:root {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: 'Vazirmatn', Arial, sans-serif;
  background: #f5f7fa;
  color: #1f2933;
  direction: rtl;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

h1,
h2,
h3 {
  font-weight: 600;
  margin: 0 0 1rem;
}

.legend {
  margin-bottom: 2rem;
  text-align: center;
}

.legend p {
  margin: 0.25rem 0;
  color: #4b5563;
}

.panel {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 40px -24px rgba(30, 60, 114, 0.3);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.panel header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.panel header h2 {
  font-size: 1.35rem;
  margin: 0;
}

.panel header p {
  margin: 0;
  color: #4b5563;
  font-size: 0.95rem;
}

.form-grid {
  display: grid;
  gap: 1.5rem;
}

.field-group {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.25rem;
  background: #f1f5f9;
  display: grid;
  gap: 1rem 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.field-group legend {
  font-size: 1rem;
  font-weight: 600;
  color: #1e3a8a;
  padding: 0 0.5rem;
  margin-bottom: 0.75rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.95rem;
  color: #334155;
}

.field input,
.field select,
.field textarea {
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  background: #f8fafc;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
  background: #fff;
}

.field .input-error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.field-error {
  color: #dc2626;
  font-size: 0.82rem;
  min-height: 1rem;
}

.field input[type="number"]::-webkit-outer-spin-button,
.field input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toggle-row input[type="checkbox"] {
  inline-size: 1.2rem;
  block-size: 1.2rem;
}

.form-error {
  margin-top: 1.25rem;
  color: #b91c1c;
  font-size: 0.95rem;
  min-height: 1.2rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.form-error.visible {
  opacity: 1;
}

.actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.actions button {
  border: none;
  border-radius: 999px;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.actions button.primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(37, 99, 235, 0.8);
}

.actions button.secondary {
  background: #e2e8f0;
  color: #1f2933;
}

.actions button:active {
  transform: translateY(1px);
}

.results-grid {
  display: grid;
  gap: 1.5rem;
}

.results-stack {
  display: grid;
  gap: 1.5rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.kpi-card {
  background: #f8fafc;
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px solid rgba(37, 99, 235, 0.08);
  display: grid;
  gap: 0.75rem;
}

.kpi-card h3 {
  font-size: 1.1rem;
  color: #1e3a8a;
}

.kpi-value {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

.kpi-subvalue {
  font-size: 0.9rem;
  color: #475569;
}

.chart-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px dashed rgba(37, 99, 235, 0.25);
}

.comparison-card {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.comparison-row {
  display: grid;
  gap: 0.75rem;
}

.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.comparison-row.ratio-row {
  padding-block-start: 0.25rem;
}

.bar-label {
  font-weight: 600;
  color: #1f2937;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kpi-progress {
  inline-size: 100%;
  block-size: 10px;
  appearance: none;
  background-color: transparent;
  border-radius: 9999px;
}

.kpi-progress::-webkit-progress-bar {
  background: var(--track, #e5e7eb);
  border-radius: 9999px;
}

.kpi-progress::-webkit-progress-value {
  background: var(--fill, #0ea5e9);
  border-radius: 9999px;
  transition: inline-size 0.4s ease;
}

.kpi-progress::-moz-progress-bar {
  background: var(--fill, #0ea5e9);
  border-radius: 9999px;
  transition: inline-size 0.4s ease;
}

.kpi-progress.secondary {
  --fill: #94a3b8;
}

.kpi-progress.secondary::-webkit-progress-value,
.kpi-progress.secondary::-moz-progress-bar {
  background: var(--fill2, #94a3b8);
}

.kpi-progress-label {
  font-variant-numeric: tabular-nums;
  margin-inline-start: 0.5rem;
  color: #1f2933;
  font-weight: 600;
}

.bar-value {
  font-weight: 600;
  color: #1f2933;
}

.netlify-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.netlify-card form {
  display: grid;
  gap: 1rem;
}

.netlify-card input,
.netlify-card textarea {
  background: #fff;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
}

.netlify-card textarea {
  min-height: 120px;
  resize: vertical;
}

.netlify-card button[type="submit"] {
  justify-self: start;
  background: #0f766e;
  color: #fff;
  border-radius: 10px;
  padding: 0.65rem 1.6rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

[data-flash] {
  animation: flash 0.8s ease-in-out 2;
}

@keyframes flash {
  0%,
  100% {
    background-color: transparent;
  }
  50% {
    background-color: rgba(59, 130, 246, 0.15);
  }
}

@media (min-width: 960px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .results-grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
}

@media (max-width: 640px) {
  main {
    padding: 2rem 1rem;
  }

  .panel {
    padding: 1.25rem;
  }

  .actions {
    flex-direction: column;
  }

  .actions button {
    inline-size: 100%;
  }

  .comparison-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .progress-row {
    flex-direction: column;
    align-items: stretch;
  }

  .kpi-progress-label {
    margin-inline-start: 0;
  }
}