:root {
    --ink-1:        oklch(17% 0.058 278);
    --ink-2:        oklch(20% 0.062 278);
    --ink-3:        oklch(21% 0.055 278);
    --ink-4:        oklch(28% 0.05 278);
    --ink-5:        oklch(39% 0.05 278);
    --ink-6:        oklch(56% 0.04 278);
    --accent:       oklch(74% 0.17 168);
    --accent-soft:  oklch(74% 0.17 168 / 0.24);
    --accent-2:     oklch(79% 0.16 168);
    --paper:        oklch(96% 0.004 278);
    --rule:         color-mix(in oklch, var(--ink-5) 22%, white);
    --rule-strong:  color-mix(in oklch, var(--ink-2) 35%, white);
    --hairline:     color-mix(in oklch, var(--ink-2) 12%, white);
    --bg:           oklch(98% 0.003 278);
    --form-bg:      #ffffff;
  }

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

  html, body {
    background: var(--bg);
    color: var(--ink-2);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  /* ============= APP CHROME ============= */
  .app {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100vh;
    overflow: hidden;
  }

  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    background: var(--form-bg);
    border-bottom: 1px solid var(--hairline);
  }

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

  .brand img {
    width: 32px;
    height: auto;
  }

  .brand-text {
    display: flex;
    flex-direction: column;
  }

  .brand-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink-2);
    letter-spacing: 0.3px;
    line-height: 1.1;
  }

  .brand-tag {
    font-size: 9.5px;
    font-weight: 600;
    color: var(--ink-6);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 2px;
  }

  .actions {
    display: flex;
    gap: 8px;
  }

  button {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--hairline);
    background: var(--form-bg);
    color: var(--ink-3);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.2px;
  }

  button:hover {
    border-color: var(--ink-4);
    color: var(--ink-2);
  }

  button.primary {
    background: var(--ink-2);
    color: white;
    border-color: var(--ink-2);
  }

  button.primary:hover {
    background: var(--ink-1);
    border-color: var(--ink-1);
  }

  button.danger {
    color: oklch(55% 0.18 25);
    border-color: oklch(55% 0.18 25 / 0.3);
  }

  button.danger:hover {
    background: oklch(55% 0.18 25 / 0.05);
    border-color: oklch(55% 0.18 25);
  }

  /* ============= LAYOUT ============= */
  .main {
    display: grid;
    grid-template-columns: 420px 1fr;
    overflow: hidden;
  }

  @media (max-width: 1100px) {
    .main { grid-template-columns: 380px 1fr; }
  }
  @media (max-width: 900px) {
    .main { grid-template-columns: 1fr; }
    .sidebar { max-height: 50vh; border-right: none; border-bottom: 1px solid var(--hairline); }
  }

  .sidebar {
    overflow-y: auto;
    padding: 24px 22px 60px;
    background: var(--form-bg);
    border-right: 1px solid var(--hairline);
  }

  .preview-pane {
    overflow-y: auto;
    background: var(--bg);
    padding: 24px;
  }

  /* ============= FORM ============= */
  .form-section {
    margin-bottom: 26px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--hairline);
  }

  .form-section:last-child {
    border-bottom: none;
  }

  .section-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .field {
    margin-bottom: 14px;
  }

  .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
  }

  label {
    display: block;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--ink-4);
    margin-bottom: 5px;
    letter-spacing: 0.2px;
  }

  input, textarea, select {
    width: 100%;
    font-family: inherit;
    font-size: 13.5px;
    color: var(--ink-2);
    padding: 9px 11px;
    border: 1px solid var(--hairline);
    border-radius: 5px;
    background: var(--form-bg);
    transition: border-color 0.15s;
  }

  input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
  }

  textarea {
    resize: vertical;
    min-height: 50px;
    line-height: 1.5;
    font-family: 'Cairo', 'Inter', sans-serif;
  }

  .input-arabic {
    font-family: 'Cairo', 'Inter', sans-serif;
    direction: rtl;
    text-align: right;
  }

  .help {
    font-size: 11px;
    color: var(--ink-6);
    margin-top: 4px;
  }

  /* Services list */
  .services-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
  }

  .service-row {
    border: 1px solid var(--hairline);
    border-radius: 6px;
    padding: 12px;
    background: var(--bg);
    position: relative;
  }

  .service-row-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
  }

  .service-num {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
  }

  .remove-btn {
    background: transparent;
    border: none;
    color: var(--ink-6);
    font-size: 11px;
    padding: 2px 6px;
    cursor: pointer;
  }

  .remove-btn:hover { color: oklch(55% 0.18 25); }

  .service-row .field { margin-bottom: 8px; }
  .service-row .field:last-child { margin-bottom: 0; }
  .service-row label { font-size: 10.5px; }
  .service-row input, .service-row textarea { font-size: 13px; padding: 7px 9px; }

  .add-btn {
    width: 100%;
    padding: 10px;
    background: transparent;
    color: var(--ink-4);
    border: 1px dashed var(--hairline);
    font-size: 12.5px;
    font-weight: 500;
  }

  .add-btn:hover {
    color: var(--ink-2);
    border-color: var(--ink-4);
  }

  .currency-group {
    position: relative;
  }

  .currency-group::after {
    content: 'EGP';
    position: absolute;
    right: 11px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-6);
    letter-spacing: 1px;
    pointer-events: none;
  }

  .currency-group input {
    padding-right: 42px;
  }

  /* ============= CONTRACT PREVIEW ============= */
  .doc {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    box-shadow: 0 1px 3px oklch(20% 0.062 278 / 0.06), 0 8px 24px oklch(20% 0.062 278 / 0.06);
    padding: 28mm 14mm 24mm;
    color: var(--ink-2);
    font-family: 'Cairo', 'Inter', system-ui, sans-serif;
    font-size: 11.5pt;
    line-height: 1.85;
    direction: rtl;
  }

  .doc * { direction: inherit; }

  /* Cover */
  .cover {
    display: flex;
    flex-direction: column;
    min-height: 92vh;
    page-break-after: always;
    padding-top: 4mm;
  }

  .masthead {
    display: flex;
    align-items: center;
    gap: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rule-strong);
  }

  .masthead img { width: 64px; height: auto; flex-shrink: 0; }

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

  .masthead-brand {
    font-family: 'Inter', sans-serif;
    font-size: 16pt;
    font-weight: 700;
    color: var(--ink-2);
    letter-spacing: 0.5px;
    line-height: 1;
  }

  .masthead-tag {
    font-family: 'Inter', sans-serif;
    font-size: 9pt;
    font-weight: 500;
    color: var(--ink-5);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 4px;
  }

  .cover-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24mm 0;
  }

  .doc-type {
    font-family: 'Inter', sans-serif;
    font-size: 9.5pt;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
    direction: ltr;
  }

  .cover-title-ar {
    font-family: 'Cairo', sans-serif;
    font-size: 26pt;
    font-weight: 700;
    color: var(--ink-2);
    line-height: 1.35;
    margin-bottom: 10px;
  }

  .cover-title-en {
    font-family: 'Inter', sans-serif;
    font-size: 12pt;
    font-weight: 500;
    color: var(--ink-5);
    direction: ltr;
    text-align: left;
    margin-bottom: 36px;
    letter-spacing: 0.3px;
  }

  .cover-rule {
    width: 56px;
    height: 2px;
    background: var(--accent);
    margin-bottom: 32px;
  }

  .meta-list {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 14px 24px;
    margin-bottom: 40px;
    font-size: 11pt;
  }

  .meta-label {
    font-family: 'Inter', sans-serif;
    font-size: 9pt;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    direction: ltr;
    text-align: left;
    padding-top: 3px;
  }

  .meta-value {
    color: var(--ink-2);
    font-weight: 500;
  }

  .cover-intro {
    font-size: 11pt;
    color: var(--ink-4);
    line-height: 1.95;
    max-width: 92%;
  }

  .cover-foot {
    margin-top: auto;
    padding-top: 28px;
    border-top: 1px solid var(--rule);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    direction: ltr;
    font-size: 9pt;
    color: var(--ink-5);
    letter-spacing: 0.5px;
  }

  /* Body */
  .body-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--rule-strong);
    margin-bottom: 28px;
    direction: ltr;
  }

  .body-header img { width: 36px; }

  .body-header-text {
    font-family: 'Inter', sans-serif;
    font-size: 9pt;
    color: var(--ink-5);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
  }

  .doc-title { text-align: center; margin-bottom: 28px; }

  .doc-title-ar {
    font-family: 'Cairo', sans-serif;
    font-size: 17pt;
    font-weight: 700;
    color: var(--ink-2);
    margin-bottom: 6px;
  }

  .doc-title-en {
    font-family: 'Inter', sans-serif;
    font-size: 10pt;
    font-weight: 500;
    color: var(--ink-5);
    direction: ltr;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .doc .preamble {
    font-size: 11.5pt;
    margin-bottom: 14px;
    color: var(--ink-3);
  }

  .parties { margin-bottom: 24px; }

  .party {
    margin-bottom: 14px;
    padding-right: 16px;
  }

  .party-label {
    font-family: 'Inter', sans-serif;
    font-size: 8.5pt;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    direction: ltr;
    text-align: right;
    margin-bottom: 4px;
  }

  .party p {
    font-size: 11pt;
    color: var(--ink-3);
    line-height: 1.8;
  }

  .doc hr.rule {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 22px 0;
  }

  .doc hr.rule-strong {
    border: none;
    border-top: 1px solid var(--rule-strong);
    margin: 24px 0;
  }

  .article {
    margin-top: 22px;
    margin-bottom: 12px;
    page-break-after: avoid;
  }

  .article-num {
    font-family: 'Inter', sans-serif;
    font-size: 8.5pt;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2.5px;
    direction: ltr;
    text-align: right;
    margin-bottom: 2px;
  }

  .article-name {
    font-family: 'Cairo', sans-serif;
    font-size: 13.5pt;
    font-weight: 700;
    color: var(--ink-2);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--rule-strong);
    margin-bottom: 14px;
  }

  .doc p {
    margin-bottom: 10px;
    font-size: 11pt;
    color: var(--ink-3);
  }

  .clause-num {
    color: var(--accent);
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    margin-left: 4px;
    letter-spacing: 0.3px;
  }

  .bold {
    font-weight: 700;
    color: var(--ink-2);
  }

  .sub-heading {
    font-size: 11.5pt;
    font-weight: 700;
    color: var(--ink-2);
    margin-top: 14px;
    margin-bottom: 8px;
  }

  .doc ul {
    list-style: none;
    margin-bottom: 12px;
    padding-right: 4px;
  }

  .doc ul li {
    font-size: 11pt;
    color: var(--ink-3);
    padding-right: 18px;
    margin-bottom: 6px;
    position: relative;
    line-height: 1.85;
  }

  .doc ul li::before {
    content: '';
    position: absolute;
    right: 0;
    top: 11px;
    width: 6px;
    height: 1px;
    background: var(--accent);
  }

  .doc ul.nested {
    margin-top: 6px;
    margin-bottom: 8px;
    padding-right: 18px;
  }

  .doc ul.nested li {
    font-size: 10.5pt;
    margin-bottom: 4px;
    padding-right: 14px;
  }

  .doc ul.nested li::before {
    background: var(--ink-5);
    width: 4px;
  }

  .exclusions {
    margin: 14px 0;
    padding: 14px 16px 14px 0;
  }

  .exclusions-label {
    font-family: 'Inter', sans-serif;
    font-size: 8.5pt;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    direction: ltr;
    text-align: right;
  }

  .exclusions-foot {
    font-size: 10pt;
    color: var(--ink-5);
    font-style: italic;
    margin-top: 6px;
  }

  .doc table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 10.5pt;
  }

  .doc thead th {
    text-align: right;
    font-family: 'Cairo', 'Inter', sans-serif;
    font-size: 9.5pt;
    font-weight: 700;
    color: var(--ink-2);
    letter-spacing: 0.5px;
    padding: 10px 12px;
    border-top: 2px solid var(--ink-2);
    border-bottom: 1px solid var(--ink-2);
  }

  .doc tbody td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--rule);
    color: var(--ink-3);
    vertical-align: top;
  }

  .doc tbody tr:last-child td {
    border-bottom: 2px solid var(--ink-2);
  }

  .doc tr.total td {
    font-weight: 700;
    color: var(--ink-2);
    border-top: 1px solid var(--ink-2);
  }

  .bank {
    margin: 12px 0;
    padding-right: 16px;
  }

  .bank p {
    font-size: 10.5pt;
    margin-bottom: 4px;
    direction: ltr;
    text-align: right;
    color: var(--ink-3);
    font-family: 'Inter', sans-serif;
  }

  .bank-label {
    display: inline-block;
    min-width: 130px;
    font-weight: 700;
    color: var(--ink-2);
    font-size: 9.5pt;
    letter-spacing: 0.5px;
    text-transform: uppercase;
  }

  .closing {
    margin-top: 28px;
    margin-bottom: 22px;
    font-size: 11pt;
    color: var(--ink-3);
  }

  .signatures {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--rule-strong);
  }

  .sig-label {
    font-family: 'Inter', sans-serif;
    font-size: 8.5pt;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
    direction: ltr;
    text-align: right;
  }

  .sig-name {
    font-family: 'Cairo', sans-serif;
    font-size: 12.5pt;
    font-weight: 700;
    color: var(--ink-2);
    margin-bottom: 36px;
  }

  .sig-line {
    border-top: 1.5px solid var(--ink-2);
    margin-bottom: 8px;
  }

  .sig-meta {
    font-size: 9.5pt;
    color: var(--ink-5);
    margin-bottom: 4px;
    line-height: 1.7;
  }

  .blank {
    display: inline-block;
    min-width: 100px;
    border-bottom: 1px dotted var(--ink-5);
    margin: 0 4px;
  }

  .doc-foot {
    margin-top: 36px;
    padding-top: 16px;
    border-top: 1px solid var(--rule);
    text-align: center;
    direction: ltr;
  }

  .doc-foot-brand {
    font-family: 'Inter', sans-serif;
    font-size: 9pt;
    font-weight: 700;
    color: var(--ink-2);
    letter-spacing: 2.5px;
    margin-bottom: 4px;
  }

  .doc-foot-tag {
    font-size: 8.5pt;
    color: var(--ink-5);
    letter-spacing: 0.5px;
  }

  /* ============= PRINT ============= */
  @page {
    size: A4;
    margin: 18mm 14mm;
  }

  .page-sig-strip { display: none; }
  .cover-sig-strip { display: none; }

  @media print {
    body { background: white; }
    .topbar, .sidebar { display: none !important; }
    .app, .main { display: block; height: auto; overflow: visible; }
    .preview-pane { padding: 0; overflow: visible; background: white; }
    .doc {
      max-width: none;
      margin: 0;
      box-shadow: none;
      padding: 0;
    }
    .article, .signatures, .doc table { page-break-inside: avoid; }
    .cover {
      break-after: page;
      page-break-after: always;
      min-height: 257mm;
    }

    .cover-sig-strip,
    .page-sig-strip {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--rule);
      padding-top: 3mm;
      margin-top: 6mm;
      font-size: 7.5pt;
      font-family: 'Inter', sans-serif;
      color: var(--ink-5);
      direction: rtl;
    }

    .sig-line-inline {
      display: inline-block;
      width: 55mm;
      border-bottom: 1px solid var(--ink-5);
      margin-right: 4px;
      vertical-align: middle;
    }
  }