@font-face {
  font-family: "Vazirmatn";
  src: url("/static/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/static/fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/static/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --border: #e2e2ec;
  --text: #1f2130;
  --text-muted: #6b6f85;
  --primary: #2f6fed;
  --primary-hover: #2559c7;
  --success: #1c8a4b;
  --success-bg: #e8f7ee;
  --danger: #c62d3f;
  --danger-bg: #fbeaec;
  --warning: #9a6a00;
  --warning-bg: #fdf3dc;
  --accent-main: #2f6fed;
  --accent-main-bg: #eef3fe;
  --accent-exclusion: #b5772f;
  --accent-exclusion-bg: #fbf1e6;
  --radius: 10px;
  --radius-sm: 6px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.app-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

header.app-header h1 {
  font-size: 1.25rem;
  margin: 0;
}

button, .btn {
  font-family: inherit;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  transition: background 0.15s ease;
}
button:hover:not(:disabled), .btn:hover:not(:disabled) {
  background: var(--primary-hover);
}
button:disabled {
  background: #c7c9d9;
  cursor: not-allowed;
}
button.secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
button.secondary:hover {
  background: var(--surface);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  margin-inline-end: 8px;
}

input[type="password"], input[type="file"], textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.counter {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: left;
  margin-top: 4px;
}
.counter.over-limit {
  color: var(--danger);
  font-weight: 700;
}

.mode-tag {
  display: inline-block;
  font-size: 0.78rem;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--warning-bg);
  color: var(--warning);
  margin-bottom: 10px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.summary-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  text-align: center;
}
.summary-tile .n {
  font-size: 1.3rem;
  font-weight: 700;
}
.summary-tile .l {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.summary-tile.valid { border-color: var(--success); }
.summary-tile.valid .n { color: var(--success); }
.summary-tile.invalid { border-color: var(--danger); }
.summary-tile.invalid .n { color: var(--danger); }

table.rows-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 10px;
}
table.rows-table th, table.rows-table td {
  border-bottom: 1px solid var(--border);
  padding: 6px 8px;
  text-align: right;
}

.preview-box {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: #fbfbfe;
  min-height: 60px;
  white-space: pre-wrap;
  word-break: break-word;
}
.preview-box img.preview-photo {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
  display: block;
}

.error-box {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-top: 10px;
  font-size: 0.88rem;
}

.progress-bar-track {
  height: 10px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin: 12px 0;
}
.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.2s ease;
}

.status-line {
  font-weight: 700;
  margin-bottom: 4px;
}
.status-line.completed { color: var(--success); }
.status-line.partially_completed { color: var(--warning); }
.status-line.failed { color: var(--danger); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 30, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
}
.modal-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

.login-shell {
  max-width: 360px;
  margin: 15vh auto 0;
  padding: 0 16px;
}

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* --- Test-mode banner --- */
.test-mode-banner {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: 10px 16px;
  text-align: center;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

/* --- Stepper --- */
.stepper {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  gap: var(--space-2);
}
.step-item {
  flex: 1;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-bottom: var(--space-2);
  border-bottom: 3px solid var(--border);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.step-item .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  margin-inline-end: 6px;
}
.step-item.active {
  color: var(--primary);
  border-color: var(--primary);
  font-weight: 700;
}
.step-item.active .step-num {
  background: var(--primary);
  color: #fff;
}
.step-item.done {
  color: var(--success);
  border-color: var(--success);
}
.step-item.done .step-num {
  background: var(--success);
  color: #fff;
}

/* --- Upload cards / dropzones --- */
.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}
.upload-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
}
.upload-card.accent-main {
  border-color: var(--accent-main);
  background: var(--accent-main-bg);
}
.upload-card.accent-exclusion {
  border-color: var(--accent-exclusion);
  background: var(--accent-exclusion-bg);
}
.upload-card-title {
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.upload-card.accent-main .upload-card-title { color: var(--accent-main); }
.upload-card.accent-exclusion .upload-card-title { color: var(--accent-exclusion); }
.upload-card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 2px 0 10px;
}
.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--danger);
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-3);
  text-align: center;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone.small {
  padding: var(--space-3);
}
.dropzone:hover, .dropzone:focus-visible {
  border-color: var(--primary);
}
.dropzone.drag-over {
  border-color: var(--primary);
  background: var(--accent-main-bg);
}
.dz-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.dz-filename {
  margin: 6px 0 0;
  font-weight: 700;
  font-size: 0.85rem;
  word-break: break-all;
}

.report-summary {
  margin-top: var(--space-3);
}

.compare-groups {
  margin-top: var(--space-4);
}
.compare-groups h3 {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
}

/* --- Scrollable, sticky-header tables --- */
.table-scroll {
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: var(--space-2);
}
table.rows-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

/* --- Empty states --- */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: var(--space-4);
}

/* --- Button builder / chips --- */
.button-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  align-items: center;
}
.button-row input {
  flex: 1;
  font-family: inherit;
  font-size: 0.88rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.button-row .remove-button-row {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
}
.button-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.button-chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-main-bg);
  color: var(--accent-main);
  border: 1px solid var(--accent-main);
  font-size: 0.82rem;
}

/* --- Progress --- */
.progress-percent {
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin: 0 0 var(--space-2);
}
.status-line.interrupted { color: var(--danger); }

/* --- Toasts --- */
.toast-stack {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 40;
  width: min(90vw, 420px);
}
.toast {
  background: var(--text);
  color: #fff;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  animation: toast-in 0.15s ease;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-box.wide {
  max-width: 560px;
  text-align: right;
}
.column-candidate {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  cursor: pointer;
  text-align: right;
}
.column-candidate:hover {
  border-color: var(--primary);
  background: var(--accent-main-bg);
}
.column-candidate .cc-header {
  font-weight: 700;
}
.column-candidate .cc-samples {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Responsive --- */
@media (max-width: 480px) {
  .app-shell { padding: 16px 10px 48px; }
  .stepper { font-size: 0.7rem; }
  .upload-grid { grid-template-columns: 1fr; }
}