/* Nomitech Pricing Terminal — warm-gray dark first, platform-accent theming */
:root {
  --font-display: 'Chakra Petch', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
[data-theme="dark"] {
  --bg: #1d1a15; --bg-panel: #262219; --bg-inset: #2f2a1f; --bg-hover: #38321f;
  --line: #3d3628; --text: #ece4d3; --text-dim: #a89e87; --text-faint: #6f6754;
  --green: #8fd47a; --red: #ff7a66; --amber: #e8c268;
}
[data-theme="light"] {
  --bg: #f3efe6; --bg-panel: #fbf8f1; --bg-inset: #ede7d9; --bg-hover: #e5ddc9;
  --line: #d8d0bc; --text: #2a2620; --text-dim: #6f6754; --text-faint: #a89e87;
  --green: #3d8f2b; --red: #cc3a26; --amber: #9a7a1a;
}
[data-platform="shopee"] { --accent: #ee4d2d; --accent-soft: rgba(238,77,45,.14); }
[data-platform="tiktok"] { --accent: #23c8be; --accent-soft: rgba(35,200,190,.14); }

* { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: 14px; line-height: 1.5;
  background-image: radial-gradient(ellipse 90% 50% at 50% -10%, var(--accent-soft), transparent);
  min-height: 100vh; display: flex; flex-direction: column;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-display); }
.brand-mark { color: var(--accent); font-size: 22px; }
.brand-name { font-weight: 700; font-size: 19px; letter-spacing: .04em; }
.brand-sub { font-size: 11px; letter-spacing: .28em; color: var(--text-faint); }
.platform-tabs { display: flex; gap: 4px; margin-left: auto; }
.ptab {
  font-family: var(--font-display); font-weight: 600; font-size: 13px; letter-spacing: .08em;
  background: none; border: 1px solid var(--line); color: var(--text-dim);
  padding: 8px 18px; cursor: pointer; border-radius: 4px;
}
.ptab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.top-right { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.entity-switch { display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.ebtn, .mbtn {
  font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: .06em;
  background: none; border: none; color: var(--text-dim); padding: 8px 14px; cursor: pointer;
}
.ebtn.active, .mbtn.active { background: var(--bg-inset); color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
.theme-toggle { background: none; border: 1px solid var(--line); color: var(--text-dim); border-radius: 4px; padding: 6px 10px; cursor: pointer; font-size: 15px; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 18px; padding: 18px 24px; flex: 1; align-items: start; min-width: 0; }
.layout > *, .panel, .field, .field-row { min-width: 0; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } .inputs { position: static !important; } }
.panel { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.panel-title { font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px; }
.panel-note { font-size: 10px; letter-spacing: .02em; text-transform: none; color: var(--text-faint); margin-left: 8px; }

/* ---------- Inputs ---------- */
.inputs { position: sticky; top: 18px; }
.field { display: block; margin-bottom: 12px; flex: 1; }
.field-label { display: flex; justify-content: space-between; font-size: 11px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 5px; }
.field input[type="number"], .field input[type="text"], .combo input {
  width: 100%; background: var(--bg-inset); border: 1px solid var(--line); border-radius: 5px;
  color: var(--text); font-family: var(--font-mono); font-size: 14px; padding: 9px 10px;
}
.field input:focus, .combo input:focus { outline: none; border-color: var(--accent); }
.field-row { display: flex; gap: 10px; }

/* Ô nhập có đơn vị (đ / %) gắn bên phải */
.input-wrap { position: relative; display: block; }
.input-wrap input { width: 100%; padding-right: 28px; }
.input-wrap .unit { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-style: normal; font-size: 12px; color: var(--text-faint); pointer-events: none; }
/* Ẩn mũi tên tăng/giảm của ô số — chúng đè lên đơn vị %, gõ số trực tiếp tiện hơn */
.input-wrap input[type="number"]::-webkit-outer-spin-button,
.input-wrap input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.input-wrap input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

/* Chip "Đang chọn: ngành hàng" — nổi rõ, bấm để mở bảng duyệt danh mục */
.cat-chip {
  display: block; margin-top: 6px; padding: 6px 10px; background: var(--accent-soft);
  border: 1px solid transparent; border-left: 2px solid var(--accent); border-radius: 0 6px 6px 0;
  font-size: 12px; line-height: 1.5; color: var(--text); cursor: pointer;
}
.cat-chip:hover, .cat-chip:focus-visible {
  border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); outline: none;
}
.field-hint { display: block; margin-top: 4px; font-size: 11px; color: var(--text-faint); }
.badge { font-family: var(--font-mono); font-style: normal; font-size: 11px; background: var(--accent-soft); color: var(--accent); padding: 1px 7px; border-radius: 10px; }
.group-title { font-family: var(--font-display); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 18px 0 10px; }

.combo { position: relative; min-width: 0; }
.combo-list {
  position: static; margin-top: 4px; max-height: 240px; overflow: auto;
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 6px; list-style: none; padding: 4px;
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
}
.combo-list li { padding: 7px 10px; border-radius: 4px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; }
.combo-list li:hover { background: var(--bg-hover); }
.combo-list .rate { font-family: var(--font-mono); color: var(--accent); }
.combo-list li.combo-group {
  cursor: default; font-family: var(--font-body); font-size: 10px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-faint); padding: 8px 10px 3px;
}
.combo-list li.combo-group:first-child { padding-top: 4px; }
.combo-list li.combo-group:hover { background: none; }
.combo-list li.combo-browse-link {
  color: var(--accent); font-weight: 700; border: 1px solid var(--line); margin-top: 4px;
  padding: 10px 12px; justify-content: center; background: var(--bg-inset);
}
.combo-list li.combo-browse-link:hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- Popup trung tâm: duyệt toàn bộ danh mục sàn ---------- */
.cat-modal-overlay {
  position: fixed; inset: 0; z-index: 100; background: rgba(20,16,12,.55);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.cat-modal {
  width: min(980px, calc(100vw - 48px)); max-height: calc(100dvh - 48px); min-height: 0;
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
  box-shadow: 0 30px 70px rgba(0,0,0,.45);
}
.cat-modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.cat-modal-head span { font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.cat-modal-head button { border: none; background: none; color: var(--text-faint); font-size: 22px; cursor: pointer; line-height: 1; }
.cat-modal-head button:hover { color: var(--accent); }
.cat-modal-grid { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 12px; min-height: 0; flex: 1; overflow: hidden; }
.cat-modal-grid section { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.cat-modal-grid h4 {
  color: var(--text-faint); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px;
}
.cat-level { list-style: none; padding: 0; margin: 0; min-height: 0; overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-inset); flex: 1; }
.cat-level button {
  width: 100%; border: none; border-bottom: 1px solid var(--line); background: transparent; color: var(--text-dim);
  padding: 9px 10px; display: flex; justify-content: space-between; gap: 8px; text-align: left; cursor: pointer;
  font-family: var(--font-body); font-size: 13px; line-height: 1.4;
}
.cat-level button span:first-child { min-width: 0; }
.cat-level li:last-child button { border-bottom: none; }
.cat-level button:hover, .cat-level button.active { background: var(--accent-soft); color: var(--text); }
.cat-level .rate { color: var(--accent); font-family: var(--font-mono); white-space: nowrap; }
.cat-level .count { color: var(--text-faint); font-family: var(--font-mono); white-space: nowrap; }
@media (max-width: 720px) {
  .cat-modal-overlay { padding: 0; align-items: flex-end; }
  .cat-modal { width: 100%; max-height: 88vh; border-radius: 16px 16px 0 0; }
  .cat-modal-grid { grid-template-columns: 1fr; overflow: auto; }
  .cat-level { max-height: 160px; flex: none; }
}

.toggle { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; cursor: pointer; font-size: 13px; }
.toggle input { display: none; }
.tg { width: 34px; height: 18px; border-radius: 10px; background: var(--bg-inset); border: 1px solid var(--line); position: relative; flex-shrink: 0; transition: background .15s; }
.tg::after { content: ''; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--text-faint); transition: all .15s; }
.toggle input:checked + .tg { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .tg::after { left: 18px; background: #fff; }

/* ---------- KPI strip ---------- */
.kpi-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 14px; }
.kpi {
  background: var(--bg-panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 7px; padding: 10px 14px;
}
.kpi-label { font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; }
.kpi-value { font-family: var(--font-mono); font-weight: 700; font-size: 17px; white-space: nowrap; margin-top: 2px; }
.kpi-value.pos { color: var(--green); } .kpi-value.neg { color: var(--red); }
.kpi-sub { font-size: 10px; color: var(--text-faint); white-space: nowrap; }

/* ---------- Source cards ---------- */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
@media (max-width: 1180px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.scard {
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px;
  cursor: pointer; transition: border-color .15s, transform .1s;
}
.scard:hover { transform: translateY(-2px); }
.scard.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 8px 24px rgba(0,0,0,.25); }
.scard-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.scard-title { font-family: var(--font-display); font-weight: 600; font-size: 14px; }
.scard-hint { font-size: 10px; color: var(--text-faint); }
.scard-profit { font-family: var(--font-mono); font-weight: 700; font-size: 21px; }
.scard-profit.pos { color: var(--green); } .scard-profit.neg { color: var(--red); }
.scard-pct { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); margin-left: 6px; }
.scard-rows { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 8px; font-size: 12px; }
.scard-row { display: flex; justify-content: space-between; gap: 8px; color: var(--text-dim); margin-bottom: 3px; }
.scard-row span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scard-row b { font-family: var(--font-mono); font-weight: 600; color: var(--text); white-space: nowrap; }
.scard-row.suggest b { color: var(--amber); }

/* ---------- Waterfall ---------- */
.waterfall-panel { margin-bottom: 18px; }
.wf-bar { display: flex; height: 40px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); margin-bottom: 12px; }
.wf-seg { min-width: 2px; position: relative; }
.wf-seg.profit-pos { background: var(--green); } .wf-seg.profit-neg { background: var(--red); }
.wf-legend { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 26px; }
@media (max-width: 700px) { .wf-legend { grid-template-columns: 1fr; } }
.wf-legend li { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 3px 0; min-width: 0; }
.wf-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.wf-legend .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wf-legend .amt { margin-left: auto; font-family: var(--font-mono); font-weight: 600; white-space: nowrap; }
.wf-legend .note { color: var(--text-faint); font-size: 11px; white-space: nowrap; flex-shrink: 0; }

/* ---------- Charts ---------- */
.chart-row { display: grid; grid-template-columns: 3fr 2fr; gap: 12px; margin-bottom: 14px; }
@media (max-width: 900px) { .chart-row { grid-template-columns: 1fr; } }
.profit-curve svg { width: 100%; height: auto; display: block; }
.chart-label { font-family: var(--font-body); font-size: 13px; font-weight: 600; }
.chart-num { font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.source-bars { display: flex; flex-direction: column; gap: 12px; padding-top: 6px; }
.sbar-row { display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 10px; cursor: pointer; border-radius: 5px; padding: 4px 6px; }
.sbar-row:hover, .sbar-row.selected { background: var(--bg-inset); }
.sbar-label { font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.sbar-track { height: 12px; background: var(--bg-inset); border-radius: 6px; overflow: hidden; }
.sbar-fill { display: block; height: 100%; border-radius: 6px; }
.sbar-fill.pos { background: var(--green); } .sbar-fill.neg { background: var(--red); }
.sbar-val { font-family: var(--font-mono); font-size: 12px; font-weight: 700; white-space: nowrap; }
.sbar-val.pos { color: var(--green); } .sbar-val.neg { color: var(--red); }

/* ---------- Compare ---------- */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .compare-grid { grid-template-columns: 1fr; } }
.cmp-col { background: var(--bg-inset); border: 1px solid var(--line); border-radius: 7px; padding: 14px 16px; }
.cmp-col.winner { border-color: var(--green); }
.cmp-title { font-family: var(--font-display); font-weight: 600; font-size: 13px; letter-spacing: .08em; margin-bottom: 10px; display: flex; justify-content: space-between; }
.cmp-win { color: var(--green); font-size: 11px; }
.cmp-row { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-dim); padding: 3px 0; }
.cmp-row b { font-family: var(--font-mono); color: var(--text); }
.cmp-row.main b { font-size: 16px; }
.cmp-row .pos { color: var(--green); } .cmp-row .neg { color: var(--red); }

.foot { display: flex; flex-direction: column; gap: 5px; padding: 12px 24px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; color: var(--text-faint); }

/* Select quy mô doanh thu (bậc thuế) trên topbar */
.scale-select { font-family: var(--font-body); font-size: 12px; padding: 6px 8px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg-panel); color: var(--text); cursor: pointer; }
.scale-select:hover { border-color: var(--accent); }

/* ---------- Toolbar hành động ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar-gap { flex: 1; }
.tbtn { display: inline-flex; align-items: center; font-family: var(--font-body); font-size: 13px; padding: 7px 12px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg-panel); color: var(--text); cursor: pointer; text-decoration: none; }
.tbtn:hover { border-color: var(--accent); color: var(--accent); }
.tbtn:disabled { opacity: .7; cursor: default; }

.tbtn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.tbtn-primary:hover { color: #fff; filter: brightness(1.04); }

/* ---------- Popup hướng dẫn lần đầu ---------- */
.onboarding-overlay {
  position: fixed; inset: 0; z-index: 120; background: rgba(20,16,12,.58);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.onboarding-modal {
  width: min(520px, calc(100vw - 48px)); background: var(--bg-panel);
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
  box-shadow: 0 30px 70px rgba(0,0,0,.45);
}
.onboarding-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.onboarding-kicker { display: block; margin-bottom: 4px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.onboarding-head h2 { font-family: var(--font-display); font-size: 24px; line-height: 1.2; margin: 0; }
.onboarding-head button { border: none; background: none; color: var(--text-faint); font-size: 24px; line-height: 1; cursor: pointer; }
.onboarding-head button:hover { color: var(--accent); }
.onboarding-steps { display: grid; gap: 10px; margin: 0 0 14px; padding: 0; list-style: none; counter-reset: step; }
.onboarding-steps li {
  counter-increment: step; position: relative; padding: 10px 12px 10px 42px;
  background: var(--bg-inset); border: 1px solid var(--line); border-radius: 8px;
}
.onboarding-steps li::before {
  content: counter(step); position: absolute; left: 12px; top: 10px; width: 20px; height: 20px;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-family: var(--font-mono); font-size: 12px; font-weight: 700;
}
.onboarding-steps b { display: block; margin-bottom: 2px; font-family: var(--font-display); font-size: 15px; }
.onboarding-steps span { display: block; color: var(--text-dim); font-size: 13px; line-height: 1.45; }
.onboarding-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.onboarding-presets button {
  border: 1px solid var(--line); background: var(--bg-inset); color: var(--text);
  border-radius: 999px; padding: 7px 10px; font: 600 12px var(--font-body); cursor: pointer;
}
.onboarding-presets button:hover { border-color: var(--accent); color: var(--accent); }
.onboarding-session { display: flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: 12px; margin-bottom: 14px; cursor: pointer; }
.onboarding-session input { accent-color: var(--accent); }
.onboarding-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- Bảng ROI Ads ---------- */
.roi-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.roi-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); padding: 6px 10px; border-bottom: 1px solid var(--line); }
.roi-table td { padding: 7px 10px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); }
.roi-table tr.roi-current td { background: var(--accent-soft); font-weight: 700; }
.roi-table tr.roi-dead td { color: var(--text-faint); }
.roi-table .roi-toggle-row td { text-align: center; border-bottom: none; padding-top: 10px; }

/* ---------- Bảng nhiều SP ---------- */
.sku-actions { display: flex; gap: 8px; margin-bottom: 10px; }
.sku-scroll { overflow-x: auto; }
.sku-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
.sku-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); padding: 6px 8px; border-bottom: 1px solid var(--line); }
.sku-table td { padding: 5px 8px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); white-space: nowrap; }
.sku-table td.pos { color: var(--green); } .sku-table td.neg { color: var(--red); }
.sku-table input { width: 100px; background: var(--bg-inset); border: 1px solid var(--line); border-radius: 5px; color: var(--text); padding: 4px 8px; font-family: var(--font-mono); font-size: 13px; }
.sku-table input.sku-name { width: 130px; font-family: var(--font-body); }
.sku-del { background: none; border: none; color: var(--text-faint); cursor: pointer; }
.sku-del:hover { color: var(--red); }
.sku-empty { color: var(--text-faint); font-family: var(--font-body); padding: 14px 8px; }
.sku-cat { color: var(--text-dim); }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 8px; padding: 10px 14px; }
  .brand, .platform-tabs, .top-right { width: 100%; margin-left: 0; }
  .platform-tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .ptab { padding-inline: 10px; }
  .top-right { gap: 6px; }
  .top-right .entity-switch { flex: 1 1 auto; }
  .top-right .scale-select { flex: 1 1 160px; min-width: 0; }
  .layout { padding: 12px; gap: 12px; }
  .kpi-strip { grid-template-columns: repeat(2, 1fr) !important; }
  .cards { grid-template-columns: 1fr !important; }
  .chart-row { grid-template-columns: 1fr !important; }
  .compare-grid { grid-template-columns: 1fr !important; }
  .toolbar .tbtn { flex: 1 1 44%; }
  .onboarding-overlay { padding: 0; align-items: flex-end; }
  .onboarding-modal { width: 100%; border-radius: 16px 16px 0 0; }
  .onboarding-head h2 { font-size: 21px; }
  .onboarding-actions .tbtn { flex: 1; justify-content: center; }
  .tip-popover { max-width: 200px; }
}

/* ---------- In / Xuất PDF ---------- */
@media print {
  :root, [data-theme="dark"] { --bg: #fff; --bg-panel: #fff; --bg-inset: #f4f2ee; --text: #1a1713; --text-dim: #555; --text-faint: #888; --line: #ccc; }
  body { background: #fff; }
  .topbar .top-right, .toolbar, .onboarding-overlay, .sku-actions, .inputs { display: none !important; }
  .layout { display: block; padding: 0; }
  .panel, .kpi, .scard { break-inside: avoid; border-color: #ccc; }
}

/* ---------- Tooltip (rê chuột/bấm hiện chú giải cho người mới) ---------- */
[data-tip]:not([data-tip=""]) { position: relative; cursor: help; }
[data-tip]:not([data-tip=""])::before { content: 'ⓘ'; font-size: 10px; color: var(--text-faint); margin-right: 4px; }
.scard-title[data-tip]::before, .kpi-label[data-tip]::before { content: ''; margin: 0; }
[data-tip]:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
.tip-popover {
  position: fixed; z-index: 1000; max-width: 290px;
  background: var(--bg-inset); color: var(--text); border: 1px solid var(--accent);
  padding: 9px 12px; border-radius: 6px;
  font-family: var(--font-body); font-size: 12px; font-weight: 400; letter-spacing: 0; text-transform: none;
  white-space: normal; line-height: 1.5;
  box-shadow: 0 10px 26px rgba(0,0,0,.4); pointer-events: none;
}