:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e2e2e2;
  --accent: #2d2d2d;
  --accent-text: #ffffff;
  --radius: 22px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Sora", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.app-header {
  text-align: center;
  padding: 32px 20px 18px;
}

.app-header h1 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.app-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.app-main {
  padding: 0 16px 48px;
  max-width: 760px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.form-card {
  padding: 24px;
}

.progress {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 22px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 20%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.step {
  display: none;
  animation: fadeIn 0.25s ease;
}

.step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-number {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 8px;
}

.sub-label {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--muted);
}

input,
textarea,
select {
  width: 100%;
  padding: 14px 14px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fafafa;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea {
  min-height: 92px;
  resize: vertical;
  line-height: 1.45;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%236b6b6b' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 45, 45, 0.08);
  background: #fff;
}

input[dir="rtl"],
textarea[dir="rtl"] {
  text-align: right;
}

.helper {
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.nav-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.nav-row .btn-primary,
.nav-row .btn-secondary {
  flex: 1;
}

button {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

button:active {
  transform: scale(0.98);
}

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

.btn-secondary {
  background: #ededed;
  color: var(--ink);
}

.hidden {
  display: none !important;
}

.review-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.4rem;
  margin: 0 0 14px;
}

.review-list {
  margin: 0 0 20px;
}

.review-list > div {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.review-list dt {
  color: var(--muted);
  font-size: 0.9rem;
}

.review-list dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: right;
}

.btn-generate {
  width: 100%;
  margin-top: 8px;
}

.preview-area {
  margin-top: 32px;
}

.preview-area h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.3rem;
  margin: 0 0 14px;
  text-align: center;
}

.preview-stage {
  background: #e8e8e8;
  border-radius: var(--radius);
  padding: 14px;
  overflow: auto;
  max-height: 65vh;
  -webkit-overflow-scrolling: touch;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.receipt-scaler {
  display: inline-block;
}

/* ---------------- Receipt (PDF source) ---------------- */
.receipt {
  width: 210mm;
  min-height: 285mm;
  padding: 15mm 15mm 8mm;
  background: #ffffff;
  color: #000000;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.35;
  box-sizing: border-box;
}

.receipt table:last-child {
  margin-bottom: 0;
}

.receipt table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10mm;
  table-layout: fixed;
}

.receipt td {
  border: 1px solid #000000;
  padding: 8px 10px;
  vertical-align: middle;
  font-size: 13px;
  word-wrap: break-word;
}

.receipt .label {
  width: 40%;
}

.receipt .value {
  width: 60%;
}

.receipt tr:not(.product-row) td {
  height: 11mm;
}

.receipt .product-row td {
  height: 28mm;
  vertical-align: top;
}

.receipt .arabic-table {
  direction: rtl;
  font-family: "Noto Sans Arabic", Arial, sans-serif;
}

.receipt .arabic-table td {
  text-align: right;
}

.receipt .arabic-table .value {
  text-align: center;
}

.receipt .top-table .value#outProduct,
.receipt .arabic-table .value#outProductAr {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.receipt .supplier-ar {
  display: block;
  font-size: 11px;
  margin-top: 3px;
  font-family: "Noto Sans Arabic", Arial, sans-serif;
}

.receipt .payment-ar {
  font-family: "Noto Sans Arabic", "Noto Sans SC", Arial, sans-serif;
}

@media (min-width: 720px) {
  .app-main {
    padding: 0 24px 64px;
  }

  .form-card {
    padding: 32px;
  }
}