/**
 * Banner ad styles for mycovai.in
 * Designed layouts: card-row = visual banner cards; IAB sizes for single slots.
 *
 * @see core/ad-registry.php
 * @see components/ad-banner-slot.php
 */

/* Fallback if tokens not loaded */
:root {
  --covai-ad-max-width: 1280px;
}

/* Zone: wrapper for one or more slots */
.covai-ad-zone {
  margin: var(--space-6, 24px) 0;
  max-width: var(--covai-ad-max-width);
}

/* Row of banner cards: responsive grid */
.covai-ad-zone--row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4, 16px);
  align-items: stretch;
}

@media (max-width: 991px) {
  .covai-ad-zone--row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .covai-ad-zone--row {
    grid-template-columns: 1fr;
  }
}

/* "Ad" / "Sponsored" label above the row */
.covai-ad-zone--row > .covai-ad-slot__label {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  color: var(--color-muted, #6b7280);
  margin-bottom: var(--space-2, 8px);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* Single slot container (fills grid cell) */
.covai-ad-zone--row .covai-ad-slot {
  display: block;
  min-width: 0;
}

.covai-ad-slot {
  display: inline-block;
}

/* "Ad" label above single slot */
.covai-ad-slot__label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted, #6b7280);
  margin-bottom: var(--space-1, 4px);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.covai-ad-slot__disclosure {
  margin: var(--space-2, 8px) 0 0;
  font-size: 0.75rem;
  color: var(--color-muted, #6b7280);
  line-height: 1.5;
}

.covai-ad-slot__disclosure--row {
  grid-column: 1 / -1;
}

/* Banner link: base */
.covai-ad-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2, 8px);
  padding: var(--space-3, 12px);
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: var(--radius-md, 8px);
  color: var(--color-text, #1f2937);
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-sizing: border-box;
}

.covai-ad-banner:hover {
  border-color: var(--color-primary, #0583D2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  color: var(--color-text, #1f2937);
}

.covai-ad-banner__icon {
  color: var(--color-primary, #0583D2);
  font-size: 1.25rem;
}

.covai-ad-banner__headline {
  font-weight: 600;
  font-size: 1rem;
}

.covai-ad-banner__tagline {
  font-size: 0.875rem;
  color: var(--color-muted, #6b7280);
  width: 100%;
}

.covai-ad-banner__cta {
  font-size: 0.8125rem;
  color: var(--color-primary, #0583D2);
  font-weight: 500;
}

/* --- Size classes (IAB standard dimensions) --- */
.covai-ad-banner--728x90 {
  width: 728px;
  max-width: 100%;
  min-height: 90px;
}

.covai-ad-banner--336x280 {
  width: 336px;
  max-width: 100%;
  min-height: 280px;
  flex-direction: column;
  text-align: center;
}

.covai-ad-banner--300x250 {
  width: 300px;
  max-width: 100%;
  min-height: 250px;
  flex-direction: column;
  text-align: center;
}

.covai-ad-banner--320x50 {
  width: 320px;
  max-width: 100%;
  min-height: 50px;
}

/* --- card-row: designed banner cards (visual layout) --- */
.covai-ad-banner--card-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  min-height: 160px;
  padding: var(--space-5, 20px);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.covai-ad-banner--card-row:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.covai-ad-banner--card-row .covai-ad-banner__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-3, 12px);
  flex-shrink: 0;
}

.covai-ad-banner--card-row .covai-ad-banner__headline {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-1, 4px);
}

.covai-ad-banner--card-row .covai-ad-banner__tagline {
  font-size: 0.8125rem;
  line-height: 1.4;
  margin-bottom: var(--space-3, 12px);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.covai-ad-banner--card-row .covai-ad-banner__cta {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: var(--space-1, 4px) var(--space-2, 8px);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.06);
  color: var(--color-text, #1f2937);
  margin-top: auto;
  align-self: flex-start;
}

.covai-ad-banner--card-row:hover .covai-ad-banner__cta {
  background: var(--color-primary, #0583D2);
  color: #fff;
}

/* Optional image at top of card-row banner */
.covai-ad-banner--card-row.covai-ad-banner--has-image {
  padding: 0;
  overflow: hidden;
}

.covai-ad-banner--card-row .covai-ad-banner__image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 0;
}

.covai-ad-banner--card-row .covai-ad-banner__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__icon,
.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__headline,
.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__tagline,
.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__cta {
  margin-left: var(--space-5, 20px);
  margin-right: var(--space-5, 20px);
}

.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__icon {
  margin-top: var(--space-3, 12px);
  margin-bottom: var(--space-2, 8px);
}

.covai-ad-banner--card-row.covai-ad-banner--has-image .covai-ad-banner__cta {
  margin-bottom: var(--space-4, 16px);
}

/* --- Design variants (card backgrounds + icon box for card-row) --- */
.covai-ad-banner--mycovai {
  background: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 100%);
  border-color: #bae6fd;
}

.covai-ad-banner--mycovai:hover {
  border-color: var(--color-primary, #0583D2);
}

.covai-ad-banner--mycovai.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(6, 182, 212, 0.2);
  color: #0891b2;
}

.covai-ad-banner--default {
  background: #f8f9fa;
}

.covai-ad-banner--default.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(0, 0, 0, 0.08);
  color: var(--color-primary, #0583D2);
}

.covai-ad-banner--resumedoctor {
  background: linear-gradient(160deg, #fef9e7 0%, #fef3c7 100%);
  border-color: #fde68a;
}

.covai-ad-banner--resumedoctor:hover {
  border-color: #f59e0b;
}

.covai-ad-banner--resumedoctor.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(245, 158, 11, 0.25);
  color: #b45309;
}

.covai-ad-banner--colourchemist {
  background: linear-gradient(160deg, #fdf2f8 0%, #fce7f3 100%);
  border-color: #f9a8d4;
}

.covai-ad-banner--colourchemist:hover {
  border-color: #db2777;
}

.covai-ad-banner--colourchemist.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(219, 39, 119, 0.2);
  color: #be185d;
}

.covai-ad-banner--bseri {
  background: linear-gradient(160deg, #ecfdf5 0%, #d1fae5 100%);
  border-color: #6ee7b7;
}

.covai-ad-banner--bseri.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(16, 185, 129, 0.25);
  color: #047857;
}

.covai-ad-banner--edmasters {
  background: linear-gradient(160deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #93c5fd;
}

.covai-ad-banner--edmasters:hover {
  border-color: #2563eb;
}

.covai-ad-banner--edmasters.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(59, 130, 246, 0.25);
  color: #1d4ed8;
}

.covai-ad-banner--myomr {
  background: linear-gradient(160deg, #f0fdfa 0%, #ccfbf1 100%);
  border-color: #5eead4;
}

.covai-ad-banner--myomr:hover {
  border-color: #0d9488;
}

.covai-ad-banner--myomr.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(20, 184, 166, 0.25);
  color: #0f766e;
}

.covai-ad-banner--akshayam {
  background: linear-gradient(160deg, #fffbeb 0%, #fef3c7 100%);
  border-color: #fcd34d;
}

.covai-ad-banner--akshayam:hover {
  border-color: #d97706;
}

.covai-ad-banner--akshayam.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(217, 119, 6, 0.25);
  color: #b45309;
}

.covai-ad-banner--amazon {
  background: linear-gradient(160deg, #fff7ed 0%, #ffedd5 100%);
  border-color: #fdba74;
}

.covai-ad-banner--amazon:hover {
  border-color: #ea580c;
}

.covai-ad-banner--amazon.covai-ad-banner--card-row .covai-ad-banner__icon {
  background: rgba(234, 88, 12, 0.2);
  color: #c2410c;
}

/* Google AdSense units */
.covai-adsense-zone {
  margin: var(--space-6, 24px) auto;
  max-width: var(--covai-ad-max-width);
  text-align: center;
}

.covai-adsense-zone__label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
  margin-bottom: 0.35rem;
}

.covai-adsense-unit {
  margin: 0 auto;
}