/* ════════════════════════════════════════════════════════════
   tools/receipt-voucher/style.css
   ใบสำคัญรับเงิน — inline-editable A4 preview
   ════════════════════════════════════════════════════════════ */

body.tool-receipt {
  --primary:       #4A5A6C;
  --primary-dark:  #2E3A47;
  --primary-deep:  #1A2530;
  --primary-bg:    #EEF2F7;
  --primary-soft:  #D6DFEA;
  --primary-tint:  rgba(74, 90, 108, 0.10);

  --accent:        #8E6E1E;
  --accent-bg:     #FDF6E4;
  --accent-hi:     #FFF3D6;

  --page-bg:       #F5F6F8;
  --card-bg:       #FFFFFF;
  --card-soft:     #FAFBFC;

  --ink:           #0F1720;
  --text:          #1F2937;
  --muted:         #6B7280;
  --faint:         #9CA3AF;
  --hairline:      #E5E7EB;
  --hairline-2:    #D1D5DB;

  --danger:        #B85040;

  --r-card:        14px;
  --r-input:       10px;
  --r-pill:        999px;
  --shadow-soft:   0 1px 2px rgba(20,25,35,.04), 0 12px 32px -18px rgba(20,25,35,.14);

  background: var(--page-bg);
  color: var(--text);
}

body.tool-receipt .container {
  max-width: 900px;
  padding: 1rem 1.25rem 3rem;
}

/* ─── Back link ──────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 0.75rem;
  padding: 6px 14px;
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  transition: color .15s, border-color .15s;
}
.back-link:hover { color: var(--primary-dark); border-color: var(--primary); }

/* ─── TOOLBAR (title + actions) ─────────────────────── */
.rv-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(16px, 2.5vw, 22px) clamp(18px, 3vw, 26px);
  margin-bottom: 16px;
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  flex-wrap: wrap;
}
.rv-toolbar-info { flex: 1; min-width: 260px; }
.rv-toolbar-title {
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -.02em;
}
.rv-toolbar-sub {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}
.rv-toolbar-sub strong { color: var(--primary-deep); font-weight: 600; }

.rv-toolbar-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.rv-btn {
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all .15s;
  border: 1px solid transparent;
}
.rv-btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px -4px rgba(74,90,108,.4);
}
.rv-btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.rv-btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--hairline);
}
.rv-btn-ghost:hover { border-color: var(--primary); color: var(--primary-dark); }

/* ═══════ EDITABLE VOUCHER ═══════ */
.rv-voucher {
  background: #fff;
  padding: clamp(28px, 4vw, 44px) clamp(24px, 4vw, 40px);
  color: #000;
  font-size: 14.5px;
  line-height: 1.7;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-family: "Sarabun", "Google Sans", -apple-system, sans-serif;
}

.rv-v-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 20px;
  letter-spacing: -.01em;
}

.rv-v-date {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: nowrap;
  font-size: 14px;
  margin: 0 0 24px;
}
.rv-v-date-lbl {
  color: #000;
  white-space: nowrap;
  flex-shrink: 0;
}
.rv-v-date .rv-v-in { width: auto; }
@media (max-width: 480px) {
  .rv-v-date {
    flex-wrap: wrap;
    gap: 6px 10px;
    justify-content: flex-start;
  }
}

.rv-v-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 14px;
  align-items: baseline;
}
.rv-v-row-label {
  color: #000;
  white-space: nowrap;
}

.rv-v-block {
  margin: 20px 0;
  font-size: 14px;
}
.rv-v-block-title { margin: 0 0 6px; }
.rv-v-tax {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0 0;
  font-size: 14px;
}
.rv-v-tax-lbl {
  white-space: nowrap;
  flex-shrink: 0;
}
.rv-v-in-tax {
  width: 220px !important;
  min-width: 220px;
  flex: 0 0 auto;
}

.rv-v-list-intro {
  margin: 22px 0 8px;
  font-size: 14px;
}

/* ─── Inline-editable inputs (transparent) ─── */
.rv-v-in {
  font: inherit;
  font-size: inherit;
  line-height: 1.5;
  color: #000;
  background: transparent;
  border: 0;
  border-bottom: 1px dashed #B0B0B0;
  padding: 2px 4px;
  outline: none;
  transition: background .15s, border-color .15s;
  min-width: 0;
  width: 100%;
  font-family: inherit;
}
.rv-v-in:hover {
  background: rgba(200, 210, 220, 0.15);
}
.rv-v-in:focus {
  background: var(--accent-hi);
  border-bottom-color: var(--accent);
}
.rv-v-in::placeholder {
  color: #B8B8B8;
  font-style: normal;
}

/* ─── Required indicator + error state ─── */
.rv-req {
  color: var(--danger);
  font-weight: 700;
  margin-left: 2px;
  font-size: 0.95em;
}
.rv-req-note {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  font-style: italic;
  margin-left: 6px;
}
.rv-v-in.rv-error {
  border-bottom-color: var(--danger) !important;
  border-bottom-width: 2px !important;
  background: rgba(184, 80, 64, 0.06) !important;
  animation: rv-shake .35s ease;
}
@keyframes rv-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}
@media print {
  .rv-req, .rv-req-note { display: none !important; }
  .rv-v-in.rv-error {
    border-bottom-color: transparent !important;
    background: transparent !important;
  }
}
.rv-v-in-area {
  resize: none;
  min-height: 22px;
  overflow: hidden;
  padding: 2px 4px;
  line-height: 1.55;
}
.rv-v-in-num {
  width: 60px;
  text-align: center;
  -moz-appearance: textfield;
}
.rv-v-in-num::-webkit-outer-spin-button,
.rv-v-in-num::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.rv-v-in-year { width: 70px; }
.rv-v-in-select {
  width: auto;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23888' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 20px;
  padding-left: 6px;
}
.rv-v-in-full { display: block; width: 100%; margin-bottom: 4px; }

/* ─── Table ─── */
.rv-v-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}
.rv-v-table th,
.rv-v-table td {
  border: 1px solid #000;
  padding: 0;
  vertical-align: top;
}
.rv-v-table thead th {
  text-align: center;
  font-weight: 600;
  background: #f4f4f4;
  padding: 8px 10px;
}
.rv-v-table th:last-child,
.rv-v-table td:last-child {
  width: 140px;
}
.rv-v-item-desc-cell,
.rv-v-item-amt-cell {
  padding: 0;
  position: relative;
  min-height: 34px;
}
.rv-v-item-desc,
.rv-v-item-amt {
  border: 0 !important;
  padding: 8px 10px !important;
  min-height: 34px;
  border-radius: 0 !important;
}
.rv-v-item-desc:focus,
.rv-v-item-amt:focus {
  background: var(--accent-hi);
}
.rv-v-item-amt {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.rv-v-item-del {
  position: absolute;
  right: -32px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: #fff;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, all .15s;
  display: grid;
  place-items: center;
}
.rv-v-item-row:hover .rv-v-item-del {
  opacity: 1;
}
.rv-v-item-del:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  opacity: 1 !important;
}

.rv-v-table tfoot td {
  font-weight: 600;
  padding: 10px;
}
.rv-v-total-text {
  text-align: right;
  font-style: italic;
  color: #000;
}
.rv-v-total-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: #000;
}

.rv-v-add-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 12px 0 0;
  flex-wrap: wrap;
}
.rv-v-add-row {
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all .15s;
  box-shadow: 0 3px 10px -2px rgba(74,90,108,.35);
}
.rv-v-add-row:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 5px 14px -3px rgba(74,90,108,.5);
}
.rv-v-add-icon {
  font-size: 18px;
  line-height: 1;
  font-weight: 700;
}
.rv-v-add-hint {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}
.rv-v-add-hint kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card-soft);
  border: 1px solid var(--hairline);
  border-bottom-width: 2px;
  border-radius: 5px;
  font-family: inherit;
}
.rv-v-add-hint #rowCount {
  color: var(--primary-dark);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ─── Signatures ─── */
.rv-v-sigs {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.rv-v-sig {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.rv-v-sig-label {
  flex-shrink: 0;
  font-size: 14px;
  min-width: 68px;
}
.rv-v-sig-line {
  flex: 1;
  border-bottom: 1px solid #000;
  min-height: 22px;
}
.rv-v-sig-parens {
  flex-shrink: 0;
  font-size: 13.5px;
  color: #000;
  white-space: nowrap;
  display: inline-flex;
  align-items: baseline;
  min-width: 170px;
}
.rv-v-sig-fill {
  display: inline-block;
  min-width: 130px;
  text-align: center;
}
.rv-v-sig-fill:empty::before {
  content: "................................";
  color: #B0B0B0;
}
.rv-v-sig-input {
  width: 160px !important;
  text-align: center;
  border-bottom: 1px dashed #B0B0B0 !important;
}

.rv-hint-below {
  margin: 14px 0 0;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--primary-bg);
  border: 1px solid var(--primary-soft);
  border-radius: 10px;
}
.rv-hint-below strong { color: var(--primary-deep); font-weight: 700; }

/* ─── FAQ SECTION ─────────────────────────────────────── */
.rv-faq {
  margin-top: clamp(28px, 4vw, 40px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
}
.rv-faq-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
  letter-spacing: -.02em;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.rv-acc { border-bottom: 1px solid var(--hairline); }
.rv-acc summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 28px 16px 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color .15s;
}
.rv-acc summary::-webkit-details-marker { display: none; }
.rv-acc summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--muted);
  transition: transform .2s, color .2s;
}
.rv-acc[open] summary { color: var(--primary-deep); font-weight: 600; }
.rv-acc[open] summary::after { transform: translateY(-50%) rotate(45deg); color: var(--primary); }
.rv-acc-body {
  padding: 0 4px 20px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
.rv-acc-body p { margin: 0 0 10px; }
.rv-acc-body p:last-child { margin: 0; }
.rv-acc-body strong { color: var(--primary-deep); font-weight: 600; }

/* ─── PRINT — A4 ───────────────────────────────────────── */
@media print {
  @page {
    size: A4;
    margin: 15mm;
  }

  html, body {
    background: #fff !important;
    color: #000 !important;
    margin: 0;
    padding: 0;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body * { visibility: hidden !important; }
  .rv-voucher, .rv-voucher * { visibility: visible !important; }

  .rv-voucher {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    box-shadow: none !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: #fff !important;
  }

  /* Hide non-print elements */
  .no-print,
  .site-header,
  .site-footer,
  .back-link,
  .rv-toolbar,
  .rv-hint-below,
  .rv-faq,
  .rv-v-add-row,
  .rv-v-item-del,
  script,
  ins,
  iframe {
    display: none !important;
  }

  /* Editable inputs: remove all editing chrome */
  .rv-voucher .rv-v-in,
  .rv-voucher input,
  .rv-voucher textarea,
  .rv-voucher select {
    border: 0 !important;
    background: transparent !important;
    padding: 2px 4px !important;
    box-shadow: none !important;
    -webkit-appearance: none;
    appearance: none;
  }

  /* Hide placeholders in print — เซลล์ว่างต้องว่างจริง */
  .rv-voucher input::placeholder,
  .rv-voucher textarea::placeholder,
  .rv-voucher input::-webkit-input-placeholder,
  .rv-voucher textarea::-webkit-input-placeholder,
  .rv-voucher input::-moz-placeholder,
  .rv-voucher textarea::-moz-placeholder,
  .rv-voucher input:-ms-input-placeholder,
  .rv-voucher textarea:-ms-input-placeholder {
    color: transparent !important;
    -webkit-text-fill-color: transparent !important;
    opacity: 0 !important;
  }
  .rv-voucher .rv-v-item-desc,
  .rv-voucher .rv-v-item-amt {
    padding: 8px 10px !important;
  }
  .rv-voucher .rv-v-sig-input {
    border-bottom: 0 !important;
  }
  .rv-voucher .rv-v-in-select {
    background-image: none !important;
    padding-right: 4px !important;
  }

  /* Empty signature placeholder — clear on print */
  .rv-v-sig-fill:empty::before { content: "" !important; }

  /* Table stays visible with proper border */
  .rv-v-table {
    page-break-inside: avoid;
  }
}