:root {
  --green: #3B5E42;
  --green-dark: #2C4832;
  --green-soft: #EDF3EE;
  --green-mid: #A8C5AD;
  --green-light: #D8EAD9;
  
  --ink: #2A2A22;
  --ink-light: #5A5A4E;
  --border: rgba(58,90,62,0.15);
  --border-focus: rgba(58,90,62,0.4);
  
  --bg: #F2EDE4;
  --paper: #FAF7F2;
  --white: #FFFFFF;
  --red: #B4493D;
  --red-soft: #FDF3F2;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Helvetica Neue", Helvetica, "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

/* ── SPA Layout ── */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar (Control Panel) ── */
.sidebar {
  width: 380px;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 20px;
  background: var(--green-soft);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 6px;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.brand-sub {
  font-size: 11px;
  color: var(--ink-light);
}

/* ── Sidebar Tabs ── */
.sidebar-tabs {
  display: flex;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tab-btn {
  flex: 1;
  padding: 10px 5px;
  border: none;
  background: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  text-align: center;
  min-width: 80px;
}

.tab-btn:hover {
  color: var(--green);
  background: var(--green-soft);
}

.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
  background: var(--green-soft);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ── Sidebar Inputs & Elements ── */
.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-light);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  background: var(--paper);
  color: var(--ink);
}

.form-control:focus {
  outline: none;
  border-color: var(--green-mid);
  background: var(--white);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-group {
  display: flex;
  gap: 8px;
  margin-top: 15px;
}

.btn {
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  text-align: center;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-secondary {
  background: var(--green-soft);
  color: var(--green);
  border-color: var(--green-mid);
}

.btn-secondary:hover {
  background: var(--green-light);
}

.btn-danger {
  background: var(--red);
  color: var(--white);
}

.btn-danger:hover {
  background: #963d33;
}

/* ── Card lists (Customers & Templates) ── */
.search-box {
  margin-bottom: 15px;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  background: var(--paper);
  transition: all 0.2s;
}

.item-card:hover {
  border-color: var(--green-mid);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.item-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.item-card-desc {
  font-size: 11px;
  color: var(--ink-light);
  line-height: 1.5;
  margin-bottom: 8px;
}

.item-card-meta {
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
}

.badge-onetime {
  background: var(--green-light);
  color: var(--green-dark);
}

.badge-monthly {
  background: #E8F4EA;
  color: #3A7D44;
}

.card-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.card-actions .btn {
  flex: 1;
  padding: 4px 8px;
  font-size: 11px;
}

/* ── Document Area (Right) ── */
.doc-area {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.doc-toolbar {
  width: 100%;
  max-width: 840px;
  background: var(--white);
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.draft-status {
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
}

/* ── Printable A4 Page ── */
.a4-page {
  width: 100%;
  max-width: 800px;
  min-height: 1120px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  padding: 45px 50px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ── Document Header ── */
.doc-header {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: start;
  gap: 20px;
  border-bottom: 2px solid var(--green);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.logo-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 60px;
}

.logo-img {
  max-height: 65px;
  max-width: 170px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.logo-text-fallback {
  font-size: 20px;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.2;
}

.seller-header-info {
  font-size: 11px;
  color: var(--ink-light);
  line-height: 1.5;
  margin-top: 8px;
}

.doc-title-area {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.title-cn {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--ink);
  line-height: 1.1;
}

.title-en {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--green);
  margin-top: 4px;
  margin-bottom: 12px;
}

.doc-meta {
  width: 240px;
  display: grid;
  gap: 6px;
}

.meta-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 5px;
}

.meta-row label {
  font-size: 12px;
  color: var(--ink-light);
}

.meta-row input {
  text-align: right;
  font-weight: 600;
}

/* ── Client Cards ── */
.client-info-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 15px;
  margin-bottom: 24px;
}

.info-card {
  background: var(--green-soft);
  border-left: 4px solid var(--green);
  padding: 14px 16px;
  border-radius: 0 6px 6px 0;
}

.info-card-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--green-dark);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.inline-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}

.inline-field label {
  width: 60px;
  font-size: 12px;
  color: var(--ink-light);
  white-space: nowrap;
}

/* ── Inputs inside document ── */
.doc-input {
  width: 100%;
  border: none;
  border-bottom: 1px dashed var(--green-mid);
  background: transparent;
  padding: 3px 2px;
  font-size: 13px;
  color: var(--ink);
  font-family: inherit;
}

.doc-input:focus {
  outline: none;
  border-bottom-style: solid;
  border-bottom-color: var(--green);
}

/* ── Tables ── */
.table-section {
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--green);
  color: var(--white);
  padding: 8px 16px;
}

.table-header.monthly {
  background: var(--green-dark);
}

.table-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}

.table-subtitle {
  font-size: 11px;
  opacity: 0.9;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed; /* Forced fixed table layout to respect th widths */
}

.doc-table th {
  background: var(--green-soft);
  color: var(--green-dark);
  padding: 8px;
  font-size: 11px;
  font-weight: 700;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.doc-table td {
  padding: 6px 8px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  word-break: break-all;
  overflow-wrap: break-word;
}

.doc-table tr:last-child td {
  border-bottom: none;
}

.doc-table .center {
  text-align: center;
}

.doc-table .right {
  text-align: right;
}

.btn-remove-row {
  color: var(--red);
  background: none;
  border: none;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
}

.btn-remove-row:hover {
  color: #8c251a;
}

.table-footer {
  background: var(--green-soft);
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-add-item {
  background: transparent;
  border: 1.5px dashed var(--green);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-add-item:hover {
  background: var(--green-light);
}

.subtotals {
  display: flex;
  gap: 15px;
  font-size: 12px;
}

.subtotal-item span {
  font-weight: 700;
}

/* ── Addons Section ── */
.addon-section {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 20px;
  background: var(--white);
}

.addon-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.addon-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.addon-item {
  display: grid;
  grid-template-columns: 30px 1fr 100px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--paper);
}

.addon-item.selected {
  border-color: var(--green-mid);
  background: var(--green-soft);
}

.addon-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--green);
  cursor: pointer;
}

.addon-info {
  font-size: 12px;
}

.addon-name {
  font-weight: 700;
}

.addon-desc {
  font-size: 11px;
  color: var(--ink-light);
}

.addon-price {
  text-align: right;
  font-weight: 700;
  font-size: 13px;
  color: var(--green);
}

/* ── Notes and Totals ── */
.bottom-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  border-top: 2px solid var(--green);
  margin-top: 10px;
  padding-top: 15px;
}

.notes-col {
  padding-right: 20px;
  display: flex;
  flex-direction: column;
}

.notes-col label {
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.notes-textarea {
  width: 100%;
  flex: 1;
  min-height: 140px;
  border: 1px dashed var(--green-mid);
  border-radius: 4px;
  background: transparent;
  padding: 8px;
  font-size: 12px;
  line-height: 1.6;
  resize: none;
}

.notes-textarea:focus {
  outline: none;
  border-style: solid;
  border-color: var(--green);
}

.totals-col {
  padding-left: 10px;
}

.totals-col h3 {
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.totals-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
}

.total-row:last-child {
  border-bottom: none;
}

.total-row.discount-row {
  color: var(--red);
}

.tax-select {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 4px;
  font-size: 11px;
  margin-left: 6px;
}

.discount-input {
  width: 70px;
  text-align: right;
  font-size: 12px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.total-row.grand-total {
  border-top: 2px solid var(--green-mid);
  margin-top: 6px;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-dark);
}

.total-row.grand-total .val {
  font-size: 18px;
}

.total-row.monthly-total {
  font-size: 12px;
  font-weight: 700;
  color: #3A7D44;
}

.total-row.monthly-total .val {
  font-size: 15px;
}

/* ── Signatures ── */
.signature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}

.sig-box {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  height: 90px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sig-label {
  font-size: 11px;
  color: var(--ink-light);
}

.sig-line {
  border-top: 1px solid var(--ink);
  font-size: 11px;
  color: var(--ink-light);
  padding-top: 3px;
}

/* ── Responsive Stacking for Mobile ── */
@media (max-width: 1180px) {
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    max-height: 550px;
  }
  
  .doc-area {
    padding: 15px;
  }
}

/* ── PRINT STYLES ── */
@media print {
  @page {
    size: A4 portrait;
    margin: 6mm 6mm 8mm 6mm; /* Reduced print margins to maximize space */
  }
  
  body {
    background-color: var(--white) !important;
    background: var(--white) !important;
    color: #000000 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    font-size: 11px !important;
  }
  
  .sidebar, .doc-toolbar, .no-print, .btn-remove-row, .btn-add-item {
    display: none !important;
  }
  
  .print-hidden {
    display: none !important;
  }
  
  .print-hidden-row {
    display: none !important;
  }
  
  .app-container {
    display: block;
    min-height: auto;
    background: transparent !important;
  }
  
  .doc-area {
    padding: 0 !important;
    display: block;
    overflow: visible !important;
    background: transparent !important;
  }
  
  .a4-page {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    background: transparent !important;
    display: flex;
    flex-direction: column;
  }
  
  /* Header */
  .doc-header {
    grid-template-columns: 140px 1fr !important;
    gap: 12px !important;
    padding-bottom: 6px !important;
    margin-bottom: 8px !important;
    border-bottom: 2px solid var(--green) !important;
  }
  
  .logo-img {
    max-height: 50px !important;
  }
  
  .logo-text-fallback {
    font-size: 15px !important;
  }
  
  .seller-header-info {
    font-size: 10px !important;
    margin-top: 4px !important;
    line-height: 1.4 !important;
  }
  
  .title-cn {
    font-size: 22px !important;
  }
  
  .title-en {
    font-size: 8px !important;
    margin-bottom: 6px !important;
  }
  
  .doc-meta {
    width: 180px !important;
  }
  
  .meta-row {
    grid-template-columns: 60px 1fr !important;
    gap: 4px !important;
  }
  
  .meta-row label, .meta-row input {
    font-size: 10px !important;
  }
  
  /* Client info */
  .client-info-grid {
    grid-template-columns: 1.1fr 0.9fr !important;
    gap: 10px !important;
    margin-bottom: 12px !important;
  }
  
  .info-card {
    padding: 6px 10px !important;
    background: transparent !important;
    border: 1px solid var(--border) !important;
    border-left: 3px solid var(--green) !important;
    border-radius: 4px !important;
  }
  
  .info-card-title {
    font-size: 9px !important;
    margin-bottom: 4px !important;
  }
  
  .inline-field {
    margin-bottom: 2px !important;
  }
  
  .inline-field label, .inline-field input {
    font-size: 10px !important;
  }
  
  /* Section blocks / Tables */
  .table-section {
    margin-bottom: 8px !important;
    page-break-inside: avoid;
    border: 1px solid var(--border) !important;
  }
  
  .table-header {
    padding: 4px 8px !important;
    background: var(--green) !important;
    color: var(--white) !important;
  }
  
  .table-header.monthly {
    background: var(--green-dark) !important;
  }
  
  .table-title {
    font-size: 10px !important;
  }
  
  .table-subtitle {
    font-size: 8px !important;
  }
  
  .doc-table th {
    background: var(--green-soft) !important;
    color: var(--green-dark) !important;
    border-bottom: 1px solid var(--green) !important;
    padding: 3px 6px !important;
    font-size: 9px !important;
  }
  
  .table-header.monthly + .doc-table th {
    background: #E8F4EA !important;
    border-bottom-color: #3A7D44 !important;
    color: #3A7D44 !important;
  }
  
  .doc-table td {
    padding: 4px 6px !important;
    font-size: 10px !important;
    border-bottom: 1px solid var(--border) !important;
  }
  
  .doc-table textarea.doc-input {
    min-height: 25px !important;
  }
  
  .table-footer {
    padding: 3px 8px !important;
    background: var(--green-soft) !important;
  }
  
  .subtotals {
    font-size: 10px !important;
  }
  
  /* Bottom Grid (Notes & Totals) */
  .bottom-grid {
    grid-template-columns: 1fr 250px !important;
    border-top: 2px solid var(--green) !important;
    margin-top: 8px !important;
    padding-top: 8px !important;
    page-break-inside: avoid;
  }
  
  .notes-col {
    padding-right: 10px !important;
  }
  
  .notes-textarea {
    border: none !important;
    padding: 0 !important;
    font-size: 10px !important;
    line-height: 1.4 !important;
    overflow: visible !important;
    height: auto !important;
    min-height: auto !important;
    white-space: pre-wrap !important;
    width: 100% !important;
  }
  
  .totals-col {
    padding-left: 8px !important;
  }
  
  .totals-col h3 {
    font-size: 9px !important;
    margin-bottom: 4px !important;
  }
  
  .total-row {
    padding: 2px 0 !important;
    font-size: 10px !important;
    border-bottom: 1px solid var(--border) !important;
  }
  
  .total-row.grand-total {
    border-top: 1.5px solid var(--green-mid) !important;
    margin-top: 3px !important;
    padding-top: 4px !important;
    font-size: 11px !important;
  }
  
  .total-row.grand-total .val {
    font-size: 14px !important;
  }
  
  .total-row.monthly-total {
    font-size: 10px !important;
  }
  
  .total-row.monthly-total .val {
    font-size: 12px !important;
  }
  
  .tax-select {
    display: none !important;
  }
  
  #mq-tax-print {
    display: inline !important;
  }
  
  /* Signatures */
  .signature-section {
    padding: 8px 0 0 0 !important;
    margin-top: 10px !important;
    page-break-inside: avoid;
    gap: 12px !important;
  }
  
  .sig-box {
    height: 90px !important;
    padding: 10px 14px !important;
    border: 1px solid var(--border) !important;
  }
  
  .sig-label {
    font-size: 9px !important;
  }
  
  .sig-line {
    font-size: 9px !important;
  }
  
  /* Document Inputs style for print */
  .doc-input, .discount-input, .notes-textarea {
    border: none !important;
    padding: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
  }
  
  .doc-input::placeholder, .discount-input::placeholder, .notes-textarea::placeholder {
    color: transparent !important;
  }
  
  /* Addons */
  .addon-section {
    border: 1px solid var(--border) !important;
    padding: 8px !important;
    margin-bottom: 8px !important;
    page-break-inside: avoid;
    background: transparent !important;
  }
  
  .addon-section-title {
    font-size: 10px !important;
    margin-bottom: 6px !important;
  }
  
  input[type="checkbox"].mq-addon-check {
    appearance: none;
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border: 1px solid #000000 !important;
    display: inline-block;
    position: relative;
    vertical-align: middle;
    background: transparent !important;
  }
  input[type="checkbox"].mq-addon-check:checked::after {
    content: "✔" !important;
    position: absolute;
    top: -3px;
    left: 0px;
    font-size: 9px;
    color: #000000 !important;
    font-weight: bold;
  }
}