:root {
  --ink: #0a0e0c;
  --paper: #f4f1ea;
  --paper-2: #ebe6d8;
  --rule: #1a1f1c;
  --accent: #ff4d00;
  --accent-2: #1d4ed8;
  --green: #2d5a2d;
  --muted: #6b6857;
  --grid: rgba(10, 14, 12, 0.06);
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── HEADER ─────────────────────────────────────────── */
header {
  border-bottom: 2px solid var(--ink);
  padding: 24px 40px 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  width: 38px; height: 38px;
  background: var(--ink);
  color: var(--paper);
  display: grid; place-items: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  align-self: center;
}
.brand h1 { font-family: 'Bebas Neue', sans-serif; font-size: 32px; line-height: 1; }
.brand .sub { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; }

.header-meta { text-align: right; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.header-meta .status { color: var(--green); }
.header-meta .status::before { content: '●'; margin-right: 6px; }

/* ── LAYOUT ─────────────────────────────────────────── */
main {
  display: grid;
  grid-template-columns: 300px 1fr 400px;
  gap: 0;
  min-height: calc(100vh - 84px);
}

@media (max-width: 1100px) {
  main { grid-template-columns: 1fr; }
  aside.sidebar, aside.summary { border: none; }
}

/* ── SIDEBAR (project picker) ───────────────────────── */
aside.sidebar {
  border-right: 1px solid var(--ink);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 84px);
  position: sticky;
  top: 84px;
}

.search-wrap {
  position: relative;
  padding: 20px 20px 12px;
  border-bottom: 1px solid var(--ink);
}
#searchInput {
  width: 100%;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  padding: 11px 14px 11px 38px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: all 0.15s;
}
#searchInput:focus { background: var(--paper); border-color: var(--accent); }
.search-icon {
  position: absolute;
  left: 32px;
  top: 50%;
  transform: translateY(-30%);
  font-size: 18px;
  color: var(--muted);
  pointer-events: none;
}

.project-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink) transparent;
}
.project-list::-webkit-scrollbar { width: 6px; }
.project-list::-webkit-scrollbar-thumb { background: var(--ink); }

.category {
  margin-top: 14px;
}
.category-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.category-head:hover { color: var(--ink); }
.category-head .chev {
  display: inline-block;
  width: 8px;
  transition: transform 0.2s;
}
.category.collapsed .chev { transform: rotate(-90deg); }
.category.collapsed .category-items { display: none; }
.category-head .count {
  margin-left: auto;
  background: var(--paper-2);
  padding: 1px 7px;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.category-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.project-btn {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  padding: 9px 10px;
  cursor: pointer;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  transition: all 0.12s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}
.project-btn:hover {
  background: var(--paper-2);
  padding-left: 14px;
}
.project-btn.active {
  background: var(--ink);
  color: var(--paper);
  padding-left: 14px;
}
.project-btn .dot {
  width: 5px; height: 5px;
  background: var(--muted);
  border-radius: 50%;
  flex-shrink: 0;
}
.project-btn.active .dot { background: var(--accent); }

.no-results {
  padding: 30px 14px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.sidebar-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  background: var(--paper-2);
}
.sidebar-foot .row { display: flex; justify-content: space-between; padding: 2px 0; }

/* ── MAIN PANEL ─────────────────────────────────────── */
.panel { padding: 32px 40px; }

.panel-head {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 20px;
  margin-bottom: 24px;
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 20px;
}
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}
.panel-head h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px;
  line-height: 0.95;
  letter-spacing: 0.01em;
}
.panel-head .ref {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.panel-head .ref strong { color: var(--ink); display: block; font-size: 13px; }

.intro {
  background: var(--paper-2);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--ink);
}

/* ── FORM ───────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
  margin-bottom: 28px;
}
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }

label.lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 8px;
  display: flex; justify-content: space-between;
}
label.lbl .req { color: var(--accent); }

input[type="number"], input[type="text"], select {
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--ink);
  padding: 10px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  transition: border-color 0.15s;
  width: 100%;
}
input:focus, select:focus { border-bottom-color: var(--accent); }
select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%230a0e0c' stroke-width='1.5' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 22px;
}
.hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.actions {
  display: flex; gap: 12px;
  margin-top: 8px;
  padding-top: 22px;
  border-top: 1px dashed var(--ink);
}
button.primary, button.secondary {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
button.primary {
  background: var(--ink);
  color: var(--paper);
}
button.primary:hover { background: var(--accent); }
button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
button.secondary:hover { background: var(--ink); color: var(--paper); }

/* ── RIGHT SUMMARY ──────────────────────────────────── */
aside.summary {
  border-left: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 32px 28px;
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 84px);
  overflow-y: auto;
  align-self: start;
}
aside.summary::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
aside.summary > * { position: relative; z-index: 1; }

.summary h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.summary .quote-ref {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(244, 241, 234, 0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(244, 241, 234, 0.15);
  margin-bottom: 22px;
}

.line {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(244, 241, 234, 0.15);
  font-size: 13px;
  gap: 14px;
}
.line .l { color: rgba(244, 241, 234, 0.7); font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.line .r { font-family: 'JetBrains Mono', monospace; white-space: nowrap; }
.line.head { padding-top: 18px; padding-bottom: 6px; border-bottom: 1.5px solid rgba(244, 241, 234, 0.3); }
.line.head .l { color: var(--paper); font-weight: 700; }

.total {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 2px solid var(--paper);
}
.total .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, 0.6);
  margin-bottom: 6px;
}
.total .amount {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0.01em;
}
.total .amount .pence { font-size: 28px; color: rgba(244, 241, 234, 0.5); }
.total .vat-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: rgba(244, 241, 234, 0.5);
  margin-top: 6px;
  letter-spacing: 0.08em;
}

.data-source {
  margin-top: 28px;
  padding: 12px 14px;
  background: rgba(244, 241, 234, 0.06);
  border-left: 2px solid var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  line-height: 1.6;
  color: rgba(244, 241, 234, 0.75);
  letter-spacing: 0.04em;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(244, 241, 234, 0.4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── API MODAL ──────────────────────────────────────── */
.pill-row { display: flex; gap: 6px; margin-top: 6px; justify-content: flex-end; }
.api-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--paper-2);
  border: 1px solid var(--ink);
  padding: 5px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.15s;
}
.api-pill:hover { background: var(--ink); color: var(--paper); }
.api-pill.live { background: var(--green); color: var(--paper); border-color: var(--green); }

.modal-bg {
  position: fixed; inset: 0;
  background: rgba(10, 14, 12, 0.7);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-bg.open { display: flex; }
.modal {
  background: var(--paper);
  border: 2px solid var(--ink);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
}
.modal h3 { font-family: 'Bebas Neue', sans-serif; font-size: 32px; margin-bottom: 6px; }
.modal .sub { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 24px; }
.modal .group { margin-bottom: 18px; }
.close {
  float: right;
  background: transparent;
  border: 1px solid var(--ink);
  width: 32px; height: 32px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}
.close:hover { background: var(--ink); color: var(--paper); }

/* ── LABOUR RATES GRID ──────────────────────────────── */
.rate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin-bottom: 24px;
  padding: 18px;
  background: var(--paper-2);
  border: 1px solid var(--ink);
}
.rate-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.rate-row label {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  color: var(--ink);
  flex: 1;
}
.rate-input-wrap {
  display: flex;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 4px 8px;
  width: 110px;
}
.rate-input-wrap .currency {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--muted);
  margin-right: 4px;
}
.rate-input-wrap input {
  border: none;
  background: transparent;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  width: 100%;
  padding: 4px 0;
}
.rate-input-wrap .unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.rate-presets {
  margin-bottom: 20px;
}
.preset-row { display: flex; gap: 6px; flex-wrap: wrap; }
.preset-btn {
  background: transparent;
  border: 1px solid var(--ink);
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s;
}
.preset-btn:hover { background: var(--ink); color: var(--paper); }
.preset-btn[data-adj="reset"] { border-color: var(--accent); color: var(--accent); }
.preset-btn[data-adj="reset"]:hover { background: var(--accent); color: var(--paper); }

/* Override label for "this job" labour rate */
.field .rate-override-tag {
  background: var(--accent);
  color: var(--paper);
  font-size: 8px;
  padding: 2px 6px;
  letter-spacing: 0.1em;
  margin-left: 6px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.fetching .amount { animation: pulse 1s ease infinite; }

.toast {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--ink); color: var(--paper);
  padding: 12px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 200;
  transition: transform 0.3s ease;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--accent); }

@media print {
  header, aside.sidebar, .actions, .api-pill { display: none; }
  main { grid-template-columns: 1fr 1fr; }
  aside.summary { background: white; color: black; border-left: 2px solid black; }
  aside.summary .line .l, aside.summary .line .r { color: black; }
}