/*
 * Components CSS
 * Loaded asynchronously
 */

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--nb-space-3) var(--nb-space-6);
  font-family: var(--nb-font-display);
  font-weight: var(--nb-weight-semibold);
  font-size: var(--nb-text-sm);
  text-align: center;
  border-radius: var(--nb-radius-md);
  cursor: pointer;
  transition: transform var(--nb-duration) var(--nb-ease), background-color var(--nb-duration) var(--nb-ease), box-shadow var(--nb-duration) var(--nb-ease), color var(--nb-duration) var(--nb-ease);
  border: none;
  text-decoration: none;
  line-height: var(--nb-leading-tight);
}

.btn-primary {
  background-color: var(--nb-white);
  color: var(--nb-black);
}

.btn-primary:hover {
  background-color: var(--nb-gray-200);
  transform: translateY(-2px);
  box-shadow: var(--nb-shadow-glow);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-block {
  width: 100%;
}

/* === NAVIGATION === */
.main-navigation ul {
  display: flex;
  gap: var(--nb-space-6);
  margin: 0;
}

.main-navigation a {
  color: var(--nb-text-secondary);
  font-size: var(--nb-text-sm);
  font-weight: var(--nb-weight-medium);
}

.main-navigation a:hover {
  color: var(--nb-text-primary);
}

/* === POST CARDS === */
.nebulapress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--nb-space-8) var(--nb-space-6);
  margin-top: var(--nb-space-8);
  margin-bottom: var(--nb-space-12);
}

.nb-post-card {
  display: flex;
  flex-direction: column;
  background: var(--nb-bg-card);
  border-radius: var(--nb-radius-lg);
  overflow: hidden;
  border: 1px solid var(--nb-border-color);
  transition: transform var(--nb-duration) var(--nb-ease), box-shadow var(--nb-duration) var(--nb-ease);
}

.nb-post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
  border-color: var(--nb-border-subtle);
}

.card-image-wrapper {
  aspect-ratio: 3/2;
  overflow: hidden;
  position: relative;
  background: var(--nb-bg-secondary);
}

.card-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--nb-duration-slow) var(--nb-ease);
}

.nb-post-card:hover .card-image-wrapper img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--nb-space-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-categories {
  margin-bottom: var(--nb-space-2);
}

.card-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  color: var(--nb-text-secondary);
  font-size: 10px;
  padding: var(--nb-space-1) var(--nb-space-2);
  border-radius: var(--nb-radius-sm);
  font-weight: var(--nb-weight-semibold);
  letter-spacing: var(--nb-tracking-wide);
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
  font-size: var(--nb-text-lg);
  line-height: var(--nb-leading-tight);
  margin-bottom: var(--nb-space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-excerpt {
  color: var(--nb-text-tertiary);
  font-size: var(--nb-text-sm);
  line-height: var(--nb-leading-relaxed);
  margin-bottom: var(--nb-space-4);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--nb-border-color);
  padding-top: var(--nb-space-4);
  font-size: var(--nb-text-xs);
  color: var(--nb-text-muted);
}

.meta-author {
  display: flex;
  align-items: center;
  gap: var(--nb-space-2);
}

.meta-author img {
  border-radius: var(--nb-radius-full);
}

/* === SINGLE POST === */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nb-space-8);
  margin-top: var(--nb-space-10);
  margin-bottom: var(--nb-space-16);
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 80px minmax(0, var(--nb-content-width)) 300px;
    justify-content: center;
  }
}

.post-header {
  text-align: center;
  margin-top: var(--nb-space-12);
  margin-bottom: var(--nb-space-8);
  max-width: 800px;
}

.breadcrumb-wrapper {
  font-size: var(--nb-text-xs);
  color: var(--nb-text-tertiary);
  margin-bottom: var(--nb-space-6);
  text-transform: uppercase;
  letter-spacing: var(--nb-tracking-wide);
}

.breadcrumb-wrapper a {
  color: var(--nb-text-secondary);
}

.entry-subtitle {
  color: var(--nb-text-secondary);
  font-size: var(--nb-text-xl);
  font-weight: var(--nb-weight-normal);
  padding-bottom: var(--nb-space-6);
}

.post-meta-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--nb-space-6);
  color: var(--nb-text-tertiary);
  font-size: var(--nb-text-sm);
}

.author-details {
  text-align: left;
  display: flex;
  flex-direction: column;
}

.author-name {
  color: var(--nb-text-primary);
  font-weight: var(--nb-weight-semibold);
}

.post-hero-image {
  margin-bottom: var(--nb-space-10);
}

.post-hero-image img {
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 480px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--nb-radius-lg);
}

.post-content-area {
  font-size: var(--nb-text-lg);
  line-height: var(--nb-leading-relaxed);
  color: var(--nb-text-secondary);
}

.post-content-area p {
  margin-bottom: var(--nb-space-6);
}

.post-content-area h2 {
  margin-top: var(--nb-space-12);
  color: var(--nb-text-primary);
}

.post-content-area img {
  border-radius: var(--nb-radius-md);
  margin: var(--nb-space-8) 0;
}

/* === READING PROGRESS === */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: var(--nb-z-progress);
}

.reading-progress-bar {
  height: 100%;
  background: var(--nb-white);
  width: 100%;
  transform-origin: 0% 50%;
  transform: scaleX(0);
}

/* === APP PROMO BOTTOM SHEET === */
.app-promo-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: var(--nb-z-modal);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

body.has-floating-share .app-promo-sheet {
  bottom: 52px;
}

.app-promo-sheet.is-active {
  pointer-events: auto;
}

.app-promo-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--nb-duration) var(--nb-ease);
}

.app-promo-sheet.is-active .app-promo-backdrop {
  opacity: 1;
}

.app-promo-content {
  background: var(--nb-bg-secondary);
  width: 100%;
  max-width: 600px;
  border-radius: var(--nb-radius-xl) var(--nb-radius-xl) 0 0;
  border: 1px solid var(--nb-border-color);
  border-bottom: none;
  padding: var(--nb-space-6);
  position: relative;
  transform: translateY(100%);
  transition: transform var(--nb-duration-slow) var(--nb-ease-spring);
}

.app-promo-sheet.is-active .app-promo-content {
  transform: translateY(0);
}

.app-promo-drag-handle {
  width: 40px;
  height: 4px;
  background: var(--nb-border-strong);
  border-radius: var(--nb-radius-full);
  margin: 0 auto var(--nb-space-6);
  cursor: pointer;
}

.app-promo-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--nb-space-4);
  color: var(--nb-white);
}

.app-promo-text {
  text-align: center;
  margin-bottom: var(--nb-space-6);
}

.app-promo-text h3 {
  margin-bottom: var(--nb-space-2);
}

.app-promo-dismiss {
  background: transparent;
  border: none;
  color: var(--nb-text-muted);
  width: 100%;
  padding: var(--nb-space-3);
  margin-top: var(--nb-space-2);
  cursor: pointer;
  font-size: var(--nb-text-sm);
}

.app-promo-dismiss:hover {
  text-decoration: underline;
  color: var(--nb-text-secondary);
}

/* === ADS CONTAINERS === */
.ad-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--nb-space-8) 0;
  clear: both;
}

.ad-wrapper {
  background: rgba(255,255,255,0.02);
  min-height: 250px; /* Preserve space for CLS */
  width: 100%;
  display: block; /* MUST be block for Adsense responsive width calculation */
  text-align: center;
  overflow: hidden;
}

.ad-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--nb-text-muted);
  margin-bottom: var(--nb-space-2);
}

.ad-placeholder {
  color: var(--nb-text-muted);
  font-family: var(--nb-font-mono);
  font-size: var(--nb-text-sm);
}

/* === CUSTOM CONTENT BANNERS (Shortcode: [nb_banner]) === */
.nb-custom-banner {
    margin: var(--nb-space-12) 0;
    border-radius: var(--nb-radius-xl);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform var(--nb-duration), box-shadow var(--nb-duration);
}
.nb-custom-banner:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.nb-banner-image {
    width: 100%;
    height: 200px;
}
.nb-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.nb-banner-content {
    padding: var(--nb-space-8);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    flex: 1;
}
.nb-banner-title {
    font-size: var(--nb-text-2xl);
    color: var(--nb-white);
    margin-bottom: var(--nb-space-3);
    line-height: var(--nb-leading-tight);
}
.nb-banner-desc {
    color: var(--nb-text-secondary);
    font-size: var(--nb-text-md);
    margin-bottom: var(--nb-space-6) !important;
    line-height: var(--nb-leading-relaxed);
}
.nb-banner-cta {
    align-self: flex-start;
}

@media (min-width: 768px) {
    .nb-custom-banner {
        flex-direction: row;
        align-items: stretch;
    }
    .nb-banner-image {
        width: 40%;
        height: auto;
        min-height: 250px;
    }
    .nb-banner-content {
        width: 60%;
        padding: var(--nb-space-10);
    }
}

/* Style 1: Default (Image Left, Content Right) */
.nb-banner-style-1 {
    /* Uses default styles above */
}

/* Style 2: Image Right */
.nb-banner-style-2 {
    flex-direction: column-reverse;
}
@media (min-width: 768px) {
    .nb-banner-style-2 {
        flex-direction: row-reverse;
    }
}

/* Style 3: Centered text with Image as Background Overlay */
.nb-banner-style-3 {
    justify-content: center;
    align-items: center;
    text-align: center;
}
.nb-banner-style-3 .nb-banner-image {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    z-index: 1;
    opacity: 0.3;
}
.nb-banner-style-3 .nb-banner-content {
    width: 100%;
    position: relative;
    z-index: 2;
    align-items: center;
}
.nb-banner-style-3 .nb-banner-cta {
    align-self: center;
}

/* Style 4: Minimal Gradient Box (No image required) */
.nb-banner-style-4 {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(255,255,255,0.1);
}
.nb-banner-style-4 .nb-banner-image {
    display: none;
}
.nb-banner-style-4 .nb-banner-content {
    width: 100%;
    text-align: center;
    align-items: center;
}
.nb-banner-style-4 .nb-banner-title {
    background: linear-gradient(90deg, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nb-banner-style-4 .nb-banner-cta {
    align-self: center;
}

/* Style 5: Accent Border Left */
.nb-banner-style-5 {
    border-left: 4px solid var(--nb-white);
    background: rgba(0,0,0,0.3);
}
.nb-banner-style-5 .nb-banner-image {
    display: none;
}
.nb-banner-style-5 .nb-banner-content {
    width: 100%;
}