/* Invoice Creator — customer application.
   Same visual language as the Admin Control Centre and the product: warm paper,
   Newsreader headings, Inter interface type, near-black solid controls, hairline
   borders, generous whitespace. No gradients, no glassmorphism, no shadows. */

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

:root {
  --paper: #fbfaf7;
  --raise: #ffffff;
  --ink: #1c1b19;
  --ink-soft: #605c54;
  --ink-faint: #8f8a7e;
  --line: #e6e2d9;
  --line-strong: #d3cec2;
  --danger: #7c2d2d;
  --ok: #2f5d3a;
}

html { -webkit-font-smoothing: antialiased; }
body {
  min-height: 100vh;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

h1, h2, h3 { font-family: "Newsreader", Georgia, serif; font-weight: 440; letter-spacing: -0.015em; }
h1 { font-size: 26px; margin-bottom: 4px; }
h2 { font-size: 19px; margin-bottom: 12px; }
h3 { font-size: 16px; }
a { color: inherit; }

.wordmark { display: flex; align-items: baseline; gap: 8px; }
.wordmark b { font-family: "Newsreader", Georgia, serif; font-weight: 500; font-size: 17px; }
.wordmark span { font-size: 11px; color: var(--ink-soft); letter-spacing: 0.03em; text-transform: uppercase; }

.lede { color: var(--ink-soft); margin-bottom: 20px; }
.muted { color: var(--ink-soft); }
.error { color: var(--danger); font-size: 13px; margin: 8px 0; }
.ok-msg { color: var(--ok); font-size: 13px; margin: 8px 0; }
.notice {
  border: 1px solid var(--line-strong);
  background: var(--raise);
  padding: 12px 14px;
  border-radius: 7px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--ink-soft);
}
.notice strong { color: var(--ink); }

/* --- Controls --------------------------------------------------------- */
input, select, textarea {
  width: 100%;
  padding: 0 10px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--raise);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
}
input, select { height: 38px; }
textarea { padding: 8px 10px; min-height: 76px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(28,27,25,0.08);
}
input:disabled, select:disabled, textarea:disabled { background: var(--paper); color: var(--ink-soft); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 500; margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--ink-faint); margin-top: 4px; }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 16px;
  font: inherit; font-size: 13px; font-weight: 500;
  color: var(--paper); background: var(--ink);
  border: 1px solid var(--ink); border-radius: 7px;
  cursor: pointer; text-decoration: none;
}
button:hover, .btn:hover { background: #000; }
button:disabled, .btn.disabled { opacity: 0.45; cursor: not-allowed; }
button.ghost, .btn.ghost { background: transparent; color: var(--ink); }
button.ghost:hover, .btn.ghost:hover { background: rgba(28,27,25,0.05); }
button.danger { background: transparent; color: var(--danger); border-color: var(--line-strong); }
button.danger:hover { background: rgba(124,45,45,0.06); border-color: var(--danger); }
button.link {
  height: auto; padding: 0; background: none; border: none; color: var(--ink-soft);
  text-decoration: underline; font-size: 12px; font-weight: 400;
}
button.link:hover { color: var(--ink); background: none; }

/* --- Login gate ------------------------------------------------------- */
.gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.gate-card { width: 100%; max-width: 360px; }
.gate-card .wordmark { margin-bottom: 36px; }
.gate-card button { width: 100%; margin-top: 6px; }

/* --- Shell ---------------------------------------------------------- */
.shell { display: grid; grid-template-columns: 224px 1fr; min-height: 100vh; }

.topbar { display: none; }

.sidebar {
  border-right: 1px solid var(--line);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-weight: 450;
}
.sidebar nav a:hover { background: rgba(28,27,25,0.05); color: var(--ink); }
.sidebar nav a.active { background: var(--ink); color: var(--paper); }
.sidebar-foot {
  margin-top: auto; font-size: 12px; color: var(--ink-soft);
  display: flex; flex-direction: column; gap: 6px;
  border-top: 1px solid var(--line); padding-top: 16px;
}
.sidebar-foot .who { color: var(--ink); font-weight: 500; word-break: break-all; }
.sidebar-foot .role { text-transform: uppercase; letter-spacing: 0.05em; font-size: 10px; }

.view { padding: 40px 44px; max-width: 1000px; }
.view-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 26px; flex-wrap: wrap;
}
.view-head .lede { margin-bottom: 0; }
.back { font-size: 12px; color: var(--ink-soft); text-decoration: none; display: inline-block; margin-bottom: 14px; }
.back:hover { color: var(--ink); }

/* --- Dashboard summary rows -------------------------------------- */
.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 32px;
}
.summary .cell { background: var(--paper); padding: 18px 18px; }
.summary .cell.attn { background: #f7f3ec; }
.summary .n { font-family: "Newsreader", Georgia, serif; font-size: 26px; font-weight: 400; line-height: 1.1; }
.summary .n .sub { font-family: "Inter", sans-serif; font-size: 13px; color: var(--ink-soft); }
.summary .k { font-size: 12px; color: var(--ink-soft); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.summary a.cell { text-decoration: none; color: inherit; }
.summary a.cell:hover { background: #f4efe6; }

.block { margin-bottom: 34px; }
.block > h3 {
  font-family: "Inter", sans-serif; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint);
  margin-bottom: 12px;
}

/* first-run empty state */
.firstrun {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  max-width: 460px;
  margin: 40px auto;
}
.firstrun h2 { margin-bottom: 8px; }
.firstrun p { color: var(--ink-soft); margin-bottom: 20px; }

/* --- Tables -------------------------------------------------------- */
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.toolbar input[type="search"] { max-width: 280px; }

.tabs { display: flex; gap: 2px; flex-wrap: wrap; }
.tabs button {
  height: 32px; padding: 0 12px; font-size: 12.5px; font-weight: 450;
  background: transparent; color: var(--ink-soft); border: 1px solid var(--line-strong);
  border-radius: 6px;
}
.tabs button:hover { color: var(--ink); background: rgba(28,27,25,0.04); }
.tabs button.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; font-weight: 600; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--ink-faint);
  padding: 8px 12px; border-bottom: 1px solid var(--line-strong); white-space: nowrap;
}
tbody td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: rgba(28,27,25,0.03); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td .mono, .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; color: var(--ink-soft); }
td .rowactions { display: flex; gap: 12px; justify-content: flex-end; }

/* --- Status labels (text first — never colour alone) ------------- */
.status {
  display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.05em;
  padding: 2px 8px; border: 1px solid var(--line-strong); border-radius: 3px;
  color: var(--ink-soft); white-space: nowrap;
}
.status.paid { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--line-strong)); }
.status.overdue { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--line-strong)); }
.status.draft, .status.void { color: var(--ink-faint); }
.pill {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px;
  border: 1px solid var(--line-strong); color: var(--ink-soft);
}
.pill.admin { color: var(--ink); border-color: var(--line-strong); }
.pill.archived { color: var(--ink-faint); }

/* --- Cards / detail / forms ------------------------------------- */
.card { border: 1px solid var(--line); border-radius: 8px; padding: 22px; margin-bottom: 24px; }
.dl { display: grid; grid-template-columns: 160px 1fr; row-gap: 10px; column-gap: 16px; font-size: 13px; }
.dl dt { color: var(--ink-soft); }
.dl dd { word-break: break-word; }
.section-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

.form-card { border: 1px solid var(--line); border-radius: 8px; padding: 24px; max-width: 640px; }
.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row .field { flex: 1; min-width: 180px; }
.form-actions { margin-top: 10px; display: flex; gap: 10px; align-items: center; }

.settings-nav { display: flex; gap: 4px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.settings-nav a {
  padding: 8px 12px; text-decoration: none; color: var(--ink-soft);
  font-size: 13px; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.settings-nav a:hover { color: var(--ink); }
.settings-nav a.active { color: var(--ink); border-bottom-color: var(--ink); font-weight: 500; }

/* --- Loading / skeleton ---------------------------------------- */
.loading { color: var(--ink-faint); font-size: 13px; padding: 8px 0; }

/* --- Responsive ---------------------------------------------------- */
@media (max-width: 780px) {
  .shell { display: block; }
  .topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--line);
    position: sticky; top: 0; background: var(--paper); z-index: 20;
  }
  .topbar .menu-btn {
    height: 34px; padding: 0 12px; font-size: 13px;
    background: transparent; color: var(--ink); border: 1px solid var(--line-strong);
  }
  .sidebar {
    display: none;
    border-right: none; border-bottom: 1px solid var(--line);
    padding: 12px 16px 16px;
    position: sticky; top: 58px; background: var(--paper); z-index: 19;
  }
  .sidebar.open { display: flex; }
  .sidebar .wordmark { display: none; }
  .sidebar nav a { padding: 11px 10px; }
  .sidebar-foot { border-top: 1px solid var(--line); }
  .view { padding: 22px 16px 60px; }
  .dl { grid-template-columns: 1fr; row-gap: 2px; }
  .dl dt { margin-top: 10px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
  .view-head { margin-bottom: 20px; }
  .form-card { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }