/**
 * @file
 * APB Site CSS - Loaded only on front-end pages.
 *
 * Front-end styles, animations, and visual enhancements.
 */

/* ===========================
   APB Paragraph Base Styles
   =========================== */

.apb-paragraph {
  /* CSS Variables - can be overridden via inline styles */
  --apb-column-gap: 1rem;
  --apb-component-width: 100%;
  --apb-bg-color: transparent;
  --apb-padding: 0;
  --apb-opacity: 1;

  /* Apply variables */
  background-color: var(--apb-bg-color);
  padding: var(--apb-padding);
  opacity: var(--apb-opacity);
  width: var(--apb-component-width);
  max-width: 100%;
  box-sizing: border-box;
}

/* ===========================
   Grid Layout - Columns
   =========================== */

.apb-paragraph[class*="apb-columns-"] {
  display: grid;
  gap: var(--apb-column-gap);
}

.apb-columns-1 {
  grid-template-columns: 1fr;
}
.apb-columns-2 {
  grid-template-columns: repeat(2, 1fr);
}
.apb-columns-3 {
  grid-template-columns: repeat(3, 1fr);
}
.apb-columns-4 {
  grid-template-columns: repeat(4, 1fr);
}
.apb-columns-5 {
  grid-template-columns: repeat(5, 1fr);
}
.apb-columns-6 {
  grid-template-columns: repeat(6, 1fr);
}
.apb-columns-7 {
  grid-template-columns: repeat(7, 1fr);
}
.apb-columns-8 {
  grid-template-columns: repeat(8, 1fr);
}
.apb-columns-9 {
  grid-template-columns: repeat(9, 1fr);
}
.apb-columns-10 {
  grid-template-columns: repeat(10, 1fr);
}

/* Responsive columns */
@media (max-width: 1024px) {
  .apb-columns-7,
  .apb-columns-8,
  .apb-columns-9,
  .apb-columns-10 {
    grid-template-columns: repeat(4, 1fr);
  }

  .apb-columns-5,
  .apb-columns-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .apb-columns-3,
  .apb-columns-4,
  .apb-columns-5,
  .apb-columns-6,
  .apb-columns-7,
  .apb-columns-8,
  .apb-columns-9,
  .apb-columns-10 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .apb-paragraph[class*="apb-columns-"] {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   Vertical Alignment
   =========================== */

.apb-valign-top {
  align-items: flex-start;
}

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

.apb-valign-bottom {
  align-items: flex-end;
}

.apb-valign-stretch {
  align-items: stretch;
}

/* Content vertical alignment */
.apb-content-valign-top {
  align-self: flex-start;
}

.apb-content-valign-center {
  align-self: center;
}

.apb-content-valign-bottom {
  align-self: flex-end;
}

.apb-content-valign-stretch {
  align-self: stretch;
}

/* ===========================
   Grid Column Span
   =========================== */

.apb-span-2 {
  grid-column: span 2;
}

.apb-span-3 {
  grid-column: span 3;
}

.apb-span-4 {
  grid-column: span 4;
}

.apb-span-full {
  grid-column: 1 / -1;
}

/* ===========================
   Target Placement
   =========================== */

.apb-placement-full-width {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.apb-placement-container {
  max-width: var(--site-container-width, 1200px);
  margin-left: auto;
  margin-right: auto;
}

.apb-placement-narrow {
  max-width: var(--site-narrow-width, 800px);
  margin-left: auto;
  margin-right: auto;
}

/* ===========================
   Templates (Examples)
   =========================== */

.apb-template-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.apb-template-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===========================
   Legacy Support (Deprecated)
   Keep for backward compatibility
   =========================== */

/* Section Styles */
.apb-section {
  transition: var(--apb-transition);
}

.apb-section--full-width {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* Vertical Alignment */
.apb-section[data-vertical-align="top"] {
  align-items: flex-start;
}

.apb-section[data-vertical-align="center"] {
  align-items: center;
}

.apb-section[data-vertical-align="bottom"] {
  align-items: flex-end;
}

.apb-section[data-vertical-align="stretch"] {
  align-items: stretch;
}

/* Grid Column Span */
.apb-content[data-span="full"] {
  grid-column: 1 / -1;
}

.apb-content[data-span="span-2"] {
  grid-column: span 2;
}

.apb-content[data-span="span-3"] {
  grid-column: span 3;
}

.apb-content[data-span="span-4"] {
  grid-column: span 4;
}

.apb-content[data-span="span-5"] {
  grid-column: span 5;
}

/* Column Templates */
.apb-section--cols-2.apb-template-50-50 {
  grid-template-columns: 1fr 1fr;
}

.apb-section--cols-2.apb-template-33-67 {
  grid-template-columns: 1fr 2fr;
}

.apb-section--cols-2.apb-template-67-33 {
  grid-template-columns: 2fr 1fr;
}

.apb-section--cols-2.apb-template-25-75 {
  grid-template-columns: 1fr 3fr;
}

.apb-section--cols-2.apb-template-75-25 {
  grid-template-columns: 3fr 1fr;
}

.apb-section--cols-3.apb-template-33-33-33 {
  grid-template-columns: 1fr 1fr 1fr;
}

.apb-section--cols-3.apb-template-25-25-50 {
  grid-template-columns: 1fr 1fr 2fr;
}

.apb-section--cols-3.apb-template-50-25-25 {
  grid-template-columns: 2fr 1fr 1fr;
}

.apb-section--cols-3.apb-template-25-50-25 {
  grid-template-columns: 1fr 2fr 1fr;
}

.apb-section--cols-4.apb-template-25-25-25-25 {
  grid-template-columns: repeat(4, 1fr);
}

/* Content Animations */
.apb-content {
  animation: apbSlideIn 0.6s ease-out;
}

@keyframes apbSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hover Effects */
.apb-content:hover {
  transform: translateY(-2px);
  transition: var(--apb-transition);
}

/* Background Gradients */
.apb-section[data-gradient="true"] {
  background: linear-gradient(
    135deg,
    var(--apb-bg-color-1, #0073aa) 0%,
    var(--apb-bg-color-2, #005177) 100%
  );
}

/* Responsive Sections */
@media (max-width: 1024px) {
  .apb-section--cols-3,
  .apb-section--cols-4,
  .apb-section--cols-5 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .apb-section {
    grid-template-columns: 1fr !important;
  }

  .apb-content[data-span] {
    grid-column: auto;
  }
}

/* Content Cards */
.apb-card {
  background: white;
  border-radius: var(--apb-border-radius);
  padding: var(--apb-spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: var(--apb-transition);
}

.apb-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.apb-card__title {
  margin: 0 0 var(--apb-spacing-sm);
  font-size: 1.5em;
  font-weight: 600;
  color: #23282d;
}

.apb-card__description {
  margin: 0 0 var(--apb-spacing-md);
  color: #666;
  line-height: 1.6;
}

.apb-card__link {
  display: inline-block;
  padding: 8px 16px;
  background: var(--apb-color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--apb-border-radius);
  transition: var(--apb-transition);
}

.apb-card__link:hover {
  background: var(--apb-color-secondary);
  transform: translateX(4px);
}

/* Overlay Effects */
.apb-overlay {
  position: relative;
  overflow: hidden;
}

.apb-overlay::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: var(--apb-transition);
  pointer-events: none;
}

.apb-overlay:hover::before {
  opacity: 1;
}

/* Parallax Effect */
.apb-parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Loading Animation */
.apb-content--loading {
  position: relative;
  min-height: 200px;
}

.apb-content--loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 4px solid rgba(0, 115, 170, 0.2);
  border-top-color: var(--apb-color-primary);
  border-radius: 50%;
  animation: apbSpin 0.8s linear infinite;
}

/* Accessibility */
.apb-skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--apb-color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 10000;
}

.apb-skip-link:focus {
  top: 0;
}

/* Print Styles */
@media print {
  .apb-section {
    break-inside: avoid;
  }

  .apb-content {
    animation: none;
  }
}