:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-primary: #0f766e;
  --color-primary-hover: #0d9488;
  --color-border: #e2e8f0;
  --color-accent: #f0fdfa;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font-ar: 'Segoe UI', Tahoma, 'Noto Sans Arabic', Arial, sans-serif;
  --max-width: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ar);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

body.ltr {
  direction: ltr;
  text-align: left;
}

body.rtl {
  direction: rtl;
  text-align: right;
}

img { max-width: 100%; height: auto; }

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover { text-decoration: none; }

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.875rem;
  font-weight: 800;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.lang-switch a {
  color: var(--color-muted);
  font-weight: 500;
  text-decoration: none;
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--color-primary);
}

.lang-sep {
  color: var(--color-border);
  user-select: none;
}

.footer-grid-wide {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.prose-en h2 {
  margin-top: 1.5rem;
}

.prose-en h2:first-child {
  margin-top: 0;
}

.prose-en h3 {
  margin-top: 1.25rem;
}

.prose-en ul,
.prose-en ol {
  padding-inline-start: 1.25rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 1.25rem;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.main-nav a {
  color: var(--color-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero — compact for tool above the fold */
.page-hero {
  padding: 1rem 0 0.5rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.375rem, 3.5vw, 1.875rem);
  line-height: 1.35;
  color: var(--color-text);
}

.page-hero .hero-ar {
  margin: 0 0 0.75rem;
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
}

.page-hero .lead {
  margin: 0 0 0.75rem;
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 65ch;
}

.page-hero .lead-en {
  margin: 0 0 0.35rem;
  color: var(--color-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  max-width: 65ch;
}

.tool-section {
  padding: 0.5rem 0 1.5rem;
}

.tool-section .card {
  border-color: #cbd5e1;
}

/* Trust badges */
.trust-badges {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.trust-badges li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.875rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-size: 0.875rem;
}

.trust-badges li > div,
.trust-badges li .trust-badge-text {
  display: grid;
  gap: 0.15rem;
}

.trust-badge-icon {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.trust-badges li span[lang="ar"] {
  color: var(--color-muted);
  font-size: 0.8125rem;
}

/* Examples table */
.examples-ar-title {
  margin: -0.5rem 0 1rem;
  font-size: 1.0625rem;
  color: var(--color-primary);
}

.table-wrap {
  overflow-x: auto;
}

.examples-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.examples-table th,
.examples-table td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: inherit;
  vertical-align: top;
}

.examples-table th {
  background: var(--color-bg);
  font-weight: 600;
}

.examples-table td:first-child {
  white-space: nowrap;
  font-weight: 600;
  color: var(--color-primary);
}

.example-amount {
  display: inline-block;
  direction: ltr;
  unicode-bidi: isolate;
  font-variant-numeric: tabular-nums;
}

.example-arabic {
  line-height: 1.85;
  word-break: break-word;
}

@media (max-width: 640px) {
  .examples-table {
    display: block;
    border: none;
  }

  .examples-table thead {
    display: none;
  }

  .examples-table tbody {
    display: grid;
    gap: 0.875rem;
  }

  .examples-table tr {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
  }

  .examples-table td {
    display: block;
    border: none;
    padding: 0.875rem 1rem;
  }

  .examples-table td:first-child {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    white-space: normal;
  }

  .examples-table td:first-child::before {
    content: 'Amount';
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-muted);
    margin-bottom: 0.35rem;
  }

  .examples-table td.example-arabic::before {
    content: 'Arabic (check format)';
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-muted);
    margin-bottom: 0.35rem;
    direction: ltr;
    text-align: start;
  }

  .examples-table td.example-arabic {
    text-align: start;
  }
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.breadcrumb li + li::before {
  content: '›';
  margin-inline-end: 0.35rem;
  color: var(--color-border);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
}

.card + .card { margin-top: 1.5rem; }

/* Tool */
.tafqit-tool { margin: 1.5rem 0; }

.tool-grid {
  display: grid;
  gap: 1rem;
}

.tool-grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .tool-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-row {
  display: grid;
  gap: 0.5rem;
}

.form-row label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  transition: border-color 0.15s;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.form-row-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  cursor: pointer;
}

.checkbox-label input { width: auto; }

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-bottom: 0.25rem;
}

.tool-actions-sep {
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }

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

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

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover { background: var(--color-bg); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover { background: var(--color-accent); }

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.tool-actions .btn {
  position: relative;
  z-index: 2;
  pointer-events: auto;
}

.result-box {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--color-accent);
  border: 1px solid #99f6e4;
  border-radius: var(--radius-sm);
  min-height: 80px;
}

.result-box.empty {
  color: var(--color-muted);
  font-style: italic;
}

.result-text {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.8;
  word-break: break-word;
}

.result-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tool-error {
  color: #b91c1c;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.tool-error.visible { display: block; }

.format-hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border-inline-start: 3px solid var(--color-primary);
}

.privacy-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* Multi-format result cards */
.format-results {
  display: grid;
  gap: 0.875rem;
  margin-top: 1.25rem;
}

.format-results.is-empty {
  padding: 1.25rem;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

.format-results-empty {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
  text-align: center;
}

.format-card {
  padding: 1rem 1.125rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.format-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.625rem;
}

.format-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.btn-copy-mini {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-family: inherit;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-copy-mini:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.format-card-text {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  word-break: break-word;
}

.invoice-results .result-box { margin-top: 0.75rem; }

/* Conversion history */
.history-panel {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.history-panel h3 {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
  font-weight: 600;
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.history-note {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--color-primary);
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
  cursor: pointer;
}

.btn-ghost:hover { text-decoration: underline; }

.btn-sm { font-size: 0.8125rem; }

.disclaimer-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.invoice-total-display {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.invoice-total-display strong {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.form-row-full { grid-column: 1 / -1; }

.bulk-tool textarea {
  width: 100%;
  min-height: 160px;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: ui-monospace, monospace;
  font-size: 0.9375rem;
  resize: vertical;
}

.bulk-table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
}

.bulk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.bulk-table th,
.bulk-table td {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  vertical-align: top;
}

.bulk-table th {
  background: var(--color-accent);
  font-weight: 600;
  text-align: start;
}

.bulk-num { white-space: nowrap; font-family: ui-monospace, monospace; }

.bulk-words { min-width: 220px; line-height: 1.7; }

.bulk-error { color: #b91c1c; font-size: 0.875rem; }

.bulk-empty {
  margin: 1rem 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.badge-coming-soon {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: #fef3c7;
  color: #92400e;
  border-radius: 999px;
  vertical-align: middle;
}

.code-preview {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.875rem;
}

.code-preview code { font-family: ui-monospace, monospace; }

.api-status { margin: 1rem 0; }

.history-list {
  display: grid;
  gap: 0.5rem;
  max-height: 280px;
  overflow-y: auto;
}

.history-empty {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.history-item {
  display: grid;
  gap: 0.25rem;
  text-align: inherit;
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s;
}

.history-item:hover {
  border-color: var(--color-primary);
  background: var(--color-accent);
}

.history-meta {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 600;
}

.history-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
}

/* Content sections */
.content-section {
  padding: 2rem 0;
}

.content-section h2 {
  font-size: 1.375rem;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.content-section h3 {
  font-size: 1.125rem;
  margin: 1.5rem 0 0.75rem;
}

.content-section p { margin: 0 0 1rem; }

.content-section ul,
.content-section ol {
  margin: 0 0 1rem;
  padding-inline-start: 1.25rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-grid a {
  display: block;
  padding: 0.875rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.link-grid a:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

/* FAQ */
.faq-list { margin: 0; padding: 0; list-style: none; }

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: var(--color-surface);
}

.faq-question {
  width: 100%;
  text-align: inherit;
  background: none;
  border: none;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--color-text);
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after { content: '−'; }

.faq-answer {
  display: none;
  padding: 0 1.25rem 1rem;
  color: var(--color-muted);
}

.faq-item.open .faq-answer { display: block; }

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  margin-top: 3rem;
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.site-footer h3 {
  color: #f8fafc;
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li { margin-bottom: 0.5rem; }

.site-footer a { color: #94a3b8; }

.site-footer a:hover { color: #f8fafc; }

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: #64748b;
}

/* Contact form */
.contact-form .form-row { margin-bottom: 1rem; }

/* Print / PDF */
@media print {
  .site-header, .site-footer, .tool-actions, .main-nav, .breadcrumb { display: none !important; }
  .result-box { border: 1px solid #000; background: #fff; }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    box-shadow: var(--shadow-md);
  }

  .main-nav.open { display: block; }

  .main-nav ul { flex-direction: column; gap: 0.75rem; }

  .header-inner { position: relative; flex-wrap: wrap; }

  .lang-switch {
    order: 4;
    width: 100%;
    justify-content: center;
    padding-top: 0.25rem;
  }

  .tool-actions .btn { flex: 1 1 calc(50% - 0.375rem); }

  .card { padding: 1rem; }
}