/* ═══════════════════════════════════════════════════════════════
   BASE STYLES - Shared across all themes
   Reset, Typography Base, Layout, Animations Core
   ═══════════════════════════════════════════════════════════════ */

/* ─── Reset & Base ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  position: relative;
}

/* ─── Base Layout ─── */
#main-content {
  position: relative;
  z-index: 1;
}

/* ─── Section Base ─── */
.projects, .about, .contact {
  position: relative;
  z-index: 10;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* ─── Header Base ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: all 0.3s ease;
}

.nav {
  display: flex;
}

.nav a {
  text-decoration: none;
  transition: all 0.3s ease;
}

/* ─── Projects Grid Base ─── */
.projects-grid {
  display: grid;
}

.projects-grid-loading {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ─── Project Card Base ─── */
.project-card {
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.4s ease;
}

.project-media-container {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-image,
.project-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.5s ease;
}

/* ─── Carousel Base ─── */
.project-carousel {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide .project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}

.project-card:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn.prev { left: 8px; }
.carousel-btn.next { right: 8px; }

.carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  z-index: 10;
}

.carousel-dot {
  cursor: pointer;
  transition: all 0.3s ease;
}

/* ─── Tags Base ─── */
.tags {
  display: flex;
  flex-wrap: wrap;
}

.tag {
  transition: all 0.3s ease;
}

/* ─── Contact Base ─── */
.email-link {
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links {
  display: flex;
}

.social-links a {
  text-decoration: none;
  transition: all 0.3s ease;
}

/* ─── Footer Base ─── */
.footer {
  position: relative;
  z-index: 10;
  text-align: center;
}

/* ─── Focus States (Accessibility) ─── */
:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* ─── Hover States ─── */
a, button {
  cursor: pointer;
}

/* ─── Base Animations ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Loading State ─── */
body.loading * {
  animation-play-state: paused !important;
}

/* ─── Base Responsive ─── */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .projects-grid {
    grid-template-columns: 1fr !important;
  }

  .social-links {
    flex-direction: column;
  }
}

/* ─── Custom Scrollbar Base ─── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

/* ─── Theme-specific elements: hidden by default ─── */
.hero-ascii,
.hero-terminal,
.hero-stats,
.hero-blueprint-svg,
.contact-blueprint-svg,
.hero-annotation,
.section-number,
.section-prompt,
.section-divider,
.code-comment,
.email-prefix,
.cursor-blink,
.contact-prompt,
.footer-line,
.footer-exit,
.redline-note,
.stamp,
.coord-marker,
.footer-scale,
.cursor-coord,
/* 90s Retro elements - hidden by default */
.retro-marquee,
.hit-counter,
.under-construction,
.retro-badge,
.guestbook-cta,
.color-squares,
.best-viewed {
  display: none;
}

/* ─── About Card ─── */
.about-content {
  width: 100%;
  max-width: 100%;
}

.about-card,
.contact-card {
  position: relative;
  width: 100%;
}

.card-body {
  padding: 1rem;
}

/* ─── Section Header ─── */
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ─── Tech Grid ─── */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── Responsive social links fix ─── */
@media (max-width: 768px) {
  .social-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

/* ─── Blog Section Base ─── */
.blog {
  position: relative;
  z-index: 10;
}

.blog-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-grid-loading {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
}

.skeleton-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: rgba(128, 128, 128, 0.1);
  border-radius: 4px;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-card::before {
  content: '';
  flex-shrink: 0;
  width: 180px;
  height: 120px;
  background: rgba(128, 128, 128, 0.2);
  border-radius: 4px;
}

.skeleton-card::after {
  content: '';
  flex: 1;
  height: 80px;
  background: rgba(128, 128, 128, 0.15);
  border-radius: 4px;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.blog-card {
  display: flex;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  overflow: hidden;
}

.blog-card-image {
  flex-shrink: 0;
  width: 200px;
  height: 150px;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.5rem;
  min-width: 0;
}

.blog-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  opacity: 0.8;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  opacity: 0.6;
}

.blog-footer {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.no-articles {
  text-align: center;
  padding: 2rem;
  opacity: 0.6;
}

/* Blog Responsive */
@media (max-width: 768px) {
  .blog-card {
    flex-direction: column;
  }

  .blog-card-image {
    width: 100%;
    height: 200px;
  }

  .blog-card-excerpt {
    white-space: normal;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
  }
}

/* ─── Global Visitor Counter ─── */
.visitor-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  margin: 1rem auto;
  font-family: inherit;
  font-size: 0.9rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.visitor-counter:hover {
  background: rgba(255, 255, 255, 0.08);
}

.visitor-icon {
  font-size: 1.1rem;
}

.visitor-label {
  opacity: 0.7;
}

.visitor-count {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  min-width: 4ch;
  text-align: center;
}

.visitor-count.loading {
  animation: pulse 1.5s infinite;
}