:root {
  --ink: #12324a;
  --ink-2: #1f4a68;
  --text: #17212b;
  --muted: #5d6b78;
  --line: #dde3e9;
  --bg: #f3f5f7;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-2: #14b8a6;
  --pos: #15803d;
  --pos-bg: #e8f6ec;
  --neg: #b42318;
  --neg-bg: #fdecea;
  --ref: #a15c07;
  --ref-bg: #fdf3e2;
  --pend: #475467;
  --pend-bg: #eef1f4;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; color: var(--ink); }
h1 { font-size: 1.45rem; } h2 { font-size: 1.1rem; } h3 { font-size: .98rem; }
.h-sm { font-size: 1.2rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: var(--mono); font-size: .92em; letter-spacing: .01em; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
input::placeholder { text-transform: none; }

/* ---------- layout ---------- */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--ink); color: #cfe0ec; padding: 18px 14px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.side .brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; color: #fff; font-weight: 650; letter-spacing: .2px; }
.side .brand img, .side .brand .mark { width: 30px; height: 30px; border-radius: 7px; object-fit: contain; background: #fff; }
.side .brand .mark { display: grid; place-items: center; background: var(--accent-2); color: var(--ink); font-weight: 800; }
.side a.nav { color: #cfe0ec; text-decoration: none; padding: 9px 10px; border-radius: 8px; display: flex; gap: 10px; align-items: center; }
.side a.nav:hover { background: rgba(255,255,255,.07); color: #fff; }
.side a.nav.active { background: rgba(94, 234, 212, .14); color: #fff; box-shadow: inset 3px 0 0 var(--accent-2); }
.side .grow { flex: 1; }
.side .who { font-size: .82rem; border-top: 1px solid rgba(255,255,255,.12); padding: 12px 8px 0; color: #9fb7c9; }
.side .who b { color: #fff; display: block; font-weight: 600; }
.side .mode { margin: 8px; font-size: .75rem; padding: 6px 8px; border-radius: 6px; background: #fef3c7; color: #7a4a00; }
.main { padding: 26px 30px 60px; max-width: 1200px; width: 100%; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.topbar .sub { color: var(--muted); font-size: .9rem; }
.mobile-bar { display: none; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.card + .card, .stack-lg > * + * { margin-top: 16px; }
.card h2 { margin-bottom: 12px; }
.card-h { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.card-h h2 { margin: 0; }
.narrow { max-width: 420px; width: 100%; }
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: linear-gradient(160deg, #0f2a3d 0%, #12324a 45%, #0f766e 140%); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; align-items: start; }
.stack > * + * { margin-top: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }

/* ---------- forms ---------- */
label { display: block; font-size: .85rem; font-weight: 600; color: #34414d; }
label .hint { font-weight: 400; color: var(--muted); }
input, select, textarea {
  display: block; width: 100%; margin-top: 5px; font: inherit; color: var(--text);
  padding: 9px 11px; border: 1px solid #c9d2db; border-radius: 8px; background: #fff;
}
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(20,184,166,.35); border-color: var(--accent); }
label.check { display: flex; gap: 9px; align-items: flex-start; font-weight: 500; }
label.check input { width: auto; margin-top: 3px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form-grid .full { grid-column: 1 / -1; }

.btn { font: inherit; font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 8px 14px; border-radius: 8px; border: 1px solid #c9d2db; background: #fff; color: var(--text); cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { background: #f5f7f9; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #0c625b; }
.btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.danger { color: var(--neg); border-color: #f1c4bf; }
.btn.danger:hover { background: var(--neg-bg); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.sm { padding: 5px 10px; font-size: .82rem; }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn.block { width: 100%; }

/* ---------- chips / alerts ---------- */
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 700; padding: 3px 9px; border-radius: 99px; white-space: nowrap; letter-spacing: .2px; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip.positive { color: var(--pos); background: var(--pos-bg); }
.chip.negative { color: var(--neg); background: var(--neg-bg); }
.chip.refer { color: var(--ref); background: var(--ref-bg); }
.chip.pending, .chip.open { color: var(--pend); background: var(--pend-bg); }
.chip.completed { color: var(--ink-2); background: #e3edf5; }
.chip.error { color: var(--neg); background: #fff; border: 1px solid #f1c4bf; }
.alert { padding: 11px 13px; border-radius: 8px; font-size: .9rem; margin-top: 14px; }
.alert.ok { background: var(--pos-bg); color: #0d5a2a; }
.alert.err { background: var(--neg-bg); color: #8a1b12; }
.alert.warn { background: var(--ref-bg); color: #6b3d05; }
.alert.info { background: #e8f1f8; color: var(--ink); }

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.kpi .v { font-size: 1.6rem; font-weight: 750; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi .l { font-size: .8rem; color: var(--muted); }
.kpi.pos .v { color: var(--pos); } .kpi.neg .v { color: var(--neg); } .kpi.ref .v { color: var(--ref); }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
table.t { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.t th { text-align: left; font-size: .76rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 650; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.t td { padding: 10px; border-bottom: 1px solid #edf0f3; vertical-align: middle; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: #f7fafb; }
table.t .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar { height: 8px; border-radius: 99px; background: var(--pend-bg); overflow: hidden; display: flex; min-width: 90px; }
.bar i { display: block; height: 100%; }
.bar .p { background: var(--pos); } .bar .r { background: #e0a43a; } .bar .n { background: var(--neg); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters input, .filters select { width: auto; margin: 0; min-width: 150px; }
.filters input[type=search] { flex: 1; min-width: 200px; }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; font-size: .85rem; color: var(--muted); }
.empty { text-align: center; padding: 30px 10px; color: var(--muted); }

/* ---------- case page ---------- */
.case-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.case-head .ref { font-family: var(--mono); color: var(--muted); font-size: .85rem; }
.case-head h1 { margin: 2px 0 6px; }
dl.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 10px; margin: 0; font-size: .9rem; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }

.doc { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.doc + .doc { margin-top: 12px; }
.doc .dh { display: flex; align-items: center; gap: 10px; padding: 12px 14px; flex-wrap: wrap; }
.doc .dh .t { font-weight: 650; color: var(--ink); }
.doc .dh .id { font-family: var(--mono); font-size: .85rem; color: var(--muted); }
.doc.positive { border-left: 4px solid var(--pos); }
.doc.negative { border-left: 4px solid var(--neg); }
.doc.refer { border-left: 4px solid #e0a43a; }
.doc.error { border-left: 4px solid var(--neg); }
.doc .db { padding: 0 14px 14px; }
.doc ul.reasons { margin: 0 0 10px; padding-left: 18px; font-size: .88rem; }
.doc details summary { cursor: pointer; font-size: .85rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.doc table.kv2 { font-size: .86rem; border-collapse: collapse; width: 100%; }
.doc table.kv2 th { text-align: left; font-weight: 500; color: var(--muted); padding: 4px 10px 4px 0; width: 42%; vertical-align: top; }
.doc table.kv2 td { padding: 4px 0; overflow-wrap: anywhere; }
.doc .actions { display: flex; gap: 6px; flex-wrap: wrap; padding: 10px 14px; background: #fafbfc; border-top: 1px solid #edf0f3; }
.doc .remark { font-size: .86rem; background: #f6f8fa; border-radius: 6px; padding: 7px 10px; margin-bottom: 10px; }
.score { font-variant-numeric: tabular-nums; font-size: .8rem; color: var(--muted); }

.add-doc .types { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-bottom: 12px; }
.add-doc .types button { font: inherit; font-size: .85rem; text-align: left; border: 1px solid var(--line); background: #fff; padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.add-doc .types button:hover { border-color: var(--accent); }
.add-doc .types button.on { border-color: var(--accent); background: #eaf7f5; color: var(--accent); font-weight: 650; }
.sticky { position: sticky; top: 16px; }

.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
.btn:not(.primary):not(.dark) .spinner { border-color: #c9d2db; border-top-color: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; text-decoration: none; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.on { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- dialog / toast ---------- */
dialog { border: none; border-radius: 12px; padding: 0; width: min(520px, calc(100vw - 32px)); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(15, 30, 45, .45); }
dialog form { padding: 20px; }
dialog h2 { margin-bottom: 12px; }
dialog .row.end { margin-top: 16px; }
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; font-size: .9rem; opacity: 0; pointer-events: none; transition: .2s; z-index: 50; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; transform: translateX(-50%); }
#toast.err { background: var(--neg); }
pre.raw { background: #0f1b26; color: #d6e6f2; font-size: .78rem; padding: 12px; border-radius: 8px; max-height: 60vh; overflow: auto; }

/* ---------- login ---------- */
.login-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; }
.login-brand img, .login-brand .mark { width: 42px; height: 42px; border-radius: 10px; object-fit: contain; }
.login-brand .mark { background: var(--ink); display: grid; place-items: center; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cols { grid-template-columns: 1fr; }
  .sticky { position: static; order: -1; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 30% 0 0; z-index: 40; transform: translateX(-102%); transition: transform .2s; height: 100%; }
  .side.open { transform: none; box-shadow: 0 0 0 100vmax rgba(0,0,0,.35); }
  .mobile-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--ink); color: #fff; position: sticky; top: 0; z-index: 30; }
  .mobile-bar button { background: none; border: 0; color: #fff; font-size: 1.4rem; line-height: 1; padding: 4px; cursor: pointer; }
  .main { padding: 16px 16px 60px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2, .form-grid, .grid-3 { grid-template-columns: 1fr; }
  .add-doc .types { grid-template-columns: 1fr 1fr; }
  dl.kv { grid-template-columns: 110px 1fr; }
  table.t .hide-sm { display: none; }
}

/* ---------- request form ---------- */
.req-form { max-width: 860px; }
.req-form > .card + .card { margin-top: 16px; }
.step { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: #fff; font-size: .8rem; margin-right: 6px; vertical-align: 1px; }
.type-picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; margin-bottom: 14px; }
.type-btn { font: inherit; font-size: .88rem; text-align: left; display: flex; gap: 8px; align-items: center; padding: 10px 12px; border: 1px dashed #b9c4ce; border-radius: 9px; background: #fff; cursor: pointer; color: var(--text); }
.type-btn:hover { border-color: var(--accent); border-style: solid; }
.type-btn .plus { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #eaf7f5; color: var(--accent); font-weight: 800; flex: none; }
.type-btn.on { border-style: solid; border-color: var(--accent); background: #f2fbf9; }
fieldset.entry { position: relative; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 12px 14px 14px; margin: 0 0 12px; background: #fcfdfd; }
fieldset.entry legend { font-weight: 700; color: var(--ink); padding: 0 6px; }
fieldset.entry .entry-no { display: inline-grid; place-items: center; min-width: 20px; height: 20px; border-radius: 50%; background: var(--accent); color: #fff; font-size: .75rem; margin-right: 4px; }
.entry-x { position: absolute; top: -13px; right: 10px; color: var(--neg); background: #fff; border: 1px solid #f1c4bf; padding: 2px 8px; }
.submit-bar { position: sticky; bottom: 0; display: flex; gap: 10px; align-items: center; justify-content: flex-end; flex-wrap: wrap; margin-top: 16px; padding: 12px 16px; background: rgba(255,255,255,.96); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 -4px 16px rgba(16,24,40,.06); z-index: 5; }
.submit-bar #submitHint { margin-right: auto; }

/* ---------- admin: API & documents ---------- */
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mode-opt { border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.mode-opt input { width: auto; margin-top: 4px; }
.mode-opt b { display: block; color: var(--ink); }
.mode-opt.on { border-color: var(--accent); background: #f2fbf9; }
.doc-rows .dr { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid #edf0f3; flex-wrap: wrap; }
.doc-rows .dr:last-child { border-bottom: 0; }
.doc-rows .dr .nm { flex: 1; min-width: 180px; }
.switch { position: relative; width: 40px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span { position: absolute; inset: 0; border-radius: 99px; background: #c9d2db; transition: .15s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(18px); }
.switch input:focus-visible + span { outline: 2px solid rgba(20,184,166,.5); }
textarea.code { font-family: var(--mono); font-size: .8rem; min-height: 300px; white-space: pre; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; margin-top: 8px; }
.check-grid label.check { font-size: .88rem; }
dialog.wide { width: min(760px, calc(100vw - 32px)); }
@media (max-width: 760px) {
  .mode-switch, .check-grid { grid-template-columns: 1fr; }
  .submit-bar #submitHint { width: 100%; }
  .type-picker { grid-template-columns: 1fr 1fr; }
}

/* ---------- billing ---------- */
.kpis-8 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpis-8 .kpi .v { font-size: 1.35rem; }
.kpi.ref .v { color: var(--ref); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.seg a { padding: 7px 14px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: .88rem; }
.seg a + a { border-left: 1px solid var(--line); }
.seg a.on { background: var(--ink); color: #fff; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart .grid-l { stroke: #edf0f3; }
svg.chart .zero-l { stroke: #b9c4ce; }
svg.chart .ax { font-size: 11px; fill: var(--muted); font-family: var(--font); }
svg.chart .b-rev { fill: var(--accent); }
svg.chart .b-cost { fill: #e0a43a; }
svg.chart .l-profit { fill: none; stroke: var(--ink); stroke-width: 2; }
svg.chart .d-profit { fill: var(--ink); }
svg.chart g:hover rect.b-rev, svg.chart g:hover rect.b-cost { opacity: .8; }
.legend { display: flex; gap: 14px; color: var(--muted); }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.legend .sw.rev { background: var(--accent); } .legend .sw.cost { background: #e0a43a; } .legend .sw.prof { background: var(--ink); height: 3px; vertical-align: 3px; }
table.t tr.tot td { font-weight: 700; border-top: 2px solid var(--line); }
.neg-t { color: var(--neg); }
.cost-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px 14px; }
.email-opts input:not([type=checkbox]) { margin-top: 4px; }
#priceForm > .card + .card { margin-top: 16px; }
@media (max-width: 1100px) { .kpis-8 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }