/* รอบ 39: คืนสินค้าให้ผู้จำหน่าย (/supplier-returns + Components/SupplierReturnEditor.razor + SupplierReturnPrint.razor)
   - โครง .fit ของ fit.css + ชิปช่วงเวลา/ตัวกรอง/ช่องจ่ายจากของ expenses.css + ชิ้นส่วนของ purchase.css (.po-bar, .po-sup-filter, .po-chip, .po-mbar)
     และ quotes.css (.qt-ed-* โครงฟอร์ม, .qt-in, .qt-presults, .qt-d-*, .qt-sum-row)
   - สีวิธีชดเชยมาจากตัวแปร --ss (ตั้งด้วยคลาส .ss-<settle>) ใช้ตัวแปรธีม + override โหมดมืดท้ายไฟล์
   - พิมพ์: html[data-print="sr"] → พิมพ์เฉพาะ .sr-print บนกระดาษ A4 (ผูกด้วย :has() จึงไม่กระทบการพิมพ์หน้าอื่น) */

@media screen {
  /* ---------- สีวิธีชดเชย ---------- */
  .ss-credit { --ss: #2F6FB3; }
  .ss-refund { --ss: var(--ok); }
  .ss-replace { --ss: #B7791F; }
  .ss-all { --ss: var(--ink); }

  .sr-badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 1px 10px; border-radius: 999px; white-space: nowrap;
    font-size: .78rem; font-weight: 700; color: var(--ss); background: color-mix(in srgb, var(--ss) 13%, transparent);
  }
  .sr-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ss); }
  .sr-dot { flex: none; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--ss, var(--muted)); }

  /* ---------- หัว + ตัวเลขสรุป ---------- */
  .sr-tools { gap: 8px; }
  .sr-search { width: 250px; }
  .sr-add-btn { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; }
  .sr-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sr-stats .fit-stat small { font-size: .78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sr-stat-total { background: var(--brand); color: var(--brand-ink); }
  .sr-stat-total.fit-stat.hl strong { color: var(--brand-ink); }
  .sr-stat-total > span, .sr-stat-total > small { color: var(--brand-ink); opacity: .85; }
  button.fit-stat.sr-stat { font: inherit; text-align: left; cursor: pointer; border: 1px solid var(--line); box-shadow: var(--shadow), inset 3px 0 0 var(--ss); }
  button.fit-stat.sr-stat:hover { border-color: color-mix(in srgb, var(--ss) 45%, var(--line)); }
  .sr-stat strong { color: var(--ss); }
  .sr-stat.ss-replace.warn { background: color-mix(in srgb, var(--ss) 9%, var(--surface)); }

  /* ---------- รายการ ---------- */
  .panel.sr-main { padding: 12px 14px 6px; }
  .sr-chip { --cat: var(--ss, var(--ink)); }
  .sr-chip.on { border-color: var(--ss, var(--ink)); background: color-mix(in srgb, var(--ss, var(--ink)) 12%, var(--surface)); }
  .sr-scroll.table-wrap { border: 0; border-radius: 0; background: transparent; }
  .sr-table td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
  .sr-table th { padding: 9px 12px; white-space: nowrap; }
  .sr-table tr:last-child td { border-bottom: 0; }
  .sr-row { cursor: pointer; }
  .sr-row:hover td { background: var(--brand-tint); }
  .sr-row.open td { background: var(--brand-soft); }
  .sr-c-no { white-space: nowrap; }
  .sr-c-no strong { font-weight: 700; font-size: .9rem; }
  .sr-c-date { white-space: nowrap; color: var(--muted); font-size: .86rem; }
  .sr-c-sup { max-width: 340px; }
  .sr-sup-name { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .sr-sub { display: block; font-size: .78rem; line-height: 1.35; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .sr-c-po { white-space: nowrap; font-size: .86rem; color: var(--muted); }
  .sr-c-items { color: var(--muted); width: 70px; }
  .sr-c-val { white-space: nowrap; }
  .sr-c-val strong { font-weight: 700; }
  .sr-c-settle { white-space: nowrap; }
  .sr-c-by { white-space: nowrap; font-size: .86rem; color: var(--muted); max-width: 160px; overflow: hidden; text-overflow: ellipsis; }
  .sr-empty { display: flex; flex-direction: column; align-items: center; gap: 10px; border: 0; margin: auto 0; }

  /* ---------- ลิ้นชัก ---------- */
  .drw-sub .sr-badge { margin-right: 2px; }
  .sr-d-settle { background: color-mix(in srgb, var(--ss) 10%, var(--surface)) !important; border-color: color-mix(in srgb, var(--ss) 30%, var(--line)) !important; }
  .sr-d-settle strong { color: var(--ss); }
  .sr-d-settle small { overflow-wrap: anywhere; }
  .sr-d-link { display: inline-flex; align-self: flex-start; margin-top: 4px; text-decoration: none; }
  .drw-foot .sr-foot-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
  a.btn.sr-po-return { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }

  /* ---------- ฟอร์ม (ต่อยอด .qt-ed-* ของ quotes.css) ---------- */
  .sr-ed .qt-ed-tools .btn { min-height: 42px; }
  .sr-submit { min-width: 150px; }
  .sr-ed-add { flex-wrap: wrap; }
  .sr-quick { display: inline-flex; gap: 6px; flex: none; }
  .sr-quick .btn { min-height: 42px; white-space: nowrap; }
  .sr-prior {
    display: flex; align-items: flex-start; gap: 8px; margin: 0 0 8px; padding: 8px 12px; border-radius: 12px; font-size: .82rem; line-height: 1.4;
    background: var(--warn-soft); color: var(--warn-text, #7a5300);
  }
  .sr-prior svg { flex: none; margin-top: 2px; }
  .sr-lines-wrap.table-wrap { border: 0; border-radius: 0; background: transparent; }
  .sr-lines th { padding: 8px 6px; font-size: .8rem; white-space: nowrap; }
  .sr-lines td { padding: 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
  .sr-lines tr:last-child td { border-bottom: 0; }
  .sr-lines .sr-l-no { width: 30px; text-align: center; color: var(--muted); padding-top: 14px; font-size: .84rem; }
  .sr-lines .sr-l-prod { min-width: 200px; padding-top: 9px; }
  .sr-l-name { display: block; font-weight: 600; font-size: .92rem; line-height: 1.3; overflow-wrap: anywhere; }
  .sr-l-sub { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 6px; margin-top: 2px; font-size: .74rem; line-height: 1.35; }
  .sr-src-tag {
    display: inline-flex; padding: 0 7px; border-radius: 999px; font-size: .68rem; font-weight: 700; white-space: nowrap;
    background: color-mix(in srgb, #2F6FB3 12%, var(--surface)); color: #2F6FB3;
  }
  .sr-src-tag.free { background: var(--chip); color: var(--muted); }
  .sr-warn { display: block; margin-top: 3px; font-size: .74rem; font-weight: 600; color: var(--warn-text, #7a5300); }
  .sr-warn.bad { color: var(--danger); }
  .sr-lines .sr-l-unit { width: 108px; }
  .sr-lines .sr-l-qty { width: 128px; }
  .sr-lines .sr-l-price { width: 130px; }
  .sr-lines .sr-l-amt { width: 130px; padding-top: 14px; white-space: nowrap; font-size: .92rem; }
  .sr-lines .sr-l-act { width: 48px; text-align: center; }
  .sr-lines .sr-l-act .qt-ico-btn { width: 34px; height: 38px; border-radius: 9px; }
  .sr-lines select.qt-in { padding-right: 4px; }
  .sr-qty-box { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
  .sr-max-btn {
    align-self: flex-end; padding: 0 8px; border: 0; border-radius: 999px; background: var(--chip); color: var(--muted);
    font: inherit; font-size: .7rem; font-weight: 600; white-space: nowrap; cursor: pointer;
  }
  .sr-max-btn:hover { background: var(--brand-soft); color: var(--brand-strong, var(--brand)); }
  .sr-line td:first-child { box-shadow: inset 3px 0 0 transparent; }
  .sr-line.on td:first-child { box-shadow: inset 3px 0 0 var(--brand); }
  .sr-line.on { background: color-mix(in srgb, var(--brand) 4%, transparent); }
  .sr-line:not(.on) .sr-l-name { color: var(--muted); }
  .sr-line.warn td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
  .sr-line .qt-in::placeholder { color: color-mix(in srgb, var(--muted) 80%, transparent); }
  .sr-price-hint { margin: 6px 4px 4px; }
  .sr-ed-empty { display: flex; flex-direction: column; align-items: center; gap: 8px; }

  .sr-load-btn { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; }
  .sr-reason-chips { display: flex; flex-wrap: wrap; gap: 6px; }
  .sr-reason-chips .chip { cursor: pointer; font: inherit; font-size: .84rem; padding: 4px 12px; }

  .sr-settle { display: flex; flex-direction: column; gap: 8px; }
  .sr-settle-card {
    display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px;
    background: var(--surface); color: var(--ink); font: inherit; text-align: left; cursor: pointer;
  }
  .sr-settle-card:hover:not(:disabled) { border-color: color-mix(in srgb, var(--ss) 55%, var(--line)); }
  .sr-settle-card.on { border-color: var(--ss); background: color-mix(in srgb, var(--ss) 10%, var(--surface)); box-shadow: inset 0 0 0 1px var(--ss); }
  .sr-settle-card:disabled { cursor: not-allowed; background: var(--chip); }
  .sr-settle-card:disabled .sr-settle-text strong, .sr-settle-card:disabled .sr-settle-ico { opacity: .55; }
  .sr-settle-ico { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px; color: var(--ss); background: color-mix(in srgb, var(--ss) 13%, var(--surface)); }
  .sr-settle-text { display: flex; flex-direction: column; flex: 1 1 auto; min-width: 0; line-height: 1.3; }
  .sr-settle-text strong { font-size: .92rem; }
  .sr-settle-text small { color: var(--muted); font-size: .76rem; }
  .sr-settle-card.off .sr-settle-text small { color: var(--warn-text, #7a5300); }
  .sr-settle-radio { flex: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); }
  .sr-settle-card.on .sr-settle-radio { border-color: var(--ss); background: radial-gradient(circle, var(--ss) 0 4px, transparent 5px); }
  .sr-refund { display: flex; flex-direction: column; gap: 8px; padding: 10px; border-radius: 14px; background: var(--chip); }
  .sr-refund-label { font-size: .82rem; font-weight: 600; color: var(--muted); }
  .sr-refund .exp-pfseg button { background: var(--surface); }
  .sr-settle-hint.warn { padding: 8px 10px; border-radius: 10px; background: var(--warn-soft); color: var(--warn-text, #7a5300); }
  .sr-sums { gap: 5px; }
  .sr-ed-mbar { display: none; }
}

/* ---------- จอคอม ---------- */
@media screen and (min-width: 1025px) {
  .sr-fit .fit-body > .sr-main { flex: 1 1 auto; min-height: 0; overflow: hidden; }
  .sr-ed-main > .sr-lines-wrap { flex: 1 1 auto; min-height: 0; }
}
@media screen and (min-width: 1025px) and (max-width: 1360px) {
  .sr-search { width: 190px; }
  .sr-c-sup { max-width: 220px; }
  .sr-table td, .sr-table th { padding-left: 8px; padding-right: 8px; }
  .sr-c-items { display: none; }
  .sr-lines .sr-l-no { display: none; }
  .sr-lines th, .sr-lines td { padding-left: 4px; padding-right: 4px; }
  .sr-lines .sr-l-prod { min-width: 150px; }
  .sr-lines .sr-l-unit { width: 96px; }
  .sr-lines .sr-l-qty { width: 100px; }
  .sr-lines .sr-l-price { width: 104px; }
  .sr-lines .sr-l-amt { width: 108px; font-size: .86rem; }
  .sr-ed .qt-ed-tools .btn { padding-left: 12px; padding-right: 12px; }
  .sr-submit { min-width: 0; }
}
@media screen and (min-width: 1500px) {
  .sr-c-sup { max-width: 460px; }
}
@media screen and (min-width: 761px) and (max-width: 1024px) {
  .sr-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- มือถือ ---------- */
@media screen and (max-width: 760px) {
  .sr-tools { flex-wrap: wrap; }
  .sr-tools .po-branch { flex: 1 1 100%; }
  .sr-tools .sr-add-btn { display: none; }
  .sr-search { width: auto; }
  .sr-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sr-stats .fit-stat { padding: 10px 12px; }

  .panel.sr-main { padding: 0; background: none; border: 0; box-shadow: none; }
  .sr-chips { margin: 0 -16px; padding: 2px 16px 8px; scrollbar-width: none; }
  .sr-chips::-webkit-scrollbar { display: none; }
  .sr-table thead { display: none; }
  .sr-table, .sr-table tbody { display: block; width: 100%; }
  .sr-table tr.sr-row {
    display: grid; grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "sup sup val" "no date settle" "po po by";
    align-items: center; gap: 5px 10px; margin-bottom: 8px; padding: 11px 14px;
    border: 1px solid var(--line); border-left: 4px solid var(--ss, var(--line)); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow);
  }
  .sr-table tr.sr-row td { display: block; padding: 0 !important; border: 0; background: none !important; max-width: none; width: auto; min-width: 0; }
  .sr-table .sr-c-sup { grid-area: sup; }
  .sr-table .sr-c-val { grid-area: val; font-size: 1.04rem; text-align: right; }
  .sr-table .sr-c-no { grid-area: no; }
  .sr-table .sr-c-no strong { font-size: .8rem; font-weight: 600; color: var(--muted); }
  .sr-table .sr-c-date { grid-area: date; font-size: .78rem; }
  .sr-table .sr-c-settle { grid-area: settle; justify-self: end; }
  .sr-table .sr-c-po { grid-area: po; font-size: .78rem; }
  .sr-table .sr-c-by { grid-area: by; justify-self: end; font-size: .78rem; }
  .sr-table .sr-c-items { display: none !important; }
  .sr-mbar.po-mbar { display: block; }

  /* ฟอร์ม */
  .sr-ed-add .qt-psearch { flex: 1 1 100%; }
  .sr-quick { flex: 1 1 100%; }
  .sr-quick .btn { flex: 1 1 0; min-height: 40px; }
  .sr-lines thead { display: none; }
  .sr-lines, .sr-lines tbody { display: block; width: 100%; }
  .sr-lines tr.sr-line {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-bottom: 10px; padding: 10px 12px 12px;
    border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow);
  }
  .sr-lines tr.sr-line.on { border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); background: var(--brand-tint); }
  .sr-lines tr.sr-line.warn { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); }
  .sr-lines tr.sr-line td { display: block; width: auto !important; min-width: 0 !important; padding: 0 !important; border: 0; box-shadow: none !important; }
  .sr-lines .sr-l-no { display: none !important; }
  .sr-lines .sr-l-prod { grid-column: 1 / -1; }
  .sr-lines .sr-l-unit { grid-column: 1 / 2; grid-row: 2; }
  .sr-lines .sr-l-qty { grid-column: 2 / 3; grid-row: 2; }
  .sr-lines .sr-l-price { grid-column: 3 / 4; grid-row: 2; }
  .sr-lines .sr-l-amt { grid-column: 1 / 3; grid-row: 3; align-self: center; text-align: left; font-size: 1rem; }
  .sr-lines .sr-l-act { grid-column: 3 / 4; grid-row: 3; align-self: end; text-align: right; }
  .sr-lines td[data-label]::before { content: attr(data-label); display: block; margin-bottom: 2px; color: var(--muted); font-size: .72rem; }
  .sr-lines .sr-l-unit .qt-unit-fixed { min-height: 38px; padding: 0 2px; }
  .sr-max-btn { align-self: stretch; text-align: center; padding: 2px 6px; }
  .sr-ed .qt-in { font-size: 16px; }
  .sr-ed-mbar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; position: sticky; bottom: calc(76px + env(safe-area-inset-bottom)); z-index: 15;
    margin: 0 -16px; padding: 8px 16px 10px; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -6px 18px rgba(0,0,0,.08);
  }
  .sr-ed-mbar .qt-ed-total { flex: 1 1 100%; flex-direction: row; align-items: baseline; justify-content: space-between; padding: 0; min-width: 0; }
  .sr-ed-mbar .qt-ed-total strong { font-size: 1.15rem; }
  .sr-ed-mbar .btn { flex: 1 1 0; min-width: 0; min-height: 46px; padding-left: 10px; padding-right: 10px; font-size: .9rem; }
  .drw-foot .sr-foot-btn { flex: 1 1 100%; }
}

/* ---------- โหมดมืด ---------- */
@media screen {
  html[data-theme="dark"] .ss-credit { --ss: #8CC4F2; }
  html[data-theme="dark"] .ss-replace { --ss: #F0B44C; }
  html[data-theme="dark"] .sr-stat-total { background: color-mix(in srgb, var(--brand) 70%, #1F1D1B); }
  html[data-theme="dark"] .sr-src-tag:not(.free) { color: #8CC4F2; background: color-mix(in srgb, #8CC4F2 14%, var(--surface)); }
  html[data-theme="dark"] .sr-prior, html[data-theme="dark"] .sr-settle-hint.warn { background: color-mix(in srgb, #F0B44C 12%, var(--surface)); color: #F5CC80; }
  html[data-theme="dark"] .sr-warn:not(.bad), html[data-theme="dark"] .sr-settle-card.off .sr-settle-text small { color: #F0B44C; }
  html[data-theme="dark"] .sr-ed-mbar { box-shadow: 0 -6px 18px rgba(0,0,0,.4); }
}

/* ---------- ส่วนเสริมของกระดาษใบคืนสินค้า (บนจอและตอนพิมพ์) ---------- */
.sr-plines .po-pdesc { overflow-wrap: anywhere; }
.sr-pfoot { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; break-inside: avoid; }
.sr-prefs { display: flex; flex-direction: column; gap: 4px; min-width: 0; flex: 1 1 auto; }
.sr-prefs > div { display: flex; gap: 10px; }
.sr-prefs > div span { flex: none; color: #555; min-width: 110px; }
.sr-prefs > div strong { overflow-wrap: anywhere; }
.sr-pnote { margin: 4px 0 0; color: #555; font-size: .88em; }
.sr-psum { flex: none; }
.sr-sign { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
@media screen and (max-width: 760px) {
  .sr-plines .po-psku { display: none; }
  .sr-pfoot { flex-direction: column; align-items: stretch; }
  .sr-sign { gap: 10px; }
  .sr-paper .dbt-lines { font-size: .84em; }
}

/* =========================== พิมพ์ใบคืนสินค้า (A4) =========================== */
@page sr-a4 { size: A4; margin: 12mm; }
@media print {
  html[data-print="sr"]:has(.sr-print), html[data-print="sr"]:has(.sr-print) body {
    margin: 0 !important; padding: 0 !important; height: auto !important; overflow: visible !important;
    background: #fff !important; color: #111 !important; page: sr-a4;
  }
  html[data-print="sr"]:has(.sr-print) body *:not(:has(.sr-print)):not(.sr-print):not(.sr-print *) { display: none !important; }
  html[data-print="sr"]:has(.sr-print) body *:has(.sr-print) {
    display: block !important; position: static !important; inset: auto !important;
    margin: 0 !important; padding: 0 !important; border: 0 !important; border-radius: 0 !important;
    width: auto !important; max-width: none !important; min-width: 0 !important;
    height: auto !important; min-height: 0 !important; max-height: none !important;
    overflow: visible !important; background: none !important; box-shadow: none !important; transform: none !important;
    animation: none !important; zoom: 1 !important;
  }
  html[data-print="sr"] .sr-print, html[data-print="sr"] .sr-print * { visibility: visible !important; }
  html[data-print="sr"] .sr-print { display: block !important; position: static !important; }
  html[data-print="sr"] .sr-paper {
    max-width: none !important; margin: 0 !important; padding: 0 !important; box-shadow: none !important; border-radius: 0 !important;
    font-size: 10.5pt; gap: 4.5mm;
  }
}