/* SwiftBOQ — base styles */
:root {
  --teal: #0f5c63;
  --teal-dark: #0a454b;
  --amber: #e07a1f;
  --ink: #1f2933;
  --muted: #616e7c;
  --line: #dde3ea;
  --bg: #f3f5f8;
  --card: #ffffff;
  --error-bg: #fdecec; --error-ink: #9b1c1c;
  --success-bg: #e7f6ee; --success-ink: #1d6b43;
  --info-bg: #e8f1fb; --info-ink: #1e4f85;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --teal: #3fb0ba; --teal-dark: #2d8f98; --amber: #f0a050;
    --ink: #e4e8ee; --muted: #9aa5b1; --line: #2f3a47;
    --bg: #12181f; --card: #1a222c;
    --error-bg: #3a1d1f; --error-ink: #f3b4b4;
    --success-bg: #173126; --success-ink: #9fdcbc;
    --info-bg: #182a3e; --info-ink: #a9cbf0;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15px; line-height: 1.5; color: var(--ink); background: var(--bg);
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* Brand */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none !important; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px; background: var(--teal); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 18px;
}
.brand-name { font-size: 20px; font-weight: 600; letter-spacing: -0.2px; }
.brand-name b { color: var(--amber); font-weight: 700; }

/* Auth pages */
.auth-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding: 48px 16px 24px; }
.auth-wrap > .brand { margin-bottom: 24px; }
.card {
  width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card > .muted { margin: 0 0 18px; }
.foot { color: var(--muted); font-size: 12px; margin-top: 24px; }

/* Forms */
label { display: block; font-weight: 500; font-size: 14px; margin: 14px 0 6px; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; }
.label-row label { margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input:not([type]), select {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 7px; outline: none;
}
input:focus, select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 20%, transparent); }
.code-input { font-size: 26px; letter-spacing: 10px; text-align: center; font-family: Consolas, Menlo, monospace; }
.hint { font-size: 12.5px; color: var(--muted); margin: 5px 0 0; }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; font-size: 13.5px; color: var(--muted); }
.check input { margin-top: 4px; }

.btn {
  display: inline-block; border: 0; border-radius: 7px; padding: 11px 18px; font: inherit; font-weight: 600;
  cursor: pointer; text-align: center;
}
.btn-primary { width: 100%; margin-top: 20px; background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 7px 14px; }
.btn-ghost:hover { border-color: var(--teal); }
.btn-link { background: none; border: 0; padding: 0; font: inherit; color: var(--teal); cursor: pointer; }
.btn-link:disabled { color: var(--muted); cursor: default; }
.btn-link.muted { color: var(--muted); }
.row-between { display: flex; justify-content: space-between; gap: 12px; margin: 16px 0 6px; font-size: 14px; }
.switch { text-align: center; margin: 20px 0 0; font-size: 14px; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: 7px; margin: 0 0 14px; font-size: 14px; }
.alert-error { background: var(--error-bg); color: var(--error-ink); }
.alert-success { background: var(--success-bg); color: var(--success-ink); }
.alert-info { background: var(--info-bg); color: var(--info-ink); }

/* App shell */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line);
}
.topbar-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.tenant-switch select { width: auto; padding: 6px 10px; }
.tenant-name { font-weight: 600; }
.user-name { color: var(--muted); }
.app-main { max-width: 980px; margin: 0 auto; padding: 28px 24px; }
.app-main > h1 { margin-bottom: 18px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px; }
.facts { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.tag { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--info-bg); color: var(--info-ink); margin-left: 6px; text-transform: capitalize; }

@media (max-width: 520px) {
  .card { padding: 22px 18px; }
  .topbar { padding: 10px 16px; }
  .app-main { padding: 20px 16px; }
  .facts { grid-template-columns: 1fr; gap: 2px; }
  .facts dd { margin-bottom: 10px; }
}

/* ===== App screens (v2) ===== */
.topbar-left { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.mainnav { display: flex; gap: 4px; }
.mainnav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); font-weight: 500; text-decoration: none; }
.mainnav a:hover { color: var(--ink); background: var(--bg); }
.mainnav a.active { color: var(--teal); background: color-mix(in srgb, var(--teal) 10%, transparent); }
.app-main { max-width: 1180px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs .sep { opacity: .5; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h1 { margin: 0 0 4px; }
.page-head p { margin: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-primary-inline { background: var(--teal); color: #fff; text-decoration: none !important; }
.btn-primary-inline:hover { background: var(--teal-dark); }
.btn-sm { padding: 5px 12px; font-size: 13.5px; }
.btn-block { width: 100%; margin-top: 8px; }
.btn-danger { background: var(--error-bg); color: var(--error-ink); border: 1px solid color-mix(in srgb, var(--error-ink) 30%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--error-ink) 18%, var(--error-bg)); }
a.btn { text-decoration: none; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters input[type=search] { flex: 1 1 260px; width: auto; padding: 8px 12px; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 7px; }
.filters select { width: auto; padding: 8px 10px; }

.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.panel-head h2 { margin: 0; }
.panel.flush { padding: 0; overflow: hidden; }
.empty { text-align: center; padding: 28px 16px; }
.empty p { margin: 6px 0; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted);
            padding: 10px 12px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 60%, var(--card)); }
.table td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: color-mix(in srgb, var(--teal) 4%, transparent); }
.panel:not(.flush) .table th:first-child, .panel:not(.flush) .table td:first-child { padding-left: 0; }
.num { text-align: right !important; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--bg); color: var(--muted); white-space: nowrap; }
.badge-active, .badge-approved, .badge-issued { background: var(--success-bg); color: var(--success-ink); }
.badge-on_hold, .badge-review, .badge-in_progress { background: #fdf3e2; color: #8a5a12; }
.badge-archived, .badge-superseded { background: var(--bg); color: var(--muted); }
.badge-completed { background: var(--info-bg); color: var(--info-ink); }
@media (prefers-color-scheme: dark) { .badge-on_hold, .badge-review, .badge-in_progress { background: #3a2c14; color: #f0c98a; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; display: flex; flex-direction: column; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--teal); }
.stat-label { color: var(--muted); font-size: 13px; }

.cols { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 18px; align-items: start; }
.facts.stacked { grid-template-columns: 1fr; gap: 2px; }
.facts.stacked dd { margin-bottom: 10px; }
.panel h3 { font-size: 14px; margin: 14px 0 4px; }
.pre { white-space: pre-wrap; margin: 0; }
.danger-zone h2 { font-size: 15px; }

.form .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form .span-2 { grid-column: span 2; }
.form .field label { margin-top: 12px; }
.form textarea { width: 100%; padding: 10px 12px; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 7px; resize: vertical; }
.form [aria-invalid=true] { border-color: var(--error-ink); }
.field-error { color: var(--error-ink); font-size: 13px; margin: 4px 0 0; }
.req { color: var(--error-ink); }
.form-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .cols { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .form .grid-2 { grid-template-columns: 1fr; }
  .form .span-2 { grid-column: auto; }
  .mainnav { order: 3; width: 100%; }
  .user-name { display: none; }
}

/* ===== Libraries (v3) ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 16px; }
.lib-card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: var(--ink); text-decoration: none !important; transition: border-color .15s, box-shadow .15s; }
.lib-card:hover { border-color: var(--teal); box-shadow: 0 2px 10px rgba(0,0,0,.05); }
.lib-card h2 { color: var(--teal); }
.lib-card p { font-size: 14px; margin: 0 0 14px; }
.lib-counts { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); }
.lib-counts b { color: var(--ink); }
.tag-std { background: #eef1f5; color: #4a5563; }
.tag-own { background: color-mix(in srgb, var(--amber) 16%, transparent); color: #8a4a0c; }
@media (prefers-color-scheme: dark) { .tag-std { background: #26303b; color: #b5c0cc; } .tag-own { color: #f3bf86; } }

details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
.add-box > summary, .edit-box > summary { font-weight: 600; color: var(--teal); }
details.add-box:not(.panel) { margin: 8px 0 4px; }
details.add-box:not(.panel)[open] { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
details.panel[open] > summary { margin-bottom: 6px; }
.dropdown { position: relative; }
.dropdown-body { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; width: 300px; background: var(--card); border: 1px solid var(--line);
                 border-radius: var(--radius); padding: 14px 16px; box-shadow: 0 8px 28px rgba(0,0,0,.12); }
.dropdown-body.wide { width: min(640px, calc(100vw - 32px)); }
.dropdown-body label:first-child, .dropdown-body .form .grid-4 .field:first-child label { margin-top: 0; }

.form .grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 14px; }
.form .span-3 { grid-column: span 3; }
.form .span-4 { grid-column: span 4; }
.form .grid-4 .span-2 { grid-column: span 2; }
.total-out { display: block; padding: 10px 0; font-weight: 700; font-size: 16px; }

.bill { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.bill-head, .section-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.bill-head h2 { margin: 0; font-size: 18px; }
.bill-desc { margin: 6px 0 0; }
.ref-section { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.section-head h3 { margin: 0 0 8px; font-size: 15px; }
.code { font-family: Consolas, Menlo, monospace; color: var(--teal); font-weight: 600; margin-right: 4px; }
.table.items td, .table.items th { padding: 7px 8px; }
.table.items th:first-child, .table.items td:first-child { padding-left: 0; }
tr.inactive td { opacity: .5; }
tr.edit-row > td { background: color-mix(in srgb, var(--teal) 5%, var(--card)) !important; padding: 14px 16px !important; }
tr.group-row td { background: color-mix(in srgb, var(--bg) 70%, var(--card)) !important; font-weight: 600; font-size: 13px; color: var(--muted); padding-top: 8px; padding-bottom: 8px; }
tr.group-row.stage td { color: var(--teal); font-size: 14px; text-transform: uppercase; letter-spacing: .04em; }
.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; max-width: 560px; }
form.inline { display: inline; }
.inline-right { display: flex; justify-content: flex-end; margin-top: 10px; }
.push-right { margin-left: auto; }
.flash-target { animation: flashbg 2s ease-out 1; }
@keyframes flashbg { from { background: color-mix(in srgb, var(--amber) 22%, transparent); } to { background: transparent; } }

@media (max-width: 760px) {
  .form .grid-4 { grid-template-columns: 1fr 1fr; }
  .form .span-3, .form .span-4, .form .grid-4 .span-2 { grid-column: span 2; }
}

/* ===== Cost documents (v4) ===== */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 0 0 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--muted); font-weight: 500; text-decoration: none; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a:hover { color: var(--ink); }
.tabs a.active { color: var(--teal); border-bottom-color: var(--teal); }
.tabs .tab-print { margin-left: auto; }
.doc-total { text-align: right; display: flex; flex-direction: column; }
.doc-total strong { font-size: 20px; color: var(--teal); font-variant-numeric: tabular-nums; }
.doc-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }

.doc-bill { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.table.boq { table-layout: fixed; }
.table.boq th, .table.boq td { padding: 7px 10px; }
.table.boq tr.bill-row th { background: color-mix(in srgb, var(--teal) 9%, var(--card)); color: var(--ink); text-transform: none; letter-spacing: 0; font-size: 15px; padding: 12px 10px; }
.table.boq tr.bill-desc-row td { background: color-mix(in srgb, var(--teal) 4%, var(--card)); }
.table.boq tr.col-head th { font-size: 11.5px; padding: 6px 10px; }
.table.boq tr.section-row td { background: color-mix(in srgb, var(--bg) 55%, var(--card)); padding-top: 10px; }
.table.boq tr.item-row td { font-size: 14px; }
.table.boq tr.excluded td { color: var(--muted); }
.table.boq tr.excluded td:nth-child(2) > :first-child, .table.boq tr.excluded .num { text-decoration: line-through; }
.table.boq tr.note-row td { font-style: italic; }
.table.boq tr.add-row td { padding: 4px 10px 8px; border-bottom: 0; }
.table.boq tr.add-row summary { font-size: 13px; color: var(--teal); font-weight: 500; padding: 4px 0; }
.table.boq tr.add-row details[open] { background: color-mix(in srgb, var(--teal) 4%, var(--card)); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px 12px; margin: 4px 0; }
.table.boq tfoot td { font-weight: 700; border-top: 2px solid var(--line); background: color-mix(in srgb, var(--bg) 40%, var(--card)); }
.table.boq td.ref { font-family: Consolas, Menlo, monospace; font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.table.boq td.tools, .table.boq th.tools { text-align: right; white-space: nowrap; }
.table.boq tbody tr:hover td { background: inherit; }
.table.boq tr.item-row:hover td { background: color-mix(in srgb, var(--teal) 4%, transparent); }
.line-tools { display: inline-flex; gap: 2px; opacity: .55; }
tr:hover .line-tools, .bill-row .line-tools { opacity: 1; }
.icon-btn { border: 1px solid transparent; background: none; border-radius: 5px; width: 26px; height: 26px; padding: 0; font-size: 14px; line-height: 1; color: var(--muted); cursor: pointer; }
.icon-btn:hover { border-color: var(--line); color: var(--ink); background: var(--card); }
.qty-note { color: var(--teal); }
.clamp { -webkit-line-clamp: 2; }
body.expand-desc .clamp { -webkit-line-clamp: unset; display: block; }

.form .grid-6 { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0 12px; }
.form .grid-6 .span-2 { grid-column: span 2; } .form .grid-6 .span-3 { grid-column: span 3; }
.form .grid-6 .span-4 { grid-column: span 4; } .form .grid-6 .span-5 { grid-column: span 5; } .form .grid-6 .span-6 { grid-column: span 6; }
.form .grid-6 p.span-6 { grid-column: span 6; margin: 4px 0 0; }
.form .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.item-form .field label { margin-top: 8px; font-size: 13px; }
.item-form input, .item-form select, .item-form textarea { padding: 7px 9px; font-size: 14px; }

.rate-search-wrap { position: relative; }
.rate-results { position: absolute; left: 0; right: 0; top: 100%; z-index: 30; background: var(--card); border: 1px solid var(--line); border-radius: 8px;
                box-shadow: 0 10px 30px rgba(0,0,0,.15); max-height: 320px; overflow-y: auto; }
.rr { display: grid; grid-template-columns: 90px 1fr auto; grid-template-areas: "code desc rate" "code src rate"; gap: 0 10px; width: 100%; text-align: left;
      border: 0; border-bottom: 1px solid var(--line); background: none; padding: 8px 12px; font: inherit; font-size: 13.5px; color: var(--ink); cursor: pointer; }
.rr:hover { background: color-mix(in srgb, var(--teal) 7%, transparent); }
.rr-code { grid-area: code; font-family: Consolas, Menlo, monospace; color: var(--teal); }
.rr-desc { grid-area: desc; } .rr-src { grid-area: src; font-size: 12px; color: var(--muted); }
.rr-rate { grid-area: rate; font-weight: 600; white-space: nowrap; align-self: center; }
.rr-empty { padding: 10px 12px; color: var(--muted); font-size: 13.5px; }

.totals-box { max-width: 460px; margin-left: auto; }
.table.totals td { padding: 6px 0; }
.table.totals tr.grand td, .summary-table tr.grand td { font-weight: 700; font-size: 16px; border-top: 2px solid var(--ink); }
.summary-table tfoot td { border-bottom: 0; }
.summary-table tr.sub td { font-weight: 600; border-top: 1px solid var(--line); }
.adj { border-bottom: 1px solid var(--line); padding: 8px 0; }
.adj.inactive { opacity: .55; }
.adj-head { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; }
.adj summary { color: var(--teal); margin-top: 2px; }

.choice-list { display: grid; gap: 8px; margin-bottom: 10px; }
.choice { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-weight: 400; margin: 0; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--teal); background: color-mix(in srgb, var(--teal) 5%, var(--card)); }
.choice input { margin-top: 4px; }
.choice-select { margin-top: 8px; max-width: 520px; }
.form h3 { margin: 22px 0 8px; font-size: 15px; }

.pick-tree { border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; max-height: 60vh; overflow-y: auto; }
.pick-bill { padding: 8px 0; border-bottom: 1px solid var(--line); }
.pick-bill:last-child { border-bottom: 0; }
.pick-sec { margin-left: 22px; padding: 4px 0; }
.pick-head, .pick-item { display: flex; gap: 8px; align-items: baseline; font-weight: 400; margin: 4px 0; font-size: 14px; cursor: pointer; }
.pick-item { margin-left: 22px; }
.pick-item.done { opacity: .5; }
.sticky-actions { position: sticky; bottom: 0; background: var(--card); padding: 10px 0 0; align-items: center; }

.narrative-body h3, .narrative-body h4, .narrative-body h5 { margin: 12px 0 4px; }
.narrative-body p { margin: 6px 0; }
.narrative.inactive { opacity: .6; }
.table tr.current td { background: color-mix(in srgb, var(--teal) 6%, transparent); }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 90%; }

@media (max-width: 860px) {
  .form .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form .grid-6 > * { grid-column: span 1 !important; }
  .form .grid-6 .span-4, .form .grid-6 .span-5, .form .grid-6 .span-6, .form .grid-6 .rate-search-wrap { grid-column: span 2 !important; }
  .table.boq { table-layout: auto; min-width: 680px; }
}
.table.boq th.num, .table.boq td.num { white-space: nowrap; }