/* IZI Class — Tài chính */
.fin-page, .fin-modal {
  --fin-ink: #17233d; --fin-muted: #6b7489; --fin-line: #e9edf4; --fin-soft: #f6f8fc;
  --fin-blue: #3465e8; --fin-good: #138a5b; --fin-good-bg: #e7f6ef; --fin-bad: #c4320a; --fin-bad-bg: #fdecea;
  --fin-warn: #b54708; --fin-warn-bg: #fff4e5; --fin-navy: #2f3d8f;
  --series-thu: #2a78d6; --series-chi: #eb6834;
}
.fin-page {
  display: grid; gap: 16px; color: var(--fin-ink); min-width: 0;
}
.fin-tabs { display: flex; gap: 6px; overflow-x: auto; padding: 6px; background: #fff; border: 1px solid var(--fin-line); border-radius: 14px; scrollbar-width: thin; }
.fin-tabs button { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; border: 0; background: none; padding: 10px 16px; border-radius: 10px; font: inherit; font-weight: 600; color: #47506a; cursor: pointer; white-space: nowrap; }
.fin-tabs button:hover { background: var(--fin-soft); }
.fin-tabs button.active { background: var(--fin-blue); color: #fff; box-shadow: 0 6px 16px rgba(52, 101, 232, .25); }
.fin-tabs button:focus-visible, .fin-seg button:focus-visible, .fin-detail-tabs button:focus-visible { outline: 2px solid var(--fin-blue); outline-offset: 2px; }

.fin-card, .fin-panel, .fin-kpi { background: #fff; border: 1px solid var(--fin-line); border-radius: 16px; min-width: 0; }
.fin-card { padding: 22px; display: grid; gap: 16px; }
.fin-card-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.fin-card-head > div { flex: 1 1 220px; min-width: 0; }
.fin-card-head h2 { margin: 0; font-size: 22px; }
.fin-card-head p { margin: 4px 0 0; color: var(--fin-muted); }
.fin-card-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: #e6ebf5; font-size: 20px; flex: 0 0 auto; }

.fin-filters { display: grid; grid-template-columns: minmax(180px, 1.2fr) repeat(3, minmax(140px, 1fr)); gap: 10px; }
.fin-filters.payroll { grid-template-columns: 130px 110px minmax(180px, 1.2fr) repeat(2, minmax(140px, 1fr)); }
.fin-filters select, .fin-search { min-width: 0; height: 42px; border: 1px solid #d6dce8; border-radius: 10px; background: #fff; font: inherit; padding: 0 10px; color: var(--fin-ink); }
.fin-search { display: flex; align-items: center; gap: 8px; background: var(--fin-soft); border-color: transparent; }
.fin-search input { border: 0; background: none; font: inherit; flex: 1; min-width: 0; outline: none; color: var(--fin-ink); }
.fin-search:focus-within { border-color: var(--fin-blue); }
.fin-list-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.fin-list-head h3 { margin: 0; font-size: 17px; }
.fin-list-head span, .fin-muted { color: var(--fin-muted); font-size: 13px; }
.fin-muted { margin: 0; }

.fin-table-wrap { overflow-x: auto; border: 1px solid var(--fin-line); border-radius: 12px; }
.fin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.fin-table th { text-align: left; font-weight: 600; color: #47506a; background: #f7f9fd; padding: 12px 14px; white-space: nowrap; }
.fin-table td { padding: 12px 14px; border-top: 1px solid var(--fin-line); vertical-align: middle; }
.fin-table td small { display: block; color: var(--fin-muted); font-size: 12px; margin-top: 3px; }
.fin-table .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.fin-table tr.fin-click { cursor: pointer; }
.fin-table tr.fin-click:hover, .fin-table tr.fin-click:focus-visible { background: var(--fin-soft); outline: none; }
.fin-actions { white-space: nowrap; }
.fin-actions > * + * { margin-left: 6px; }
.pos { color: var(--fin-good); } .neg { color: var(--fin-bad); } .warn { color: var(--fin-warn); } .blue { color: var(--fin-blue); }

.fin-chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.fin-chip.good { background: var(--fin-good-bg); color: var(--fin-good); }
.fin-chip.bad { background: var(--fin-bad-bg); color: var(--fin-bad); }
.fin-chip.warn { background: var(--fin-warn-bg); color: var(--fin-warn); }
.fin-chip.muted { background: #eef1f6; color: #5b6478; }
.fin-icon-btn { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--fin-line); background: #fff; cursor: pointer; font-size: 16px; color: var(--fin-ink); display: inline-grid; place-items: center; }
.fin-icon-btn:hover { background: var(--fin-soft); }
.danger-btn { color: var(--fin-bad) !important; }
.fin-empty { padding: 28px 16px; text-align: center; color: var(--fin-muted); border: 1px dashed #d6dce8; border-radius: 12px; background: #fafbfe; }
.fin-empty.big { padding: 56px 16px; font-size: 16px; }
.fin-empty.big span { display: block; font-size: 44px; color: #b8c0cf; margin-bottom: 8px; }

.fin-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--fin-line); padding-top: 14px; color: #47506a; font-size: 14px; }
.fin-pager select { height: 34px; border: 1px solid #d6dce8; border-radius: 8px; margin: 0 6px; font: inherit; }
.fin-pager .btn { min-width: 38px; }

/* Dashboard */
.fin-dash-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.fin-dash-head h1 { margin: 0; font-size: 28px; }
.fin-range { display: flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--fin-line); border-radius: 12px; padding: 6px 10px; flex-wrap: wrap; }
.fin-range input { border: 0; font: inherit; color: var(--fin-ink); background: none; }
.fin-range button { border: 0; background: none; font-size: 18px; cursor: pointer; color: var(--fin-muted); }
.fin-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.fin-kpi { padding: 20px; display: grid; align-content: start; gap: 10px; }
.fin-kpi h3 { margin: 0; font-size: 14px; font-weight: 600; color: #47506a; }
.fin-kpi strong { font-size: 26px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.fin-kpi-lines { border-top: 1px solid var(--fin-line); padding-top: 10px; display: grid; gap: 8px; }
.fin-line { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: #47506a; }
.fin-line b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.fin-pill-line { display: flex; justify-content: space-between; gap: 8px; background: var(--fin-soft); border-radius: 8px; padding: 8px 10px; font-size: 13px; }
.fin-pill-line b { color: var(--fin-warn); white-space: nowrap; }
.fin-pill-line small { color: var(--fin-muted); font-weight: 400; }
.fin-dash-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 14px; }
.fin-panel { padding: 20px; display: grid; gap: 12px; align-content: start; }
.fin-panel h3 { margin: 0; font-size: 17px; }
.fin-panel-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.fin-seg { display: inline-flex; background: var(--fin-soft); border-radius: 10px; padding: 3px; }
.fin-seg button { border: 0; background: none; padding: 6px 14px; border-radius: 8px; font: inherit; font-weight: 600; color: #47506a; cursor: pointer; }
.fin-seg button.active { background: #fff; color: var(--fin-blue); box-shadow: 0 1px 4px rgba(23, 35, 61, .12); }
.fin-class-list { display: grid; gap: 10px; max-height: 380px; overflow: auto; }
.fin-class-row { border-bottom: 1px solid var(--fin-line); padding-bottom: 10px; display: grid; gap: 6px; }
.fin-class-top, .fin-class-foot { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.fin-class-foot { font-size: 13px; color: var(--fin-muted); }
.fin-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.fin-tag { font-size: 12px; padding: 3px 8px; border-radius: 6px; }
.fin-tag.good { background: var(--fin-good-bg); color: var(--fin-good); }
.fin-tag.warn { background: var(--fin-warn-bg); color: var(--fin-warn); }

/* Chart */
.fin-legend { display: flex; gap: 16px; font-size: 13px; color: #47506a; }
.fin-legend span { display: inline-flex; align-items: center; gap: 6px; }
.fin-key { display: inline-block; width: 14px; height: 3px; border-radius: 2px; }
.fin-key.thu { background: var(--series-thu); } .fin-key.chi { background: var(--series-chi); }
.fin-chart { position: relative; }
.fin-chart svg { width: 100%; height: auto; display: block; }
.fin-bar.thu { fill: var(--series-thu); } .fin-bar.chi { fill: var(--series-chi); }
.fin-grid { stroke: #eef1f6; stroke-width: 1; }
.fin-baseline { stroke: #cfd6e3; stroke-width: 1; }
.fin-axis { fill: var(--fin-muted); font-size: 11px; font-family: inherit; }
.fin-hit { fill: transparent; cursor: default; outline: none; }
.fin-hit.on { fill: rgba(23, 35, 61, .05); }
.fin-tooltip { position: absolute; transform: translateX(-50%); background: #fff; border: 1px solid var(--fin-line); border-radius: 10px; box-shadow: 0 8px 24px rgba(23, 35, 61, .14); padding: 8px 10px; font-size: 12px; pointer-events: none; display: grid; gap: 4px; min-width: 130px; }
.fin-tooltip div { display: flex; align-items: center; gap: 6px; color: #47506a; }
.fin-tooltip strong { margin-left: auto; color: var(--fin-ink); font-variant-numeric: tabular-nums; }
.fin-table-view summary { cursor: pointer; color: var(--fin-blue); font-size: 13px; font-weight: 600; }
.fin-table-view .fin-table-wrap { margin-top: 8px; max-height: 240px; overflow: auto; }

/* Modals */
.fin-modal { width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 40px); overflow: auto; }
.fin-modal.fin-detail { width: min(1000px, calc(100vw - 32px)); }
.fin-form { margin-top: 4px; }
.fin-form .field.full, .fin-form .full { grid-column: 1 / -1; }
.fin-form input:disabled, .fin-form select:disabled, .fin-form textarea:disabled { background: var(--fin-soft, #f6f8fc); color: #47506a; }
.fin-note { margin: 0; background: #eef3ff; color: #2b3f7a; border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.fin-calc { background: #f6f8fc; border: 1px solid #e9edf4; border-radius: 12px; padding: 14px 16px; display: grid; gap: 4px; }
.fin-calc > div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.fin-calc b { font-size: 20px; }
.fin-calc small { color: #6b7489; }
.fin-upload { display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 1px dashed #b8c4dc; border-radius: 10px; padding: 12px 14px; background: #f6f8fc; cursor: pointer; color: #6b7489; }
.fin-upload b { color: #3465e8; white-space: nowrap; }
.fin-upload span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fin-upload:focus-within { outline: 2px solid #3465e8; }
.fin-sched { display: grid; gap: 8px; margin-bottom: 10px; }
.fin-sched-row { display: grid; grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1fr) 34px; gap: 8px; align-items: center; }
.fin-sched-row input { min-width: 0; height: 38px; border: 1px solid #d6dce8; border-radius: 8px; padding: 0 10px; font: inherit; }
.fin-sched + .btn { margin-bottom: 12px; }
.fin-proof-img { max-width: 100%; border-radius: 10px; display: block; margin: 8px auto 0; }

.fin-detail-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 6px 0 14px; }
.fin-detail-kpis > div, .fin-course-stats > div { border: 1px solid #e9edf4; border-radius: 12px; padding: 14px 16px; display: grid; gap: 6px; background: #fff; }
.fin-detail-kpis small, .fin-course-stats small { text-transform: uppercase; letter-spacing: .03em; font-size: 11px; color: #6b7489; font-weight: 600; }
.fin-detail-kpis b { font-size: 22px; font-variant-numeric: tabular-nums; }
.fin-detail-kpis .red { background: #fff8f7; }
.fin-detail-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: #f1f4f9; border-radius: 12px; padding: 4px; margin-bottom: 14px; }
.fin-detail-tabs button { border: 0; background: none; padding: 10px; border-radius: 9px; font: inherit; font-weight: 600; color: #47506a; cursor: pointer; }
.fin-detail-tabs button.active { background: #fff; color: #17233d; box-shadow: 0 1px 4px rgba(23, 35, 61, .1); }
.fin-detail-body { display: grid; gap: 14px; }
.fin-detail-body > .btn { justify-self: start; }
.fin-course { border: 1px solid #e9edf4; border-radius: 14px; padding: 16px; display: grid; gap: 14px; }
.fin-course-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fin-course-head h3 { margin: 0; font-size: 18px; flex: 1 1 auto; }
.fin-course-icon { width: 40px; height: 40px; border-radius: 10px; background: #2f3d8f; color: #fff; display: grid; place-items: center; }
.fin-course-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.fin-btn-green { background: #12a46b !important; color: #fff !important; border-color: transparent !important; }
.fin-btn-navy { background: #2f3d8f !important; color: #fff !important; border-color: transparent !important; }
.fin-course-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.fin-course-stats b { font-size: 17px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.fin-course-stats .red { background: #fff5f4; border-color: #fbd5d0; }
.fin-course-stats .red b { color: #c4320a; }
.fin-course-stats .navy { background: #eef0fa; border-color: #cdd3ef; }
.fin-course-stats .navy b { color: #2f3d8f; }
.fin-course-stats .green { background: #effaf4; border-color: #c8ecd9; }
.fin-sched-box { border: 1px solid #e9edf4; border-radius: 12px; padding: 12px 14px; display: grid; gap: 8px; }
.fin-sched-box summary { display: flex; justify-content: space-between; gap: 10px; cursor: pointer; font-weight: 600; list-style: none; }
.fin-sched-box summary::-webkit-details-marker { display: none; }
.fin-sched-box summary em { font-weight: 400; color: #6b7489; font-size: 13px; }
.fin-sched-box .btn { justify-self: end; margin-top: 4px; }
.fin-sched-line { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; font-size: 14px; padding: 6px 0; border-top: 1px solid #f0f2f7; }

@media (max-width: 1100px) {
  .fin-dash-grid { grid-template-columns: 1fr; }
  .fin-filters, .fin-filters.payroll { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fin-filters .fin-search { grid-column: 1 / -1; }
  .fin-course-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .fin-kpis, .fin-detail-kpis, .fin-course-stats, .fin-filters, .fin-filters.payroll { grid-template-columns: 1fr; }
  .fin-card { padding: 16px; }
  .fin-dash-head h1 { font-size: 22px; }
  .fin-pager { justify-content: center; }
}

/* Phiếu giảm giá */
.fin-search.wide { width: 100%; box-sizing: border-box; }
.fin-voucher-table thead th { background: #c9d8fb; color: #17233d; }
.fin-voucher-tag { font-style: normal; font-size: 12px; color: #5b6478; }

.fin-kpi strong.navy { color: var(--fin-navy); }
.fin-kpi-sub { margin: -4px 0 0; font-size: 12px; color: var(--fin-muted); }