/* Crane Billing — clean slate theme */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #cbd5e1;
  --primary: #0f172a;
  --primary-ink: #ffffff;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --green: #15803d;
  --green-soft: #dcfce7;
  --red: #b91c1c;
  --red-soft: #fee2e2;
  --amber: #b45309;
  --amber-soft: #fef3c7;
  --blue-soft: #dbeafe;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a.link { color: var(--accent); }
a.link:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 28px; font-weight: 750; letter-spacing: -.02em; }
h2 { font-size: 18px; font-weight: 650; }
h3 { font-size: 15px; font-weight: 650; }
p { margin: 0; }
.icon { flex: none; vertical-align: middle; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.mt { margin-top: 16px; } .mt-lg { margin-top: 28px; } .mb { margin-bottom: 16px; }
.hidden { display: none !important; }

/* ---------- Top bar ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.topbar-inner { max-width: 1400px; margin: 0 auto; padding: 0 20px; height: 60px; display: flex; align-items: center; gap: 18px; }
.brand { font-weight: 750; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.brand img { height: 30px; width: auto; }
.mainnav { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
.mainnav a { display: flex; align-items: center; gap: 7px; padding: 8px 11px; border-radius: 8px; color: var(--ink-2); white-space: nowrap; font-weight: 500; }
.mainnav a:hover { background: #f1f5f9; }
.mainnav a.active { background: var(--primary); color: var(--primary-ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--ink); }
.usermenu { position: relative; margin-left: auto; }
.usermenu summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); white-space: nowrap; }
.usermenu summary::-webkit-details-marker { display: none; }
.usermenu .menu { position: absolute; right: 0; top: calc(100% + 6px); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 30px rgba(15, 23, 42, .12); min-width: 210px; padding: 6px; z-index: 30; }
.usermenu .menu a, .usermenu .menu button { display: flex; width: 100%; gap: 8px; align-items: center; padding: 9px 10px; border-radius: 8px; background: none; border: 0; font: inherit; color: inherit; cursor: pointer; text-align: left; }
.usermenu .menu a:hover, .usermenu .menu button:hover { background: #f1f5f9; }
.usermenu .who { padding: 8px 10px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }

@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .mainnav { display: none; position: absolute; left: 0; right: 0; top: 60px; background: var(--surface); border-bottom: 1px solid var(--line); flex-direction: column; padding: 8px 12px 12px; }
  body.nav-open .mainnav { display: flex; }
}

/* ---------- Layout ---------- */
.container { max-width: 1400px; margin: 0 auto; padding: 28px 20px 60px; }
.narrow { max-width: 860px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 6px; font-size: 16px; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); margin-bottom: 14px; }
.back:hover { color: var(--ink); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 22px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.cols-2 { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.cols-3 { display: grid; gap: 18px; grid-template-columns: 2fr 1fr; }
@media (max-width: 900px) { .cols-2, .cols-3 { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; line-height: 1.2; }
.btn:hover { background: #f8fafc; border-color: #94a3b8; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { background: #1e293b; border-color: #1e293b; }
.btn-danger { color: var(--red); border-color: #fecaca; }
.btn-danger:hover { background: var(--red-soft); border-color: #fca5a5; }
.btn-green { background: var(--green); border-color: var(--green); color: #fff; }
.btn-green:hover { background: #166534; }
.btn-sm { padding: 7px 11px; font-size: 13px; border-radius: 8px; }
.btn-icon { padding: 8px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
form.inline { display: inline; }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > label, .label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.field .req { color: var(--red); }
.field .help { font-size: 12.5px; color: var(--muted); }
.field .err, .errorlist { color: var(--red); font-size: 13px; margin: 0; padding: 0; list-style: none; }
.input, select.input, textarea.input { width: 100%; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: var(--surface); font: inherit; color: var(--ink); min-height: 42px; }
textarea.input { min-height: 70px; resize: vertical; }
.input:focus { outline: 2px solid #93c5fd; outline-offset: 0; border-color: var(--accent); }
.input[readonly], .input[disabled], .readonly { background: #f1f5f9; color: var(--ink-2); }
.has-error .input { border-color: #f87171; }
.form-grid { display: grid; gap: 18px; grid-template-columns: repeat(12, 1fr); }
.span-12 { grid-column: span 12; } .span-8 { grid-column: span 8; } .span-6 { grid-column: span 6; }
.span-4 { grid-column: span 4; } .span-3 { grid-column: span 3; } .span-2 { grid-column: span 2; }
@media (max-width: 760px) { .form-grid > * { grid-column: span 12 !important; } }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; flex-wrap: wrap; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 500; cursor: pointer; }
.check input, .checklist input, .perm-grid input { width: 18px; height: 18px; accent-color: var(--primary); }
.checklist { background: #f8fafc; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.checklist ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.checklist label { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.section-title { font-size: 15px; font-weight: 650; margin: 26px 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.form-errors { background: var(--red-soft); border: 1px solid #fecaca; color: var(--red); padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.form-errors ul { margin: 0; padding-left: 18px; }

/* ---------- Filters / search ---------- */
.toolbar { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.search { position: relative; flex: 1; min-width: 240px; }
.search .icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input { padding-left: 42px; height: 46px; }
.toolbar select.input, .toolbar input[type=date].input { width: auto; height: 46px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 12px; padding: 4px; background: var(--surface); }
.seg a { padding: 8px 10px; border-radius: 9px; color: var(--muted); display: flex; }
.seg a.on { background: var(--primary); color: #fff; }

/* ---------- Cards for records ---------- */
.rec { padding: 22px; display: flex; flex-direction: column; gap: 14px; transition: border-color .15s; }
a.rec:hover, .rec.clickable:hover { border-color: #94a3b8; }
.rec-head { display: flex; gap: 14px; align-items: flex-start; }
.rec-icon { width: 48px; height: 48px; border-radius: 12px; background: #f1f5f9; display: grid; place-items: center; color: var(--ink-2); flex: none; }
.rec-icon.blue { background: var(--blue-soft); color: #1d4ed8; }
.rec-icon.green { background: var(--green-soft); color: var(--green); }
.rec-title { font-size: 17px; font-weight: 650; line-height: 1.3; }
.rec-sub { color: var(--muted); font-size: 14px; display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.rec-lines { border-top: 1px solid var(--line); padding-top: 14px; display: flex; flex-direction: column; gap: 8px; color: var(--ink-2); }
.rec-lines div { display: flex; gap: 10px; align-items: flex-start; }
.rec-lines .icon { color: var(--muted); margin-top: 2px; }
.rec-figs { border-top: 1px solid var(--line); padding-top: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.rec-figs .k { font-size: 13px; color: var(--muted); }
.rec-figs .v { font-weight: 650; font-variant-numeric: tabular-nums; }
.rec-figs .v.total { color: var(--green); font-size: 17px; }
.rec-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.badge-draft { background: #f1f5f9; color: var(--ink-2); border-color: var(--line); }
.badge-unpaid, .badge-overdue, .badge-bounced { background: var(--red-soft); color: var(--red); }
.badge-partly, .badge-received, .badge-deposited { background: var(--amber-soft); color: var(--amber); }
.badge-paid, .badge-cleared, .badge-active { background: var(--green-soft); color: var(--green); }
.badge-cancelled, .badge-inactive, .badge-out { background: #f1f5f9; color: var(--muted); text-decoration: line-through; }
.badge-maintenance { background: var(--amber-soft); color: var(--amber); }
.badge-invoice { background: var(--accent-soft); color: var(--accent); border-color: #bfdbfe; }
.badge-payment { background: #f0fdf4; color: var(--green); border-color: #bbf7d0; }
.badge-role { background: #f1f5f9; color: var(--ink-2); }
.badge-admin { background: var(--primary); color: #fff; }
.badge-locked { background: var(--red-soft); color: var(--red); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 14px 16px; background: #f8fafc; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table th.num { text-align: right; }
.table td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tbody tr:hover { background: #fbfdff; }
.table tr.muted-row td { color: var(--muted); }
.table tr.struck td { text-decoration: line-through; color: var(--muted); }
.table tfoot td { background: var(--primary); color: #fff; font-weight: 650; border: 0; }
.table tfoot .in { color: #fff; } .table tfoot .out { color: #86efac; } .table tfoot .bal { color: #fde68a; }
.table .amount-out { color: var(--green); }
.table .actions { text-align: right; white-space: nowrap; }
.table .actions .btn { margin-left: 4px; }
.card > .table-wrap > .table tr:last-child td { border-bottom: 0; }
.table td.opening { font-style: italic; color: var(--muted); }

/* ---------- Stat tiles ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat { padding: 18px 20px; }
.stat .k { color: var(--muted); font-size: 13.5px; font-weight: 500; }
.stat .v { font-size: 26px; font-weight: 750; letter-spacing: -.02em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat .s { color: var(--muted); font-size: 13px; margin-top: 2px; }
.stat.red .v { color: var(--red); } .stat.green .v { color: var(--green); }

/* ---------- Messages ---------- */
.messages { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.msg { padding: 12px 16px; border-radius: 10px; border: 1px solid; display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.msg-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.msg-error { background: var(--red-soft); border-color: #fecaca; color: var(--red); }
.msg-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.msg-info { background: var(--accent-soft); border-color: #bfdbfe; color: #1e40af; }
.msg button { background: none; border: 0; cursor: pointer; color: inherit; opacity: .6; }

/* ---------- Invoice editor ---------- */
.billto { background: #f8fafc; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.billto .k { color: var(--muted); font-size: 13px; }
.billto .name { font-weight: 700; font-size: 16px; margin: 4px 0 2px; }
.item { border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 14px; position: relative; background: var(--surface); }
.item.deleted { display: none; }
.item-grid { display: grid; gap: 14px; grid-template-columns: repeat(12, 1fr); }
.item-grid .c3 { grid-column: span 3; } .item-grid .c6 { grid-column: span 6; } .item-grid .c2 { grid-column: span 2; }
.item-grid .c1 { grid-column: span 1; }
.item .no { position: absolute; top: -11px; left: 14px; background: var(--surface); padding: 0 6px; font-size: 12px; color: var(--muted); font-weight: 600; }
.item .calc { background: #f1f5f9; border-radius: var(--radius-sm); min-height: 42px; display: flex; align-items: center; padding: 0 12px; font-weight: 650; font-variant-numeric: tabular-nums; }
.item .remove { display: flex; align-items: flex-end; justify-content: center; }
@media (max-width: 1000px) { .item-grid > * { grid-column: span 6 !important; } }
@media (max-width: 600px) { .item-grid > * { grid-column: span 12 !important; } }
.summary { background: linear-gradient(135deg, #0f172a, #1e293b); color: #e2e8f0; border-radius: 16px; padding: 22px 24px; margin-top: 22px; }
.summary h3 { color: #fff; display: flex; gap: 8px; align-items: center; margin-bottom: 14px; }
.summary .row { display: flex; justify-content: space-between; padding: 6px 0; font-variant-numeric: tabular-nums; }
.summary .row.total { border-top: 1px solid #334155; margin-top: 8px; padding-top: 14px; color: #fff; font-size: 22px; font-weight: 750; }

/* ---------- Detail lists ---------- */
.dl { display: grid; grid-template-columns: 150px 1fr; gap: 8px 14px; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; font-weight: 500; }
.totals { margin-left: auto; width: min(360px, 100%); }
.totals .row { display: flex; justify-content: space-between; padding: 6px 0; font-variant-numeric: tabular-nums; }
.totals .row.grand { border-top: 2px solid var(--ink); margin-top: 6px; padding-top: 10px; font-weight: 750; font-size: 18px; }
.totals .row.bal { color: var(--red); font-weight: 650; }
.totals .row.paidrow { color: var(--green); }
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 16px; border-radius: 10px; background: #fffbeb; border: 1px solid #fde68a; color: #92400e; margin-bottom: 16px; }
.notice.info { background: var(--accent-soft); border-color: #bfdbfe; color: #1e40af; }
.notice.danger { background: var(--red-soft); border-color: #fecaca; color: var(--red); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 22px; overflow-x: auto; }
.tabs a { padding: 10px 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; font-weight: 500; }
.tabs a.on { color: var(--ink); border-color: var(--ink); }

/* ---------- Permission grid ---------- */
.perm-grid th, .perm-grid td { text-align: center; }
.perm-grid th:first-child, .perm-grid td:first-child { text-align: left; }
.perm-grid td.na { color: var(--line-2); }
.perm-grid.locked input { pointer-events: none; opacity: .55; }

/* ---------- Pagination ---------- */
.pager { display: flex; gap: 6px; justify-content: center; align-items: center; margin-top: 24px; }
.pager a, .pager span { padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); }
.pager span.cur { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(circle at 20% 0%, #e2e8f0, transparent 50%), var(--bg); }
.login-card { width: min(420px, 100%); padding: 34px 32px; }
.login-card .logo { text-align: center; margin-bottom: 18px; }
.login-card .logo img { max-height: 70px; max-width: 220px; }
.login-card h1 { font-size: 22px; text-align: center; }
.login-card .sub { color: var(--muted); text-align: center; margin: 6px 0 24px; }

/* ---------- Empty states ---------- */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty .icon { color: var(--line-2); margin-bottom: 10px; }
.empty h3 { color: var(--ink); margin-bottom: 6px; }

/* ---------- Audit ---------- */
.changes { font-size: 12.5px; color: var(--ink-2); margin: 0; padding: 0; list-style: none; }
.changes li { padding: 1px 0; }
.changes .from { color: var(--red); text-decoration: line-through; }
.changes .to { color: var(--green); }
details.more summary { cursor: pointer; color: var(--accent); font-size: 13px; }

@media print {
  .topbar, .page-head .actions, .toolbar, .pager, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; }
}