.screen-calculator-dialog {
  width: min(1500px, 96vw);
  height: min(94dvh, 980px);
  max-width: none;
  max-height: none;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  color: var(--ink);
  border: 0;
  border-radius: 20px;
  background: #edf2ef;
  box-shadow: 0 32px 90px rgba(16, 43, 36, .28);
}

.screen-calculator-dialog::backdrop { background: rgba(13, 35, 29, .62); backdrop-filter: blur(6px); }
.screen-calculator-shell { min-height: 100%; background: radial-gradient(circle at 4% 0%, rgba(217, 156, 85, .1), transparent 24rem), #edf2ef; }
.screen-calculator-print { display: none; }
.screen-calculator-open .preview-float { display: none; }

.screen-module-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(23, 63, 54, .1);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
}

.screen-module-brand { min-width: 0; display: flex; align-items: center; gap: 12px; padding: 0; border: 0; background: none; text-align: left; cursor: pointer; }
.screen-module-mark { width: 40px; height: 40px; flex: 0 0 40px; display: grid; place-items: center; color: white; border-radius: 10px; background: var(--brand); font-size: .78rem; font-weight: 800; }
.screen-module-brand strong { display: block; color: var(--ink); font: 700 1.05rem/1.15 Georgia, "Microsoft YaHei", serif; }
.screen-module-brand small { display: block; margin-top: 4px; color: var(--muted); font-size: .63rem; }
.screen-module-actions { display: flex; align-items: center; gap: 8px; }

.screen-header-button, .screen-square-button, .screen-button, .screen-add {
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.screen-header-button:hover, .screen-square-button:hover, .screen-button:hover, .screen-add:hover { transform: translateY(-1px); border-color: var(--brand-2); }
.screen-header-button { min-height: 40px; padding: 0 13px; color: var(--brand); font-size: .68rem; font-weight: 800; }
.screen-square-button { width: 40px; height: 40px; display: grid; place-items: center; color: var(--brand); font-size: 1.25rem; font-weight: 500; }
.screen-language { height: 40px; max-width: 180px; padding: 0 32px 0 11px; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; background: var(--soft); font-size: .68rem; }
.screen-font-control { height: 40px; display: grid; grid-template-columns: 34px 44px 34px; overflow: hidden; color: var(--brand); border: 1px solid var(--line); border-radius: 10px; background: white; }
.screen-font-control button { padding: 0; border: 0; background: transparent; font-weight: 800; cursor: pointer; }
.screen-font-control button:hover { background: var(--soft); }
.screen-font-control span { display: grid; place-items: center; color: var(--muted); font-size: .58rem; }
.module-button { height: auto; min-height: 38px; max-width: 15rem; padding-top: 6px; padding-bottom: 6px; line-height: 1.2; white-space: normal; text-align: center; }
.module-button .bi-text { align-items: center; text-align: center; }
.screen-header-button, .screen-button, .screen-add { height: auto; white-space: normal; line-height: 1.25; text-align: center; }

.screen-module-grid { width: min(1420px, calc(100% - 38px)); margin: 0 auto; padding: 30px 0 54px; display: grid; grid-template-columns: minmax(0, 1fr) 328px; gap: 24px; align-items: start; }
.screen-module-workspace { min-width: 0; }
.screen-workspace-actions { display: flex; justify-content: flex-end; margin-bottom: 10px; }
.screen-button { min-height: 44px; padding: 0 16px; font-size: .68rem; font-weight: 800; }
.screen-button.secondary { color: var(--muted); background: transparent; }
.screen-button.primary { color: white; border-color: var(--brand); background: var(--brand); }
.screen-button.accent { color: #412c14; border-color: var(--accent); background: #f1b66f; }
.screen-items { display: grid; gap: 12px; }

.screen-item-card {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(145px, 1fr) 18px minmax(145px, 1fr) 112px 142px 28px;
  gap: 12px;
  align-items: end;
  padding: 18px 17px 15px;
  border: 1px solid rgba(23, 63, 54, .1);
  border-radius: 15px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 8px 26px rgba(29, 56, 47, .05);
}
.screen-item-number { align-self: center; color: #98a39e; font-family: Consolas, monospace; font-size: .62rem; font-weight: 700; }
.screen-input-group > span:first-child { display: block; margin: 0 0 6px 2px; color: var(--muted); font-size: .62rem; font-weight: 700; }
.screen-number-field, .screen-setting-input { height: 42px; display: flex; align-items: center; overflow: hidden; border: 1px solid #cfd9d4; border-radius: 9px; background: white; transition: border-color .16s ease, box-shadow .16s ease; }
.screen-number-field:focus-within, .screen-setting-input:focus-within { border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(46, 104, 90, .1); }
.screen-number-field input, .screen-setting-input input, .screen-setting-input select { min-width: 0; width: 100%; height: 100%; padding: 0 10px; color: var(--ink); border: 0; outline: 0; background: transparent; font-weight: 750; font-variant-numeric: tabular-nums; }
.screen-number-field em, .screen-setting-input em { padding-right: 10px; color: #86918c; white-space: nowrap; font-size: .56rem; font-style: normal; }
.screen-times { align-self: center; padding-top: 17px; color: #a5afaa; text-align: center; }
.screen-item-price { min-height: 42px; display: flex; flex-direction: column; justify-content: center; text-align: right; }
.screen-item-price span { color: var(--muted); font-size: .56rem; }
.screen-item-price strong { margin-top: 4px; color: var(--brand); font-size: .96rem; font-variant-numeric: tabular-nums; }
.screen-remove { width: 28px; height: 28px; align-self: center; margin-top: 16px; padding: 0; color: #929c97; border: 0; border-radius: 50%; background: transparent; cursor: pointer; font-size: 1.05rem; }
.screen-remove:hover:not(:disabled) { color: var(--danger); background: #faecea; }
.screen-remove:disabled { cursor: default; opacity: .28; }
.screen-cut-note { grid-column: 2 / -1; min-height: 34px; display: flex; align-items: center; gap: 11px; margin-top: 2px; padding: 7px 10px; color: #56645e; border-radius: 8px; background: #f1f5f2; font-size: .6rem; }
.screen-cut-note > b { color: var(--brand-2); letter-spacing: .04em; }
.screen-cut-note strong { color: var(--ink); }
.screen-cut-note i { width: 1px; height: 14px; background: #ccd7d1; }
.screen-cut-note em { margin-left: auto; color: var(--muted); font-style: normal; }
.screen-cut-note.error { color: var(--danger); background: #faecea; }
.screen-add { width: 100%; min-height: 52px; margin-top: 14px; display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--brand); border-style: dashed; border-color: #aab8b1; background: rgba(255, 255, 255, .45); font-weight: 800; }
.screen-add:hover { background: white; }
.screen-add span { font-size: 1.05rem; }

.screen-summary { position: sticky; top: 96px; overflow: hidden; color: white; border-radius: 17px; background: var(--brand); box-shadow: 0 22px 50px rgba(15, 48, 40, .18); }
.screen-summary-top { padding: 25px 24px 22px; background: linear-gradient(135deg, transparent 65%, rgba(217, 156, 85, .16)), var(--brand); }
.screen-summary-top p { margin: 0 0 7px; color: rgba(255, 255, 255, .65); font-size: .68rem; }
.screen-summary-top strong { display: block; font-size: 1.72rem; line-height: 1.1; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.screen-summary-top > span { display: block; margin-top: 8px; color: rgba(255, 255, 255, .48); font-size: .56rem; }
.screen-summary-stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255, 255, 255, .1); border-bottom: 1px solid rgba(255, 255, 255, .1); }
.screen-summary-stats div { min-height: 76px; padding: 14px 18px; display: flex; flex-direction: column; justify-content: center; }
.screen-summary-stats div:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .1); }
.screen-summary-stats div:nth-child(-n + 2) { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.screen-summary-stats span { color: rgba(255, 255, 255, .54); font-size: .56rem; }
.screen-summary-stats b { margin-top: 5px; font-size: .76rem; }
.screen-summary > .screen-button { width: calc(100% - 32px); min-height: 50px; margin: 16px; }

.screen-settings-backdrop { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 20px; background: rgba(13, 35, 29, .6); backdrop-filter: blur(5px); }
.screen-settings-panel, .screen-print-customer { width: min(780px, 100%); max-height: calc(100dvh - 44px); overflow-y: auto; padding: 26px; border-radius: 18px; background: #fbfcfa; box-shadow: 0 28px 80px rgba(8, 30, 24, .28); }
.screen-print-customer { width: min(590px, 100%); }
.screen-settings-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.screen-settings-header h2 { margin: 4px 0 0; color: var(--brand); font: 600 1.45rem/1.18 Georgia, "Microsoft YaHei", serif; }
.screen-settings-intro { margin: 9px 0 20px; color: var(--muted); font-size: .65rem; }
.screen-customer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.screen-customer-grid label { min-width: 0; display: grid; gap: 7px; color: var(--ink); font-size: .66rem; font-weight: 700; }
.screen-customer-grid small { color: var(--muted); font-size: .52rem; font-weight: 500; }
.screen-customer-grid input { width: 100%; height: 44px; padding: 0 12px; color: var(--ink); border: 1px solid #cfd9d4; border-radius: 9px; outline: 0; background: white; }
.screen-customer-grid input:focus { border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(46, 104, 90, .1); }
.screen-settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.screen-setting-field { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 10px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: white; }
.screen-setting-field > span:first-child { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.screen-setting-field b { font-size: .66rem; }
.screen-setting-field small { color: var(--muted); font-size: .52rem; line-height: 1.35; }
.screen-setting-input { height: 38px; }
.screen-setting-input input, .screen-setting-input select { font-size: .65rem; }
.screen-formula { margin-top: 14px; padding: 13px 15px; color: #53615b; border-left: 3px solid var(--accent); border-radius: 4px 9px 9px 4px; background: var(--accent-soft); font-size: .62rem; }
.screen-formula > b { color: #92622d; }
.screen-formula p { margin: 5px 0 0; }
.screen-settings-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 20px; }

@media (max-width: 1120px) {
  .screen-module-grid { grid-template-columns: 1fr; }
  .screen-summary { position: static; display: grid; grid-template-columns: 1.05fr 1.4fr; }
  .screen-summary-top { grid-row: 1 / 3; }
  .screen-summary > .screen-button { display: block; grid-column: 2; width: calc(100% - 32px); min-height: 50px; margin: 16px; }
  .screen-item-card { grid-template-columns: 32px minmax(135px, 1fr) 16px minmax(135px, 1fr) 104px 132px 28px; }
}

@media (max-width: 780px) {
  .screen-calculator-dialog {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    border-radius: 0;
  }
  .screen-module-header { align-items: flex-start; flex-wrap: wrap; padding: 11px 14px; }
  .screen-module-brand small { display: none; }
  .screen-module-actions { flex: 0 0 auto; }
  .screen-header-button { min-width: 44px; min-height: 44px; padding: 7px 10px; }
  .screen-square-button { width: 44px; height: 44px; }
  .screen-module-grid { width: min(100% - 24px, 660px); padding: 20px 0 44px; }
  .screen-item-card { grid-template-columns: 28px minmax(0, 1fr) 14px minmax(0, 1fr) 72px 28px; gap: 8px; padding: 15px 11px 12px; }
  .screen-quantity { grid-column: 5; }
  .screen-item-price { grid-column: 2 / 6; grid-row: 2; align-items: flex-start; min-height: auto; text-align: left; }
  .screen-remove { grid-column: 6; grid-row: 1; }
  .screen-cut-note { grid-column: 2 / -1; grid-row: 3; flex-wrap: wrap; gap: 7px 9px; }
  .screen-cut-note i, .screen-cut-note em { display: none; }
  .screen-settings-grid { grid-template-columns: 1fr; }
  .screen-customer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .module-button { flex: 1 1 100%; max-width: none; min-height: 50px; justify-content: center; }
  .module-button .bi-text { max-width: 100%; }
  .screen-module-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
  .screen-module-brand { min-width: 0; }
  .screen-module-brand strong { overflow-wrap: anywhere; }
  .screen-module-actions { width: auto; }
  .screen-header-button span { display: none; }
  .screen-workspace-actions { display: none; }
  .screen-item-card { grid-template-columns: 24px 1fr 12px 1fr 28px; }
  .screen-quantity { grid-column: 2 / 5; grid-row: 2; }
  .screen-item-price { grid-column: 2 / 5; grid-row: 3; margin-top: 4px; }
  .screen-remove { grid-column: 5; }
  .screen-cut-note { grid-column: 2 / -1; grid-row: 4; }
  .screen-cut-note > b { width: 100%; }
  .screen-summary { display: block; }
  .screen-summary-top strong { font-size: 1.45rem; }
  .screen-settings-panel, .screen-print-customer { padding: 20px 14px; }
  .screen-setting-field { grid-template-columns: minmax(0, 1fr) 132px; padding: 10px; }
}

@media print {
  body.screen-calculator-printing { width: auto !important; min-width: 0 !important; background: white; }
  body.screen-calculator-printing .app-shell,
  body.screen-calculator-printing .toast,
  body.screen-calculator-printing .print-sheet,
  body.screen-calculator-printing .screen-calculator-shell { display: none !important; }
  body.screen-calculator-printing .screen-calculator-dialog { position: static; width: auto; height: auto; display: block !important; overflow: visible; border-radius: 0; box-shadow: none; }
  body.screen-calculator-printing .screen-calculator-print { display: block; color: #111; font: 10px Arial, "Microsoft YaHei", sans-serif; }
  body.screen-calculator-printing .screen-calculator-print header { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: 5mm; border-bottom: 1.2px solid #111; }
  body.screen-calculator-printing .screen-calculator-print header div { display: flex; flex-direction: column; gap: 2mm; }
  body.screen-calculator-printing .screen-calculator-print header strong { font: 700 22px Georgia, serif; }
  body.screen-calculator-printing .screen-calculator-print header span { font-weight: 700; }
  body.screen-calculator-printing .screen-calculator-print header p { margin: 0; }
  body.screen-calculator-printing .screen-calculator-print table { width: 100%; margin-top: 6mm; table-layout: fixed; border-collapse: collapse; }
  body.screen-calculator-printing .screen-calculator-print th,
  body.screen-calculator-printing .screen-calculator-print td { padding: 3mm 2mm; border: 1px solid #777; text-align: center; }
  body.screen-calculator-printing .screen-calculator-print th { background: #edf2ef; }
  body.screen-calculator-printing .screen-print-customer-line { display: flex; gap: 12mm; margin-top: 4mm; padding: 2.5mm 3mm; border: 1px solid #aaa; }
  body.screen-calculator-printing .screen-print-summary { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 6mm; border: 1px solid #777; }
  body.screen-calculator-printing .screen-print-summary div { padding: 4mm; display: flex; flex-direction: column; gap: 2mm; border-right: 1px solid #777; }
  body.screen-calculator-printing .screen-print-summary div:last-child { border-right: 0; }
  body.screen-calculator-printing .screen-print-summary span { color: #555; }
  body.screen-calculator-printing .screen-print-summary b { font-size: 12px; }
  body.screen-calculator-printing .screen-print-note { margin-top: 5mm; padding: 3mm; border-left: 3px solid #555; background: #f5f5f5; }
  body.screen-calculator-printing .bi-secondary { display: block; margin-top: 1mm; }
}