:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --card-soft: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --primary: #4f46e5;
  --primary-strong: #4338ca;
  --primary-soft: #eef2ff;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warning: #d97706;
  --warning-soft: #fff7ed;
  --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 18px 48px rgba(15, 23, 42, 0.09);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79,70,229,0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(59,130,246,0.08), transparent 22%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
}
a { color: inherit; }
.page-shell { min-height: 100vh; }
.bg-orb { display: none; }
.wrap {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero-card,
.stepper-card,
.card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, .9fr);
  gap: 24px;
  padding: 28px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 55%, #eef2ff 100%);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
h1,h2,h3 { margin: 0; line-height: 1.12; }
h1 { font-size: 38px; font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
h3 { font-size: 15px; font-weight: 700; }
.hero-subtitle,
.section-subtitle { color: var(--muted); margin-top: 10px; }
.hero-metrics {
  display: grid;
  gap: 12px;
  align-content: start;
}
.metric-card {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(199,210,254,0.9);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}
.metric-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.metric-card strong { display: block; font-size: 16px; margin-bottom: 4px; }
.metric-card small { color: var(--muted); }

.stepper-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  margin-bottom: 18px;
}
.step-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.step-dot {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid var(--line);
  flex: 0 0 auto;
}
.step-item.active { color: var(--text); }
.step-item.active .step-dot {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 22px rgba(79,70,229,0.24);
}
.step-item.done { color: var(--success); }
.step-item.done .step-dot {
  background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
  color: #fff;
  border-color: transparent;
}
.step-divider {
  flex: 1;
  min-width: 16px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #e2e8f0 0%, #cbd5e1 100%);
}

.card {
  padding: 22px;
  margin-bottom: 18px;
}
.form-card { overflow: hidden; }
.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.section-head-progress { align-items: center; }
.button-secondary,
button,
.upload-button,
.download-tile {
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(79,70,229,0.22);
}
button:hover:not([disabled]),
.upload-button:hover,
.download-tile:hover { transform: translateY(-1px); }
button[disabled] { opacity: .55; cursor: not-allowed; box-shadow: none; }
.button-secondary {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  box-shadow: none;
}
.button-small { padding: 10px 14px; }

.upload-zone {
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
  padding: 28px 20px;
  margin-bottom: 18px;
  border: 1.5px dashed #c7d2fe;
  border-radius: 22px;
  background: linear-gradient(180deg, #fbfcff 0%, #f8fbff 100%);
  cursor: pointer;
}
.upload-zone.dragover {
  border-color: var(--primary);
  background: linear-gradient(180deg, #f8f9ff 0%, #eef2ff 100%);
}
.upload-zone input[type="file"] { display: none; }
.upload-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
}
.upload-title { font-weight: 800; font-size: 17px; }
.upload-caption { color: var(--muted); max-width: 560px; }
.upload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 6px;
  padding: 10px 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 800;
}

.summary-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.summary-chip {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #fcfdff 100%);
  border: 1px solid var(--line);
}
.chip-label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
  font-weight: 700;
}
.summary-chip strong { font-size: 22px; letter-spacing: -.02em; }

.table-card {
  background: linear-gradient(180deg, #fff 0%, #fcfdff 100%);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px;
}
.table-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.table-note { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; }
.table-wrap.compact {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid #eef2f7;
  border-radius: 16px;
  background: #fff;
}
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 11px;
}
th, td {
  border-bottom: 1px solid #f1f5f9;
  text-align: left;
  padding: 3px 6px;
  vertical-align: top;
  line-height: 1.2;
}
th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f8fafc;
  color: #475569;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
tr:hover td { background: #fafbff; }
.muted-cell { color: var(--muted); text-align: center; padding: 18px 12px; }
.action-col { width: 72px; }
.action-cell { width: 72px; text-align: right; }
.remove-file-btn {
  border: 0;
  background: transparent;
  color: #94a3b8;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  box-shadow: none;
}
.remove-file-btn:hover { color: var(--danger); transform: none; }
.status-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tone-success { background: #ecfdf3; color: var(--success); }
.tone-error { background: #fef2f2; color: var(--danger); }
.tone-muted { background: #f8fafc; color: #64748b; }
.tone-accent { background: #eef2ff; color: var(--primary); }

.validation-summary {
  margin: 16px 0;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fbfdff;
}
.validation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.validation-title { font-weight: 800; }
.validation-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}
.validation-summary.valid { border-color: #bbf7d0; background: #f8fffb; }
.validation-summary.valid .validation-badge { background: #ecfdf3; color: var(--success); }
.validation-summary.invalid { border-color: #fecaca; background: #fffafa; }
.validation-summary.invalid .validation-badge { background: #fef2f2; color: var(--danger); }
.file-list { margin: 0; padding-left: 18px; }
.file-list.muted { color: var(--muted); }
.compact-list { font-size: 13px; }
.compact-list li + li { margin-top: 4px; }

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}
.checkbox { display: inline-flex !important; align-items: center; gap: 10px; font-weight: 700; }
.checkbox input { width: auto; accent-color: var(--primary); }
.switch-row span { color: var(--text); }

.progress-card {
  background: linear-gradient(180deg, #fafcff 0%, #f3f7ff 100%);
  border-color: #dbeafe;
}
.progress-percent {
  min-width: 72px;
  text-align: right;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--primary);
}
.progress-line {
  height: 12px;
  background: #dbeafe;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 14px;
}
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #6366f1 0%, #3b82f6 100%);
  transition: width .18s linear;
}
.status-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.95);
  border: 1px solid #dbeafe;
  font-weight: 700;
  color: #1d4ed8;
  margin-bottom: 12px;
}
.status-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3b82f6;
  box-shadow: 0 0 0 0 rgba(59,130,246,.55);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59,130,246,.55); }
  70% { box-shadow: 0 0 0 10px rgba(59,130,246,0); }
  100% { box-shadow: 0 0 0 0 rgba(59,130,246,0); }
}

.error {
  background: var(--danger-soft);
  color: #991b1b;
  border: 1px solid #fecaca;
}
.success-card {
  background: linear-gradient(180deg, #fbfffd 0%, #f4fff8 100%);
  border-color: #bbf7d0;
}
.result-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #166534;
  font-size: 12px;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 14px;
}
.download-tile {
  display: block;
  padding: 16px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(15,23,42,.04);
}
.download-tile.primary {
  border-color: #c7d2fe;
  background: linear-gradient(180deg, #f7f8ff 0%, #eef2ff 100%);
}
.tile-title { display: block; font-weight: 800; margin-bottom: 4px; }
.tile-caption { display: block; font-size: 13px; color: var(--muted); }
.result-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin-top: 16px;
}
.result-stat {
  padding: 16px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #dcfce7;
}
.result-stat span { display: block; color: var(--muted); margin-bottom: 6px; }
.result-stat strong { font-size: 28px; letter-spacing: -.03em; }

@media (max-width: 900px) {
  .hero-card { grid-template-columns: 1fr; }
  .summary-chips, .download-grid, .result-stats { grid-template-columns: 1fr; }
  .section-head, .form-footer { flex-direction: column; align-items: stretch; }
  .progress-percent { text-align: left; }
}
@media (max-width: 760px) {
  .wrap { width: min(100% - 24px, 100%); padding: 18px 0 30px; }
  .hero-card, .stepper-card, .card { border-radius: 20px; }
  h1 { font-size: 30px; }
  .stepper-card { overflow-x: auto; }
  button { width: 100%; }
}


/* Compact upload block */
.upload-area, .dropzone, .file-drop {
    padding: 20px 16px !important;
    min-height: 100px !important;
}

.upload-area h3, .dropzone h3, .file-drop h3 {
    margin: 6px 0 !important;
    font-size: 16px !important;
}

.upload-area button, .dropzone button, .file-drop button {
    margin-top: 6px !important;
    padding: 8px 14px !important;
}


/* Remove drag & drop визуально, оставить только кнопку */
.upload-area, .dropzone, .file-drop {
    border: none !important;
    padding: 20px 0 !important;
    min-height: auto !important;
    text-align: center;
}

.upload-area .icon,
.upload-area h3,
.dropzone .icon,
.dropzone h3,
.file-drop .icon,
.file-drop h3 {
    display: none !important;
}


/* Button-only file picker */
.upload-zone.upload-zone-button-only {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 8px 0 14px;
  margin-bottom: 18px;
  border: 0;
  background: transparent;
  border-radius: 0;
}

.upload-zone.upload-zone-button-only:hover {
  background: transparent;
}

.upload-zone.upload-zone-button-only .upload-button {
  margin-top: 0;
}


/* Hide native file input, keep only custom upload button */
#all_files_picker {
    display: none !important;
}

.mapping-card {
  margin: 16px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #fcfdff 100%);
}
.mapping-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.mapping-upload-title {
  font-weight: 800;
}
.mapping-upload-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.mapping-picker-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
}
.mapping-picker-label input {
  display: none !important;
}
.mapping-selected {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 760px) {
  .mapping-row {
    flex-direction: column;
    align-items: stretch;
  }
  .mapping-upload-actions {
    width: 100%;
  }
}


/* Sticky stepper */
.stepper-card {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}