/* ARB Control — giao diện. Màu chỉ dùng khi mang nghĩa: lời / lỗ / chờ duyệt / mạng. */
:root {
  --bg: #EEF1F4;
  --surface: #FFFFFF;
  --surface-2: #F5F7F9;
  --ink: #17212B;
  --ink-2: #4B5967;
  --ink-3: #7C8996;
  --line: #D6DCE2;
  --line-2: #E6EAEE;
  --primary: #1E3A5A;
  --primary-hover: #16304B;
  --on-primary: #FFFFFF;
  --pos: #0E7F45;
  --pos-bg: #E2F3EA;
  --neg: #C53030;
  --neg-bg: #FBE8E8;
  --warn: #92600A;
  --warn-bg: #FFF0D2;
  --info: #2E6BD8;
  --info-bg: #E6EEFC;
  --focus: #2E6BD8;
  --row-hover: #F4F7FA;
  --radius: 6px;
  --radius-sm: 4px;
  --font: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #11181F;
  --surface: #172029;
  --surface-2: #1C2631;
  --ink: #E3E9EF;
  --ink-2: #A7B4C1;
  --ink-3: #7B8995;
  --line: #2B3743;
  --line-2: #222D38;
  --primary: #C9DBEE;
  --primary-hover: #DCE8F5;
  --on-primary: #10202F;
  --pos: #45C483;
  --pos-bg: #143024;
  --neg: #FF7A7A;
  --neg-bg: #3A1C1E;
  --warn: #F2B65C;
  --warn-bg: #3A2B13;
  --info: #7FB0FF;
  --info-bg: #1B2C47;
  --focus: #7FB0FF;
  --row-hover: #1B2530;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 var(--font);
  color: var(--ink);
  background: var(--bg);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--info); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--ink-3); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.zero { color: var(--ink-2); }
.warn { color: var(--warn); }
.offscreen { position: fixed; left: -9999px; top: 0; }
.loading { color: var(--ink-3); padding: 24px 0; }

/* ---------- thanh trên ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  height: 56px; padding: 0 24px;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.brand-mark { width: 22px; height: 22px; flex: none; }
.brand-mark rect { fill: var(--primary); }
.brand-mark path { fill: none; stroke: var(--on-primary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav a {
  padding: 8px 12px; border-radius: var(--radius-sm);
  color: var(--ink-2); text-decoration: none; white-space: nowrap; font-weight: 500;
}
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.nav a.active { color: var(--ink); background: var(--surface-2); box-shadow: inset 0 -2px 0 var(--primary); }
.badge {
  display: inline-block; min-width: 18px; margin-left: 6px; padding: 0 6px;
  border-radius: 9px; background: var(--warn-bg); color: var(--warn);
  font-size: 12px; font-weight: 600; text-align: center; line-height: 18px;
}
.who { margin-left: auto; display: flex; align-items: center; gap: 14px; color: var(--ink-2); white-space: nowrap; }
.who-name { color: var(--ink); font-weight: 500; }
.rate-tag { font-size: 13px; padding: 3px 8px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); }

main { max-width: 1760px; margin: 0 auto; padding: 24px; }
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 12px 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.page-head h1 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.page-head p { margin: 4px 0 0; color: var(--ink-2); max-width: 72ch; }
.back { display: inline-block; margin-bottom: 6px; font-size: 13px; color: var(--ink-2); text-decoration: none; }
.back:hover { color: var(--ink); }

/* ---------- dải số liệu ---------- */
.ledger {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px; background: var(--line-2);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  margin-bottom: 20px;
}
.ledger > div { background: var(--surface); padding: 14px 18px; }
.ledger .k { display: block; font-size: 12.5px; color: var(--ink-2); }
.ledger .v { display: block; margin-top: 2px; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.ledger .v small { margin-left: 5px; font-size: 12.5px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.ledger .sub { display: block; margin-top: 2px; font-size: 12.5px; color: var(--ink-3); }
.ledger .sub.warn { color: var(--warn); }

.toolbar { display: flex; align-items: center; gap: 10px 12px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .search { flex: 1 1 280px; max-width: 440px; }

/* ---------- khối & bảng ---------- */
.block {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 20px; overflow: hidden;
}
.block-group { border-left: 4px solid var(--net, var(--line)); }
.block-head {
  display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--line-2);
}
.block-head h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -0.005em; }
.block-head .meta { color: var(--ink-3); font-size: 13px; }
.block-head .tot { margin-left: auto; color: var(--ink-2); font-size: 13px; }
.block-head .tot b { color: var(--ink); font-weight: 600; }
.block-head .tot b.pos { color: var(--pos); }
.block-head .tot b.neg { color: var(--neg); }
.block-head .sep { color: var(--ink-3); margin: 0 2px; }
.block-actions { display: flex; align-items: center; gap: 4px; }
.block > .pad, .pad { padding: 16px; }

.table-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.grid th {
  padding: 8px 10px; text-align: left; white-space: nowrap; vertical-align: bottom; line-height: 1.3;
  font-size: 12.5px; font-weight: 500; color: var(--ink-2);
  background: var(--surface-2); border-bottom: 1px solid var(--line-2);
}
.grid td { padding: 6px 10px; border-bottom: 1px solid var(--line-2); vertical-align: middle; white-space: nowrap; }
.grid tbody tr:last-child td { border-bottom: 0; }
.grid tbody tr:hover { background: var(--row-hover); }
.grid tfoot td { font-weight: 600; background: var(--surface-2); border-top: 1px solid var(--line-2); border-bottom: 0; }
.grid .num { text-align: right; }
.grid .c-no { width: 52px; color: var(--ink-2); }
.grid .c-act { width: 1%; text-align: right; }
.grid td.wrap { white-space: normal; min-width: 200px; }
.grid .sub { display: block; font-size: 12px; color: var(--ink-3); white-space: normal; }
.grid .sub.neg { color: var(--neg); }
table.clickable tbody tr { cursor: pointer; }

td.editable { cursor: text; }
td.editable:hover { box-shadow: inset 0 0 0 1px var(--line); background: var(--surface); }
td.editable:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
td.editing { padding: 3px 6px; }
td.saving { opacity: 0.6; }
.cell-input {
  width: 100%; min-width: 96px; padding: 4px 8px; text-align: right;
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--focus); border-radius: var(--radius-sm); outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent);
}

.cred { display: inline-flex; align-items: center; gap: 2px; }
.cred .mono { margin-right: 2px; }
.masked { letter-spacing: 0.08em; color: var(--ink-3); }
.tag {
  display: inline-block; margin-right: 4px; padding: 0 6px; border-radius: 3px;
  font-size: 11.5px; line-height: 18px; color: var(--ink-2);
  background: var(--surface-2); border: 1px solid var(--line-2);
}
.link-btn {
  margin-left: 4px; padding: 0 6px; border: 0; border-radius: 3px; cursor: pointer;
  font: inherit; font-size: 12px; line-height: 18px; color: var(--info); background: var(--info-bg);
}

.status {
  display: inline-block; padding: 1px 8px; border-radius: 10px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.status.pending { background: var(--warn-bg); color: var(--warn); }
.status.approved { background: var(--pos-bg); color: var(--pos); }
.status.unlocked { background: var(--info-bg); color: var(--info); }
.status.rejected { background: var(--neg-bg); color: var(--neg); }

.empty { padding: 28px 16px; text-align: center; color: var(--ink-2); }
.empty p { max-width: 60ch; margin: 0 auto 12px; }
.more { padding: 12px; text-align: center; border-top: 1px solid var(--line-2); }

.stack { display: grid; gap: 1px; justify-items: start; }
.stack .icon-btn { width: 24px; height: 24px; }
.grid td.c-tag { min-width: 150px; white-space: normal; }
.c-tag .cred { max-width: 240px; }
.c-tag .mono { overflow-wrap: break-word; }
.grid td.c-key { max-width: 170px; }
.key-val { display: inline-block; max-width: 128px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.block-tools { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line-2); }
.block-tools .input.search { width: 100%; max-width: 440px; padding: 6px 10px; font-size: 13px; }
.grid td.nomatch { padding: 18px 12px; text-align: center; color: var(--ink-2); white-space: normal; }
.tag-preview {
  min-height: 37px; padding: 8px 10px; overflow-wrap: anywhere;
  border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--surface-2);
}

.check-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px 16px; padding: 4px 0 14px; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--primary); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.tg-toggle { margin-bottom: 12px; }
.tg-actions { display: flex; gap: 8px; margin-top: 4px; }
details.help { margin-top: 14px; font-size: 13px; color: var(--ink-2); }
details.help summary { cursor: pointer; color: var(--info); }
details.help .steps { margin-top: 8px; }

/* ---------- nút & ô nhập ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: 13.5px; font-weight: 500; line-height: 1.2;
  color: var(--ink); background: var(--surface); cursor: pointer; white-space: nowrap; text-decoration: none;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { background: var(--neg); border-color: var(--neg); color: #fff; }
.btn.danger-outline { color: var(--neg); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { color: var(--ink); background: var(--surface-2); }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }
.btn.block { width: 100%; margin-top: 8px; }
.btn:disabled { opacity: 0.55; cursor: default; }
.c-act .btn + .btn { margin-left: 4px; }

.icon-btn {
  display: inline-grid; place-items: center; width: 28px; height: 28px; padding: 0;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--ink-3); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon-btn.danger:hover { color: var(--neg); }
.ic { width: 16px; height: 16px; flex: none; }
.lock { display: inline-grid; place-items: center; width: 28px; height: 28px; }

.input {
  width: 100%; padding: 8px 10px;
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.input[readonly] { background: var(--surface-2); color: var(--ink-2); }
.input.sm { width: auto; padding: 5px 8px; font-size: 13px; }
.input.auto { width: auto; min-width: 180px; }
.input.mono { font-family: var(--mono); font-size: 13px; }
label.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }

.field { display: block; margin-bottom: 14px; }
.field-label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 500; color: var(--ink-2); }
.field-hint { display: block; margin-top: 4px; font-size: 12.5px; color: var(--ink-3); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
fieldset.sub { margin: 4px 0 14px; padding: 12px 12px 0; border: 1px solid var(--line-2); border-radius: var(--radius-sm); }
fieldset.sub legend { padding: 0 6px; font-size: 12.5px; color: var(--ink-2); }
.form-error {
  margin: 0 0 14px; padding: 8px 10px; border-radius: var(--radius-sm);
  font-size: 13px; color: var(--neg); background: var(--neg-bg);
}
.preview, .note { margin: 0 0 14px; font-size: 13px; color: var(--ink-2); }
.preview b { color: var(--ink); }
.inline-form { display: flex; gap: 8px; padding: 12px 16px; }
.inline-form .input { max-width: 260px; }
.steps { margin: 0 0 12px; padding-left: 20px; color: var(--ink-2); }
.qr { width: 196px; margin: 4px 0 10px; padding: 10px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line-2); }
.qr img { display: block; width: 100%; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.seg button {
  padding: 6px 12px; border: 0; cursor: pointer;
  font: inherit; font-size: 13px; color: var(--ink-2); background: var(--surface);
}
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--primary); color: var(--on-primary); }

.subnav { display: flex; gap: 2px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.subnav a {
  margin-bottom: -1px; padding: 8px 12px; border-bottom: 2px solid transparent;
  color: var(--ink-2); text-decoration: none; font-weight: 500;
}
.subnav a.active { color: var(--ink); border-bottom-color: var(--primary); }

.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 20px; }
.cat-list { margin: 0; padding: 0; list-style: none; }
.cat-list li { display: flex; align-items: center; gap: 4px; padding: 6px 12px 6px 16px; border-bottom: 1px solid var(--line-2); }
.cat-list li span { flex: 1; }

.changes { margin: 0; padding: 0; list-style: none; font-size: 12.5px; color: var(--ink-2); }
.changes li + li { margin-top: 2px; }
.changes del { color: var(--ink-3); }
.changes ins { text-decoration: none; color: var(--ink); font-weight: 500; }
.changes .note { margin: 0; color: var(--ink-3); }

/* ---------- lời / lỗ ---------- */
.hero {
  display: grid; grid-template-columns: minmax(280px, 1fr) 2fr;
  margin-bottom: 20px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.hero-main { padding: 20px 24px; border-right: 1px solid var(--line-2); }
.hero-main .k { font-size: 13px; color: var(--ink-2); }
.hero-main .big {
  display: block; margin: 6px 0 4px;
  font-size: 40px; font-weight: 600; line-height: 1.08; letter-spacing: -0.025em;
}
.hero-main .big small { margin-left: 8px; font-size: 15px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.hero-main .pct { font-size: 14px; font-weight: 500; }
.hero-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; margin: 0; background: var(--line-2); }
.hero-facts > div { padding: 16px 20px; background: var(--surface); }
.hero-facts dt { font-size: 12.5px; color: var(--ink-2); }
.hero-facts dd { margin: 4px 0 0; font-size: 17px; font-weight: 600; }
.formula { grid-column: 1 / -1; margin: 0; padding: 10px 24px; font-size: 12.5px; color: var(--ink-3); border-top: 1px solid var(--line-2); }

.chart-wrap { padding: 12px 16px 4px; border-bottom: 1px solid var(--line-2); }
svg.chart { display: block; width: 100%; height: auto; }
svg.chart rect.pos { fill: var(--pos); }
svg.chart rect.neg { fill: var(--neg); }
svg.chart rect.zero { fill: var(--ink-3); }
svg.chart .grid-line { stroke: var(--line-2); stroke-width: 1; }
svg.chart .zero-line { stroke: var(--line); stroke-width: 1; }
svg.chart text { fill: var(--ink-3); font-size: 11px; font-family: var(--font); }

/* ---------- đăng nhập ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card {
  width: min(380px, 100%); padding: 28px 28px 22px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
.brand-lg { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; letter-spacing: -0.015em; }
.brand-lg .brand-mark { width: 26px; height: 26px; }
.auth-sub { margin: 6px 0 22px; color: var(--ink-2); }

/* ---------- hộp thoại & thông báo ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center; padding: 16px;
  background: rgba(15, 23, 32, 0.45);
}
.modal {
  width: min(540px, 100%); max-height: calc(100vh - 32px); overflow: auto;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
.modal.wide { width: min(760px, 100%); }
.modal header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line-2); }
.modal h3 { margin: 0; font-size: 16px; font-weight: 600; }
.modal-body { padding: 16px 18px 2px; }
.modal footer { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line-2); }

.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 60; display: grid; gap: 8px; justify-items: end; }
.toast {
  max-width: 380px; padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 13.5px; color: var(--surface); background: var(--ink);
}
.toast.error { color: #fff; background: var(--neg); }

@media (prefers-reduced-motion: no-preference) {
  .modal { animation: modal-in 0.14s ease-out; }
  .toast { animation: toast-in 0.16s ease-out; }
  @keyframes modal-in { from { opacity: 0; transform: translateY(6px) scale(0.99); } }
  @keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }
}

@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px 16px; }
  .nav { order: 3; width: 100%; }
  main { padding: 16px; }
  .hero { grid-template-columns: 1fr; }
  .hero-main { border-right: 0; border-bottom: 1px solid var(--line-2); }
  .block-head .tot { margin-left: 0; width: 100%; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .who .rate-tag { display: none; }
  .hero-main .big { font-size: 32px; }
}