:root {
  --ink: #17202a;
  --muted: #6b7682;
  --line: #e3e7eb;
  --bg: #f4f6f8;
  --card: #fff;
  --brand: #0f3d5e;
  --brand-2: #1b6aa5;
  --accent: #1b6aa5;
  --green: #1f7a4d;
  --green-bg: #e3f4ea;
  --red: #b42318;
  --red-bg: #fde8e6;
  --amber: #8a5a00;
  --amber-bg: #fff3d6;
  --blue-bg: #e5f0fa;
  --grey-bg: #eef0f2;
  --radius: 8px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { font-size: 14px; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Arial, sans-serif;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 .8rem; }
h3 { font-size: .95rem; margin: 1.2rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
code { font-family: var(--mono); font-size: .85em; background: var(--grey-bg); padding: 1px 5px; border-radius: 4px; }
code[data-copy] { cursor: copy; }
code.copied { background: var(--green-bg); color: var(--green); }
.mono { font-family: var(--mono); font-size: .92em; }
.muted { color: var(--muted); }
.small, small { font-size: .86em; }
.red { color: var(--red); }
.r { text-align: right; }
.nowrap { white-space: nowrap; }
.dim { opacity: .55; }

/* layout */
.shell { display: flex; min-height: 100vh; }
.side {
  width: 220px; flex: 0 0 220px; background: var(--brand); color: #cfe0ee;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: .6rem; padding: 1.1rem 1.1rem 1rem; color: #fff; font-size: 1.05rem; text-decoration: none !important; }
.brand b { font-weight: 800; }
.brand-mark { width: 30px; height: 30px; border-radius: 7px; background: #fff; color: var(--brand); display: grid; place-items: center; font-weight: 800; }
.brand-lg { color: var(--brand); justify-content: center; font-size: 1.3rem; margin-bottom: 1rem; }
.brand-lg .brand-mark { background: var(--brand); color: #fff; }
.side nav { display: flex; flex-direction: column; padding: .3rem .6rem; gap: 2px; flex: 1; }
.side nav a { color: #cfe0ee; padding: .5rem .7rem; border-radius: 6px; text-decoration: none; }
.side nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.side nav a.active { background: rgba(255,255,255,.15); color: #fff; font-weight: 600; }
.nav-sep { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: #8fb0c9; padding: 1rem .7rem .3rem; }
.me { padding: .9rem 1.1rem; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-direction: column; gap: 2px; }
.me a { color: #fff; font-weight: 600; }
.me small { color: #8fb0c9; }
.me .link { color: #cfe0ee; padding: 0; margin-top: .3rem; }
.main { flex: 1; min-width: 0; padding: 1.6rem 2rem 4rem; max-width: 1400px; }
.burger { display: none; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.page-head p { margin: .3rem 0 0; }
.btns { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
.grid2.wide-left { grid-template-columns: 1.6fr 1fr; }
.grid2 > * { min-width: 0; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem; margin-bottom: 1rem; }
.card.flush { padding: 0; overflow-x: auto; }
.card.narrow, form.narrow { max-width: 720px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.card-head h2 { margin: 0; }
.card.help { font-size: .93rem; }
.card.help p { margin: 0 0 .7rem; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; color: var(--ink); text-decoration: none !important; }
.stat span { display: block; color: var(--muted); font-size: .88rem; }
.stat b { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.stat:hover { border-color: var(--brand-2); }
.stat-alert b { color: var(--red); }
.notice { display: flex; gap: 1.5rem; flex-wrap: wrap; background: var(--amber-bg); color: var(--amber); border-radius: var(--radius); padding: .7rem 1rem; margin-bottom: 1rem; }
.notice a { color: var(--amber); }

/* tables */
.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; padding: .6rem .8rem; border-bottom: 1px solid var(--line); background: #fafbfc; }
.table th.r { text-align: right; }
.table td { padding: .6rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #fafcfe; }
.card:not(.flush) .table td:first-child, .card:not(.flush) .table th:first-child { padding-left: 0; }
.table.small td { padding: .4rem .6rem; font-size: .9em; }
.table td.details code { white-space: pre-wrap; word-break: break-word; }

.dl { display: grid; grid-template-columns: 140px 1fr; gap: .45rem 1rem; margin: 0; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; word-break: break-word; }
.vars { display: grid; grid-template-columns: auto 1fr; gap: .3rem .8rem; margin: 0 0 .5rem; align-items: baseline; }
.vars dd { margin: 0; color: var(--muted); }
.notes { background: var(--grey-bg); border-radius: 6px; padding: .6rem .8rem; margin: .8rem 0 0; }
ul.plain { margin: 0; padding-left: 1.1rem; }

/* badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; vertical-align: middle; }
.badge-grey { background: var(--grey-bg); color: #4a5560; }
.badge-blue { background: var(--blue-bg); color: var(--brand-2); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }

/* forms */
.form label, label { display: flex; flex-direction: column; gap: .3rem; font-size: .88rem; color: #3b4652; margin-bottom: .8rem; }
.form label > span { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
input, select, textarea {
  font: inherit; font-size: .95rem; color: var(--ink); background: #fff;
  border: 1px solid #cdd3d9; border-radius: 6px; padding: .5rem .65rem; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(27,106,165,.25); border-color: var(--brand-2); }
input[type=checkbox] { width: auto; }
input[type=file] { padding: .35rem; }
input.readonly, input[readonly] { background: var(--grey-bg); }
label.check { flex-direction: row; align-items: center; gap: .5rem; color: var(--ink); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset[disabled] { opacity: .7; }
.row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: flex-end; }
.row > label, .row > div { flex: 1 1 140px; }
.row > .grow { flex: 3 1 220px; }
.row.inline { align-items: center; }
.row.inline > * { flex: 0 1 auto; margin-bottom: 0; }
.row.inline select, .row.inline input[type=file] { width: auto; max-width: 320px; }
.card-head .row.inline { flex-wrap: nowrap; }
.row.inline > label.grow { flex: 1 1 260px; }
.actions { display: flex; gap: .5rem; margin-top: .4rem; flex-wrap: wrap; }
.sticky-actions { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--bg) 35%); padding: 1rem 0 .6rem; }
.input-btn { display: flex; gap: .4rem; }
.input-btn input { flex: 1; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 1rem; }
.fields label.need input { border-color: #e0a100; background: #fffbea; }
.form.compact label { margin-bottom: .5rem; }
.filters { display: flex; gap: .6rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filters input[type=search] { max-width: 380px; }
.filters select { width: auto; }
.filters label.check { margin: 0; }

.btn {
  display: inline-flex; align-items: center; gap: .3rem; font: inherit; font-size: .92rem; font-weight: 600;
  padding: .5rem .9rem; border-radius: 6px; border: 1px solid #cdd3d9; background: #fff; color: var(--ink);
  cursor: pointer; text-decoration: none !important; white-space: nowrap;
}
.btn:hover { border-color: var(--brand-2); }
.btn-primary { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn-primary:hover { background: var(--brand); }
.btn-danger { color: var(--red); border-color: #f0b4ae; }
.btn-danger:hover { background: var(--red-bg); border-color: var(--red); }
.btn-sm { padding: .3rem .6rem; font-size: .85rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: wait; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; }
button.link.red { color: var(--red); }

details > summary { cursor: pointer; }
details.inline-edit { position: relative; }
details.inline-edit > summary { list-style: none; color: var(--accent); font-size: .88rem; }
details.inline-edit[open] > form, details.inline-edit[open] > form + form { position: relative; }
details.inline-edit[open] {
  position: absolute; right: 1rem; z-index: 5; width: min(520px, 90vw); background: #fff; text-align: left;
  border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; box-shadow: 0 10px 30px rgba(15,61,94,.15);
}
.add-box { margin-top: .8rem; }
.add-box > summary { list-style: none; }
.add-box[open] > summary { margin-bottom: .8rem; }
.tpl-edit { border: 1px solid var(--line); border-radius: 6px; padding: .6rem .8rem; margin-bottom: .5rem; }
.tpl-edit[open] summary { margin-bottom: .6rem; }
.tpl-edit textarea { font-family: var(--mono); font-size: .88rem; }

/* tabs */
.tabs { display: flex; gap: .2rem; border-bottom: 1px solid var(--line); margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.tabs a { padding: .55rem .9rem; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; text-decoration: none; }
.tabs a.active, .tabs a:hover { color: var(--ink); border-bottom-color: var(--brand-2); }
.tabs-search { margin-left: auto; padding-bottom: .3rem; }
.tabs-search input { width: 220px; padding: .35rem .6rem; }

/* flash */
.flash { padding: .7rem 1rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid transparent; }
.flash-ok { background: var(--green-bg); color: var(--green); border-color: #bfe3cd; }
.flash-error { background: var(--red-bg); color: var(--red); border-color: #f5c2bd; }
.flash-warn { background: var(--amber-bg); color: var(--amber); border-color: #f1dca2; }
.flash-float { position: fixed; top: 1rem; left: 50%; transform: translateX(-50%); z-index: 10; min-width: 300px; text-align: center; }

/* UR */
.ur-box { background: var(--blue-bg); border-radius: 6px; padding: .8rem 1rem .2rem; margin-bottom: 1rem; }
.ur-results { display: flex; flex-direction: column; gap: 4px; margin-bottom: .6rem; font-size: .9rem; }
.ur-item { text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: .45rem .7rem; cursor: pointer; font: inherit; }
.ur-item:hover { border-color: var(--brand-2); }

.client-check { margin: -.3rem 0 .9rem; padding: .5rem .7rem; border-radius: 6px; background: var(--grey-bg); font-size: .9rem; }
.client-check.ok { background: var(--green-bg); color: var(--green); }
.client-check.bad { background: var(--red-bg); color: var(--red); }
.client-check.bad label.check { margin: .4rem 0 0; color: var(--ink); }

/* invoice drop */
.drop { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; border: 2px dashed #b9c6d2; background: #fbfcfd; }
.drop > div { flex: 1 1 300px; }
.drop input[type=file] { width: auto; flex: 0 1 300px; }
.drop.over { border-color: var(--brand-2); background: var(--blue-bg); }

/* login */
body.bare { background: linear-gradient(160deg, #0f3d5e, #1b6aa5); min-height: 100vh; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(380px, 100%); padding: 2rem; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.empty-state { text-align: center; padding: 4rem 1rem; }
.empty-state h1 { font-size: 3rem; color: var(--brand); }

@media (max-width: 960px) {
  .grid2, .grid2.wide-left { grid-template-columns: 1fr; }
  .side { position: fixed; left: -240px; z-index: 20; transition: left .2s; }
  .side.open { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .main { padding: 1rem; }
  .burger { display: inline-block; background: var(--brand); color: #fff; border: 0; border-radius: 6px; padding: .4rem .7rem; font-size: 1.1rem; margin-bottom: .8rem; cursor: pointer; }
  .dl { grid-template-columns: 1fr; gap: 0; }
  .dl dt { margin-top: .5rem; }
  .tabs-search { margin-left: 0; width: 100%; }
  .tabs-search input { width: 100%; }
}