:root {
  --primary: #0b5cab;
  --primary-dark: #08457f;
  --border: #d7dde5;
  --text: #1f2933;
  --muted: #667085;
  --light: #f5f7fa;
  --danger: #b42318;
  --success-bg: #ecfdf3;
  --success-text: #067647;
  --danger-bg: #fef3f2;
  --warning-bg: #fffaeb;
  --warning-text: #93370d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--light);
  font-size: 15px;
  line-height: 1.45;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.navbar {
  background: #1f2933;
  color: #fff;
}

.nav-inner,
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-inner {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.navbar-brand {
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.navbar-brand:hover {
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  gap: 14px;
  flex: 1;
  flex-wrap: wrap;
}

.nav-link {
  color: #d9e2ec;
}

.nav-link:hover {
  color: #fff;
}

main.container {
  padding-top: 28px;
  padding-bottom: 40px;
}

h1,
h2 {
  margin-top: 0;
  line-height: 1.2;
}

.h3 {
  font-size: 26px;
}

.h4 {
  font-size: 22px;
}

.h5 {
  font-size: 18px;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-3 { margin-top: 16px; }
.me-auto { margin-right: auto; }
.ms-2 { margin-left: 8px; }
.py-4 { padding-top: 24px; padding-bottom: 24px; }
.py-5 { padding-top: 48px; padding-bottom: 48px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }

.d-flex {
  display: flex;
}

.justify-content-between {
  justify-content: space-between;
}

.align-items-center {
  align-items: center;
}

.gap-2 {
  gap: 8px;
}

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.g-3 {
  gap: 16px;
}

.col-12 {
  grid-column: span 12;
}

.col-md-6 {
  grid-column: span 6;
}

.border {
  border: 1px solid var(--border);
}

.rounded {
  border-radius: 8px;
}

.bg-white {
  background: #fff;
}

.bg-light {
  background: var(--light);
}

.text-muted {
  color: var(--muted);
}

.text-danger {
  color: var(--danger);
}

.small {
  font-size: 13px;
}

.overflow-auto {
  overflow: auto;
}

.is-loading {
  opacity: 0.72;
}

.font-monospace {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--text);
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-light {
  color: #fff;
  border-color: #9fb3c8;
  background: transparent;
}

.btn-sm {
  min-height: 32px;
  padding: 5px 10px;
  font-size: 13px;
}

.w-100 {
  width: 100%;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form-control {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-text {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check-input {
  width: 16px;
  height: 16px;
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
  background: #fff;
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: #abefc6;
}

.alert-danger,
.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: #fecdca;
}

.alert-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: #fedf89;
}

.swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.swatch {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.banner-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.banner-thumb {
  display: block;
  width: 100%;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.banner-thumb.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(11, 92, 171, 0.14);
}

.banner-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 600 / 140;
  object-fit: contain;
  background: #fff;
  border: 1px solid #eef2f6;
}

.banner-thumb span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  word-break: break-word;
}

.builder-page {
  width: min(1280px, calc(100vw - 32px));
  margin-left: 50%;
  transform: translateX(-50%);
}

.builder-header {
  gap: 18px;
}

.builder-title {
  min-width: 0;
}

.builder-actions {
  flex-shrink: 0;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(420px, 520px) minmax(640px, 1fr);
  gap: 18px;
  align-items: start;
}

.builder-controls {
  min-width: 0;
}

.builder-preview-column {
  min-width: 0;
}

.builder-preview-card {
  position: sticky;
  top: 18px;
}

.builder-preview-frame {
  width: 100%;
  min-height: 260px;
  padding: 16px;
  overflow: auto;
}

.builder-preview-frame > table {
  margin: 0 auto;
}

.builder-two-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.builder-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.builder-checks .form-check {
  min-height: 24px;
}

.builder-savebar {
  flex-wrap: wrap;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.table-striped tbody tr:nth-child(even) {
  background: #f8fafc;
}

.login-card {
  max-width: 420px;
}

@media (max-width: 760px) {
  .nav-inner,
  .d-flex {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-inner {
    padding: 12px 0;
  }

  .navbar-nav {
    width: 100%;
  }

  .col-md-6 {
    grid-column: span 12;
  }

  .builder-page {
    width: 100%;
    margin-left: 0;
    transform: none;
  }

  .builder-grid,
  .builder-two-cols,
  .builder-checks {
    grid-template-columns: 1fr;
  }

  .builder-preview-card {
    position: static;
  }

  .builder-preview-frame {
    padding: 10px;
  }
}

@media (min-width: 761px) and (max-width: 1180px) {
  .builder-page {
    width: min(100%, calc(100vw - 32px));
    margin-left: 0;
    transform: none;
  }

  .builder-grid {
    grid-template-columns: 1fr;
  }

  .builder-preview-card {
    position: static;
  }
}