/* Apex DSP — neutral shell, distinct from SmartAudiences green */
:root {
  --apex-primary: #3d5a80;
  --apex-primary-hover: #2f4664;
  --apex-accent: #4a6fa5;
  --apex-bg: #f0f2f5;
  --apex-surface: #ffffff;
  --apex-border: #d8dde3;
  --apex-text: #1a1d21;
  --apex-muted: #6b7280;
  --apex-success: #2e7d32;
  --apex-warning: #ed6c02;
  --apex-danger: #c62828;
  --apex-radius: 8px;
  --apex-font: "Instrument Sans", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--apex-font);
  color: var(--apex-text);
  background: var(--apex-bg);
  min-height: 100vh;
}

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

a:hover {
  color: var(--apex-primary-hover);
  text-decoration: underline;
}

.btn-primary {
  --bs-btn-bg: var(--apex-primary);
  --bs-btn-border-color: var(--apex-primary);
  --bs-btn-hover-bg: var(--apex-primary-hover);
  --bs-btn-hover-border-color: var(--apex-primary-hover);
  --bs-btn-active-bg: var(--apex-primary-hover);
  --bs-btn-active-border-color: var(--apex-primary-hover);
  --bs-btn-disabled-bg: var(--apex-primary);
  --bs-btn-disabled-border-color: var(--apex-primary);
  font-weight: 600;
}

.btn-outline-primary {
  --bs-btn-color: var(--apex-primary);
  --bs-btn-border-color: var(--apex-primary);
  --bs-btn-hover-bg: var(--apex-primary);
  --bs-btn-hover-border-color: var(--apex-primary);
  --bs-btn-active-bg: var(--apex-primary-hover);
  --bs-btn-active-border-color: var(--apex-primary-hover);
  font-weight: 600;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: var(--apex-accent);
  box-shadow: 0 0 0 0.2rem rgba(61, 90, 128, 0.2);
}

.form-check-input:checked {
  background-color: var(--apex-primary);
  border-color: var(--apex-primary);
}

/* Nav */
.apex-navbar {
  background: var(--apex-surface);
  border-bottom: 1px solid var(--apex-border);
}

.apex-navbar .navbar-brand {
  font-weight: 700;
  color: var(--apex-text);
  letter-spacing: -0.02em;
}

.apex-navbar .navbar-brand span {
  color: var(--apex-primary);
  font-weight: 600;
}

.apex-navbar .nav-link {
  color: var(--apex-muted);
  font-weight: 500;
}

.apex-navbar .nav-link:hover,
.apex-navbar .nav-link.active {
  color: var(--apex-primary);
}

.apex-badge-live {
  background: #e8f5e9;
  color: var(--apex-success);
  font-weight: 600;
  font-size: 0.75rem;
}

.apex-badge-paused {
  background: #fff3e0;
  color: var(--apex-warning);
  font-weight: 600;
  font-size: 0.75rem;
}

.apex-badge-draft {
  background: #eceff1;
  color: var(--apex-muted);
  font-weight: 600;
  font-size: 0.75rem;
}

.apex-card {
  background: var(--apex-surface);
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
}

.apex-page-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.apex-page-sub {
  color: var(--apex-muted);
  margin-bottom: 1.25rem;
}

.apex-kpi {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.apex-kpi-label {
  font-size: 0.8rem;
  color: var(--apex-muted);
  font-weight: 500;
}

.apex-chart {
  width: 100%;
  height: 280px;
}

.apex-chart-sm {
  height: 220px;
}

/* Auth */
.apex-auth-wrap {
  max-width: 420px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.apex-auth-card {
  background: var(--apex-surface);
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
  padding: 2rem;
}

.apex-auth-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Wizard */
.apex-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
  padding: 0;
  list-style: none;
}

.apex-steps li {
  flex: 1 1 auto;
  min-width: 5.5rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--apex-muted);
  padding: 0;
  border-bottom: 3px solid var(--apex-border);
}

.apex-steps li .apex-step-tab {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: inherit;
  text-align: center;
  padding: 0.5rem 0.35rem;
  cursor: pointer;
  border-radius: 4px 4px 0 0;
}

.apex-steps li .apex-step-tab:hover {
  color: var(--apex-primary);
  background: rgba(61, 90, 128, 0.06);
}

.apex-steps li .apex-step-tab:focus-visible {
  outline: 2px solid var(--apex-accent);
  outline-offset: 2px;
}

.apex-steps li.active {
  color: var(--apex-primary);
  border-bottom-color: var(--apex-primary);
}

.apex-steps li.active .apex-step-tab {
  cursor: default;
}

.apex-steps li.done {
  color: var(--apex-text);
  border-bottom-color: #90a4ae;
}

.apex-wizard-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--apex-border);
}

/* Audience panel */
.apex-native-panel {
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
  padding: 1rem;
  background: #fafbfc;
  margin-bottom: 1rem;
}

.apex-audience-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.apex-audience-iframe-col {
  min-width: 0;
}

.apex-audience-sidebar {
  display: none;
  min-width: 0;
  width: 100%;
  background: #f7f8fa;
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
  padding: 0.9rem;
}

.apex-audience-layout.has-audiences {
  grid-template-columns: minmax(0, 1fr) 18.5rem;
}

.apex-audience-layout.has-audiences .apex-audience-sidebar {
  display: block;
  position: sticky;
  top: 0.75rem;
}

.apex-audience-sidebar-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.apex-audience-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.apex-sa-panel {
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
  overflow: hidden;
  background: #fff;
}

.apex-sa-panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--apex-border);
  background: #f7f8fa;
}

.apex-sa-iframe {
  width: 100%;
  min-height: 720px;
  border: 0;
  display: block;
  background: #fff;
}

.apex-audience-layout.has-audiences .apex-sa-iframe {
  min-height: 640px;
}

.apex-audience-card {
  border: 1px solid #a5d6a7;
  background: #f1f8e9;
  border-radius: var(--apex-radius);
  padding: 0.85rem 1rem;
}

.apex-audience-card + .apex-audience-card {
  margin-top: 0;
}

.apex-audience-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 4px;
  background: #c8e6c9;
  color: #1b5e20;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.apex-review-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--apex-border);
  font-size: 0.9rem;
}

.apex-review-row:last-child {
  border-bottom: 0;
}

.apex-footer {
  border-top: 1px solid var(--apex-border);
  background: var(--apex-surface);
  color: var(--apex-muted);
  font-size: 0.85rem;
  padding: 1.25rem 0;
  margin-top: 2.5rem;
}

.table > :not(caption) > * > * {
  background: transparent;
}

/* Stylized dialogs (replace native alert/confirm) */
.apex-dialog {
  border: 1px solid var(--apex-border);
  border-radius: var(--apex-radius);
  box-shadow: 0 8px 28px rgba(26, 29, 33, 0.12);
}

.apex-dialog .modal-header,
.apex-dialog .modal-footer {
  padding-left: 1.15rem;
  padding-right: 1.15rem;
}

.apex-dialog .modal-body {
  padding-left: 1.15rem;
  padding-right: 1.15rem;
  color: var(--apex-text);
}

.apex-dialog-icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.apex-dialog-icon--info {
  background: #e8eef5;
  color: var(--apex-primary);
}

.apex-dialog-icon--warn {
  background: #fff3e0;
  color: var(--apex-warning);
}

.apex-dialog-icon--error {
  background: #fdecea;
  color: var(--apex-danger);
}

.apex-dialog .btn-primary {
  min-width: 4.5rem;
}

@media (max-width: 767.98px) {
  .apex-chart {
    height: 240px;
  }

  .apex-sa-iframe,
  .apex-audience-layout.has-audiences .apex-sa-iframe {
    min-height: 640px;
  }

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

  .apex-audience-layout.has-audiences .apex-audience-sidebar {
    position: static;
  }

  .apex-steps li {
    font-size: 0.65rem;
    min-width: 4rem;
  }
}