:root {
  --page-bg: #f5f7fb;
  --page-surface: #ffffff;
  --page-surface-muted: #f1f5f9;
  --border-color: #e2e8f0;
  --border-strong: #cbd5f5;
  --brand: #22c55e;
  --brand-strong: #16a34a;
  --brand-soft: rgba(34, 197, 94, 0.1);
  --danger: #ef4444;
  --warning: #facc15;
  --success: #16a34a;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-lg: 0 35px 120px -40px rgba(15, 23, 42, 0.35);
  --shadow-card: 0 18px 45px -30px rgba(30, 41, 59, 0.55);
  --shadow-soft: 0 12px 40px -20px rgba(15, 23, 42, 0.2);
  --font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-base: all 0.25s ease;
  --header-offset: 220px;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  padding-top: 30px;
  background: var(--page-bg);
  color: var(--text-primary);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brand-strong);
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-offset);
}

.hr {
  margin: 25px auto;
}

.page-header {
  padding: 0px 24p;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1100;
  background: var(--page-surface);
  box-shadow: 0 12px 30px -22px rgba(15, 23, 42, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-header--hidden {
  transform: translateY(-110%);
  box-shadow: none;
}

.page-header .container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.progress-steps {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 32px;
  box-shadow: var(--shadow-soft);
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.progress-step__icon {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--border-color);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: #ffffff;
  transition: var(--transition-base);
}

.progress-step__icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.progress-step.active {
  color: var(--brand-strong);
}

.progress-step.active .progress-step__icon {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-strong);
}

.progress-step.completed .progress-step__icon {
  border-color: var(--brand);
  background: var(--brand);
  color: var(--text-inverse);
}

.progress-separator {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.5), rgba(148, 163, 184, 0.1));
}

.page-heading {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-heading p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.6;
}

.content {
  flex: 1;
  padding: 0 24px 56px;
}

.page-footer {
  background: var(--page-surface);
  border-top: 1px solid var(--border-color);
  padding: 20px 24px;
}

.page-footer .container {
  max-width: 1280px;
  margin: 0 auto;
}

.page-footer__info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-footer__title {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-weight: 600;
}

.page-footer__versions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 14px;
}

.page-footer__version-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 500;
}

.page-footer__version-item strong {
  color: var(--text-primary);
  font-size: 13px;
}

.page-footer__version-value {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 13px;
  color: var(--text-secondary);
}

.page-footer__version-separator {
  color: var(--text-tertiary);
}

.content .container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step-screen {
  display: none;
  width: 100%;
}

.step-screen.is-active {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step-footer {
  padding-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.step-footer .btn {
  min-width: 140px;
}

.step-footer__actions {
  margin-left: auto;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.step-footer__actions .btn {
  min-width: 160px;
}

@media (max-width: 768px) {
  .step-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .step-footer__actions {
    width: 100%;
    justify-content: stretch;
  }

  .step-footer__actions .btn,
  .step-footer .btn {
    width: 100%;
  }
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(340px, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--page-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-soft);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

.panel-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
}

.panel-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-secondary);
}

.field-hint {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 15px;
}

.form-control,
.form-select,
textarea,
input[type="date"],
input[type="search"],
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--page-surface);
  color: var(--text-primary);
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select-small {
  padding: 3px 10px;
  text-align: center;
}

.input-small {
  padding: 3px 10px !important;
  margin-top: 0px !important;
  text-align: center !important;
}

.form-control:focus,
.form-select:focus,
textarea:focus,
input[type="date"]:focus,
input[type="search"]:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
  outline: none;
}

textarea {
  min-height: 220px;
  resize: vertical;
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 20px;
  border: none;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: var(--text-inverse);
  box-shadow: 0 14px 35px -18px rgba(22, 163, 74, 0.55);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px -20px rgba(22, 163, 74, 0.65);
}

.btn-secondary {
  background: var(--page-surface-muted);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 16px;
}

.btn-secondary:hover:not(:disabled) {
  background: #e9eef7;
}

.btn-link {
  background: transparent;
  color: var(--brand-strong);
  padding: 10px 12px;
}

.btn-link:hover:not(:disabled) {
  background: var(--brand-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge.success {
  background: rgba(34, 197, 94, 0.14);
  color: var(--brand-strong);
}

.empty-state {
  background: var(--page-surface-muted);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}

.search-input {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input input {
  padding-left: 44px;
}

.search-input svg {
  position: absolute;
  left: 16px;
  width: 18px;
  height: 18px;
  stroke: var(--text-tertiary);
}

.metrics-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.metrics-bar span {
  color: var(--text-secondary);
  font-size: 14px;
}

.metrics-bar .controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.metrics-bar label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  color: var(--text-secondary);
}

.selection-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.selection-summary strong {
  font-size: 18px;
  color: var(--text-primary);
}

.selection-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .layout-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 880px) {
  .progress-steps {
    flex-wrap: wrap;
    justify-content: center;
    padding: 16px 20px;
  }

  .layout-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .page-header {
    padding: 36px 18px 24px;
  }

  .page-footer__info {
    flex-direction: column;
    align-items: flex-start;
  }

  .content {
    padding: 0 18px 40px;
  }

  .panel {
    padding: 22px;
  }
}