:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --border: #dbe1ea;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  padding: 1.2rem 1.5rem;
  background: linear-gradient(90deg, #1d4ed8, #0f172a);
  color: #fff;
}

.topbar h1,
.topbar p {
  margin: 0;
}

.topbar p {
  opacity: 0.9;
  margin-top: 0.2rem;
}


.topbar-title-link,
.topbar-title-link:visited,
.topbar-title-link:hover,
.topbar-title-link:active {
  color: #ffffff;
  text-decoration: none;
}

.version-tag {
  font-size: 0.7em;
  font-weight: 600;
  opacity: 0.9;
}

.site-subtitle a {
  color: #ffffff;
  text-decoration: none;
}

.site-subtitle a:visited,
.site-subtitle a:hover,
.site-subtitle a:active {
  color: #ffffff;
  text-decoration: none;
}

.layout {
  display: grid;
  grid-template-columns: 440px minmax(550px, 1fr);
  gap: 1rem;
  padding: 1rem;
  flex: 1;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
}

.form-card {
  padding: 1rem;
}

label {
  display: block;
  margin-bottom: 0.8rem;
  font-size: 0.92rem;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  margin-top: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem;
  font: inherit;
  color: var(--text);
  background: #fff;
}


#fromAddress,
#clientAddress {
  resize: none;
}

input[type='color'] {
  padding: 0.25rem;
  min-height: 44px;
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.checkbox-label input[type='checkbox'] {
  width: auto;
  margin: 0;
}

.grid.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.line-item {
  display: grid;
  grid-template-columns: 2fr 80px 100px 90px;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.extra-fee {
  display: grid;
  grid-template-columns: 2fr 120px 90px;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.ghost {
  background: #e5edff;
  color: #1e3a8a;
  margin-bottom: 0.8rem;
}

.btn.danger {
  background: #fee2e2;
  color: var(--danger);
}

.actions {
  display: flex;
  gap: 0.6rem;
}

.preview-card {
  padding: 1rem;
  overflow: auto;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: auto;
  padding: 0.5rem 1rem;
  background: #374151;
  border-top: 1px solid #1f2937;
}

.footer-link,
.footer-link:visited {
  color: #f9fafb;
  font-weight: 600;
  text-decoration: none;
}

.footer-link:hover,
.footer-link:active {
  text-decoration: underline;
}

.footer-feedback-form {
  margin: 0;
}

.footer-link-button {
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

.contact-return-row {
  margin-top: 0.75rem;
}

.contact-return-row a,
.contact-return-row a:visited {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: none;
}

.contact-return-row a:hover,
.contact-return-row a:active {
  text-decoration: underline;
}

.invoice-sheet {
  --invoice-accent: var(--primary);
  --invoice-accent-border: #cbd5e1;
  --invoice-accent-heading: #1d4ed8;
  --invoice-accent-title: #1e3a8a;
  position: relative;
  width: 760px;
  min-height: 1074px;
  margin: 0 auto;
  border: 1px solid var(--invoice-accent-border);
  border-top: 6px solid var(--invoice-accent);
  border-radius: 14px;
  padding: 2rem;
  background: #fff;
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.1);
}

body.pdf-export .invoice-sheet {
  width: 760px;
  margin: 0 auto;
  border: none;
  padding: 2rem;
}

.invoice-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.6rem;
}

.invoice-right {
  text-align: right;
}

.invoice-title {
  font-size: 2rem;
  margin: 0;
  color: var(--invoice-accent);
}

.company-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--invoice-accent-heading);
}

.header-image {
  max-width: 260px;
  max-height: 80px;
  object-fit: contain;
  margin-bottom: 0.4rem;
}

.meta,
.notes,
.address-block {
  color: #374151;
  line-height: 1.4;
}

.address-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.invoice-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.invoice-table th,
.invoice-table td {
  border-bottom: 1px solid #e5e7eb;
  padding: 0.6rem 0.4rem;
  text-align: left;
}

.invoice-table th {
  color: var(--invoice-accent-title);
}

.invoice-table th:last-child,
.invoice-table td:last-child {
  text-align: right;
}

.totals {
  margin-left: auto;
  margin-top: 1rem;
  width: 280px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
}

.totals-row strong {
  font-size: 1.12rem;
  color: var(--invoice-accent);
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .grid.two-col,
  .address-grid {
    grid-template-columns: 1fr;
  }

  .line-item {
    grid-template-columns: 1fr 80px 100px;
  }

  .line-item .remove-item {
    grid-column: span 3;
  }

  .extra-fee {
    grid-template-columns: 1fr 120px;
  }

  .extra-fee .remove-fee {
    grid-column: span 2;
  }
}

@media print {
  body,
  .preview-card,
  .invoice-sheet {
    background: #fff;
  }

  .topbar,
  .form-card {
    display: none;
  }

  .layout {
    display: block;
    padding: 0;
  }

  .preview-card {
    border: none;
    box-shadow: none;
  }

  .invoice-sheet {
    border: none;
    width: 100%;
    margin: 0;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    border-top: none;
  }
}


.layout.single-column {
  grid-template-columns: minmax(320px, 760px);
  justify-content: center;
}

.contact-card {
  padding: 1.25rem;
}

.contact-form textarea {
  min-height: 320px;
}

.contact-thank-you {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 400;
  color: #000000;
}

.site-context {
  margin-top: 0;
  font-weight: 600;
  color: #1e3a8a;
}