(222, 216, 205, 0.55);
  vertical-align: top;
  color: var(--graphite);
}
tbody tr:hover { background: var(--white); }
td.date { white-space: nowrap; color: var(--mute); width: 115px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
th.num { text-align: right; }
td.credit { color: var(--bottle); font-weight: 500; }
td.balance-col { color: var(--mute); width: 130px; }
tfoot td {
  border-bottom: none;
  border-top: 1px solid var(--carbon);
  padding: 14px 28px;
  font-size: 12.5px;
  color: var(--mute);
}
tfoot .num { font-weight: 600; color: var(--carbon); }

/* ---------- quickbooks ---------- */
.connect-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.connect-actions { display: flex; gap: 10px; }
.qbo-form { display: grid; gap: 16px; max-width: 440px; margin-bottom: 24px; }
.qbo-form label {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  display: grid;
  gap: 6px;
}
.qbo-form input, .qbo-form select {
  font: inherit;
  font-size: 14px;
  padding: 11px 14px;
  border: 1px solid var(--hairline);
  background: var(--white);
  color: var(--carbon);
  border-radius: 0;
}
.qbo-form input:focus, .qbo-form select:focus { outline: 2px solid var(--carbon); outline-offset: -1px; }
.qbo-form .button { justify-self: start; }
code {
  font-family: ui-monospace, 'SF Mono', Consolas, monospace;
  font-size: 12px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  padding: 2px 7px;
}

/* ---------- import ---------- */
.import-form { display: flex; gap: 14px; align-items: center; margin-bottom: 22px; flex-wrap: wrap; }
.import-form input[type="file"] { font-size: 13px; color: var(--mute); }
.hint p { font-size: 13px; color: var(--mute); margin-bottom: 10px; }
.result { margin-top: 16px; }
.result table td { padding: 6px 0; border-bottom: none; }
.error { color: #8c3b2e; }

/* ---------- login ---------- */
.login-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  padding: 48px 44px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-card .qbo-form { max-width: none; text-align: left; }
.login-card .qbo-form .button { justify-self: stretch; justify-content: center; }

@media (max-width: 600px) {
  main { padding: 36px 16px 72px; }
  .page-head { flex-direction: column; align-items: flex-start; gap: 18px; }
  td, th { padding-left: 14px; padding-right: 14px; }
  .section-head { padding-left: 14px; padding-right: 14px; }
}