/* ============================================================
   Thành phần dùng chung: card, nút, badge, bảng, form, tab,
   modal, toast, trạng thái rỗng.
   ============================================================ */

/* ---------- Card ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card + .card { margin-top: var(--gap); }
.card__head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card__title { font-size: 15px; font-weight: 600; }
.card__head .spacer { flex: 1; }
.card__body { padding: 16px 18px; }
.card__body--flush { padding: 0; }
.empty { color: var(--text-3); text-align: center; padding: 36px 16px; }
.muted { color: var(--text-3); }
.mt-16 { margin-top: 16px; }

/* ---------- Nút ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-2); background: var(--surface); color: var(--text);
  font-weight: 500; white-space: nowrap; transition: background .15s, border-color .15s, opacity .15s;
}
.btn svg { width: 16px; height: 16px; }
.btn:hover:not(:disabled) { background: var(--surface-2); border-color: #d3d8e0; }
.btn:disabled { opacity: .5; }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--primary-600); border-color: var(--primary-600); }
.btn--success { background: var(--success); border-color: var(--success); color: #fff; }
.btn--success:hover:not(:disabled) { background: #1b8a5b; border-color: #1b8a5b; }
.btn--ghost { border-color: transparent; background: none; color: var(--text-2); }
.btn--ghost:hover:not(:disabled) { background: var(--surface-3); border-color: transparent; }
.btn--danger-text { color: var(--danger); }
.btn--sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn--lg { height: 46px; padding: 0 20px; font-size: 15px; font-weight: 600; }
.btn--block { width: 100%; }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 500; white-space: nowrap; background: var(--surface-3); color: var(--text-2);
}
.badge--wait { background: var(--warning-050); color: #b86e00; }
.badge--done { background: var(--success-050); color: #1b7f55; }
.badge--reject { background: var(--primary-050); color: var(--primary-700); }
.badge--info { background: var(--info-050); color: #1f63c2; }
.badge--purple { background: var(--purple-050); color: #5a3fd6; }
.badge--muted { background: var(--surface-3); color: var(--text-3); }
.badge svg { width: 12px; height: 12px; }

/* ---------- Tab dạng gạch chân (giống 1Office) ---------- */
.tabs { display: flex; gap: 24px; overflow-x: auto; scrollbar-width: none; }
.tab {
  position: relative; background: none; border: none; padding: 8px 0; white-space: nowrap;
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--primary); }
.tab.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; border-radius: 2px; background: var(--primary); }
.tab .count { margin-left: 4px; font-size: 11.5px; background: var(--primary); color: #fff; border-radius: 9px; padding: 0 6px; }

/* Tab dạng chip */
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--border-2);
  background: var(--surface); color: var(--text-2); font-size: 13px;
}
.chip.is-active { background: var(--text); border-color: var(--text); color: #fff; }

/* ---------- Bảng ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; font-size: 12.5px; font-weight: 600; color: var(--text-2);
  background: var(--surface-2); padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.table td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #fbfcfd; }
.table .num { font-variant-numeric: tabular-nums; text-align: right; }
.table .nowrap { white-space: nowrap; }
.table .actions { display: flex; gap: 6px; justify-content: flex-end; }
.person { display: flex; align-items: center; gap: 10px; }
.person__name { font-weight: 500; }
.person__sub { font-size: 12px; color: var(--text-3); }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field label, .field .label { display: block; font-size: 13px; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.field .req { color: var(--danger); }
.field .hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.input, .select, .textarea {
  width: 100%; height: 38px; padding: 0 12px; border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  background: var(--surface); transition: border-color .15s, box-shadow .15s;
}
.textarea { height: auto; min-height: 84px; padding: 10px 12px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--info); box-shadow: 0 0 0 3px var(--info-050); }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.check input { width: 16px; height: 16px; accent-color: var(--primary); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(17, 22, 32, .45); z-index: 100;
  display: grid; place-items: center; padding: 16px; animation: fadeIn .15s;
}
.modal {
  width: 100%; max-width: 560px; max-height: calc(100vh - 32px); overflow: auto;
  background: var(--surface); border-radius: 14px; box-shadow: var(--shadow-lg); animation: popIn .18s;
}
.modal--sm { max-width: 420px; }
.modal--lg { max-width: 760px; }
.modal__head { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal__title { font-size: 16px; font-weight: 600; flex: 1; }
.modal__close { border: none; background: none; width: 32px; height: 32px; border-radius: 8px; color: var(--text-3); font-size: 20px; line-height: 1; }
.modal__close:hover { background: var(--surface-3); color: var(--text); }
.modal__body { padding: 18px 20px; }
.modal__foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--border); background: var(--surface-2); border-radius: 0 0 14px 14px; }
.form-error { display: none; margin-bottom: 12px; padding: 9px 12px; border-radius: 8px; background: var(--primary-050); color: var(--primary-700); font-size: 13px; }
.form-error.is-show { display: block; }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* ---------- Toast ---------- */
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 260px; max-width: 380px; padding: 12px 14px; border-radius: 10px; background: #1f2430; color: #fff;
  box-shadow: var(--shadow-lg); font-size: 13.5px; display: flex; gap: 10px; align-items: flex-start; animation: popIn .2s;
}
.toast::before { content: ""; width: 4px; align-self: stretch; border-radius: 4px; background: var(--success); flex: none; }
.toast--error::before { background: var(--primary); }
@media (max-width: 720px) { .toasts { left: 12px; right: 12px; bottom: 76px; } .toast { max-width: none; } }

/* ---------- Đang tải ---------- */
.loading { padding: 48px; text-align: center; color: var(--text-3); }
.loading::before {
  content: ""; display: block; width: 26px; height: 26px; margin: 0 auto 10px; border-radius: 50%;
  border: 3px solid var(--border-2); border-top-color: var(--primary); animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Thành phần dùng chung nhiều module (bản 2)
   ============================================================ */

/* ---------- Đầu trang: tab + công cụ ---------- */
.page-head {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border-2); margin-bottom: 18px;
}
.page-head .tabs { flex: 1; min-width: 0; }
.page-tools { display: flex; align-items: center; gap: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }
.toolbar .select, .toolbar .input { width: auto; min-width: 180px; }
.search-box { position: relative; }
.search-box svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-3); width: 16px; height: 16px; }
.search-box .input { padding-left: 32px; }
@media (max-width: 720px) {
  .page-head .tabs { flex-basis: 100%; }
  .page-tools { padding: 0 0 10px; }
  .toolbar .select, .toolbar .input { min-width: 0; flex: 1; }
}

/* ---------- Chọn tháng ---------- */
.month-picker {
  display: inline-flex; align-items: center; height: 36px; border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); background: var(--surface); overflow: hidden;
}
.month-picker button { border: none; background: none; height: 100%; width: 34px; display: grid; place-items: center; color: var(--text-2); }
.month-picker button:hover { background: var(--surface-3); color: var(--text); }
.month-picker b { min-width: 76px; text-align: center; font-variant-numeric: tabular-nums; }

/* ---------- Thẻ số liệu ---------- */
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 6px; }
.kpi { border-radius: var(--radius-sm); padding: 10px 12px; background: var(--surface-2); }
.kpi small { display: block; font-size: 12px; color: var(--text-2); }
.kpi b { font-size: 20px; font-variant-numeric: tabular-nums; }
.kpi b span { font-size: 13px; font-weight: 500; color: var(--text-3); }
.kpi--green { background: var(--success-050); } .kpi--green b { color: #1b7f55; }
.kpi--blue { background: var(--info-050); } .kpi--blue b { color: #1f63c2; }
.kpi--purple { background: var(--purple-050); } .kpi--purple b { color: #5a3fd6; }
.kpi--orange { background: var(--warning-050); } .kpi--orange b { color: #b86e00; }
.kpi--red { background: var(--primary-050); } .kpi--red b { color: var(--primary-700); }
.metric { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border-2); }
.metric:last-child { border-bottom: none; }
.metric .k { color: var(--text-2); }
.metric .v { font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
.metric .v.red { color: var(--primary); }
.metric .v.green { color: var(--success); }
.metric .v.purple { color: var(--purple); }
.metric--total { border-top: 2px solid var(--border-2); border-bottom: none; padding-top: 12px; }
.metric--total .k { font-weight: 600; color: var(--text); }
.metric--total .v { font-size: 18px; color: var(--success); }

/* ---------- Danh sách thông tin (nhãn – giá trị) ---------- */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 20px; }
.info-grid .k { font-size: 12.5px; color: var(--text-3); }
.info-grid .v { font-weight: 500; word-break: break-word; }

/* ---------- Bố cục 2 cột: nội dung + cột phải ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--gap); align-items: start; }
.split > aside { display: flex; flex-direction: column; gap: var(--gap); }
.split > aside .card + .card { margin-top: 0; }
@media (max-width: 1180px) { .split { grid-template-columns: 1fr; } }

/* ---------- Menu con bên trái (Cài đặt) ---------- */
.subnav-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--gap); align-items: start; }
.subnav { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; position: sticky; top: calc(var(--top-h) + 16px); }
.subnav__group { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; color: var(--text-3); padding: 12px 10px 6px; }
.subnav__group:first-child { padding-top: 4px; }
.subnav__item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: none; background: none; border-radius: 8px; text-align: left; color: var(--text-2); }
.subnav__item svg { width: 17px; height: 17px; }
.subnav__item:hover { background: var(--surface-2); color: var(--text); }
.subnav__item.is-active { background: #fdf1f0; color: var(--primary); font-weight: 500; }
@media (max-width: 900px) {
  .subnav-layout { grid-template-columns: 1fr; }
  .subnav { position: static; display: flex; overflow-x: auto; gap: 4px; padding: 6px; }
  .subnav__group { display: none; }
  .subnav__item { white-space: nowrap; width: auto; }
}

/* ---------- Nhật ký hoạt động ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; padding: 0 0 14px 22px; }
.timeline li::before { content: ""; position: absolute; left: 5px; top: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--info); }
.timeline li::after { content: ""; position: absolute; left: 8.5px; top: 16px; bottom: 0; width: 1px; background: var(--border-2); }
.timeline li:last-child::after { display: none; }
.timeline small { display: block; color: var(--text-3); font-size: 12px; }

/* ---------- Bảng nhập nhiều dòng (dòng chi tiết phiếu) ---------- */
.lines { width: 100%; border-collapse: collapse; }
.lines th { text-align: left; font-size: 12.5px; color: var(--text-2); font-weight: 600; padding: 6px 6px; }
.lines td { padding: 4px 6px; vertical-align: top; }
.lines .input { height: 34px; }
.lines .num { text-align: right; }
.lines .del { border: none; background: none; color: var(--text-3); width: 30px; height: 34px; border-radius: 6px; }
.lines .del:hover { color: var(--danger); background: var(--primary-050); }
.input.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Khác ---------- */
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; background: var(--surface-3); color: var(--text-2); margin: 1px 2px 1px 0; }
.pill--red { background: var(--primary-050); color: var(--primary-700); }
.pill--orange { background: var(--warning-050); color: #b86e00; }
.pill--green { background: var(--success-050); color: #1b7f55; }
.section-title { font-size: 13px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: .3px; margin: 18px 0 10px; }
.notice { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--info-050); color: #1f63c2; font-size: 13.5px; margin-bottom: 14px; }
.notice--warn { background: var(--warning-050); color: #8a5300; }
.notice--red { background: var(--primary-050); color: var(--primary-700); }
.is-hidden { display: none !important; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.table tbody tr.clickable { cursor: pointer; }
.table tbody tr.clickable:hover td { background: #f7f9fc; }