/* ============================================================
   style.css — JMATHCODE CyberNexa Academy custom styles
   ============================================================ */

:root {
  --neon-green: #39FF14;
  --matrix-green: #00FF41;
  --dark-blue: #000080;
  --purple: #8A2BE2;
  --cyber-purple: #8A2BE2;
  --cyber-pink: #FF2A6D;
  --bg-black: #030405;
  --panel: #050705;
}

* { scrollbar-color: var(--neon-green) #000; scrollbar-width: thin; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--neon-green); border-radius: 8px; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Orbitron', sans-serif;
  color: var(--neon-green);
  background-color: var(--bg-black);
  overflow-x: hidden;
}

.font-body { font-family: 'Rajdhani', 'Orbitron', sans-serif; }

/* ---------- Neon text & glow ---------- */
.neon-text-shadow {
  text-shadow: 0 0 5px var(--neon-green), 0 0 10px var(--neon-green), 0 0 15px var(--dark-blue), 0 0 20px var(--dark-blue);
}
.neon-glow-hover:hover {
  box-shadow: 0 0 5px var(--neon-green), 0 0 10px var(--neon-green), 0 0 15px var(--dark-blue);
  transform: translateY(-2px);
}
.neon-button-glow { box-shadow: 0 0 5px var(--neon-green), 0 0 10px var(--neon-green); }
.neon-button-glow:hover { box-shadow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green), 0 0 30px var(--dark-blue); }

/* ---------- Cards ---------- */
.card-glow {
  border: 1px solid rgba(57, 255, 20, 0.35);
  background: linear-gradient(180deg, rgba(15, 22, 15, 0.65), rgba(0, 0, 0, 0.65));
  backdrop-filter: blur(6px);
  transition: all 0.3s ease-in-out;
}
.card-glow:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 15px rgba(57, 255, 20, 0.35), 0 0 25px rgba(0, 0, 128, 0.35);
  transform: translateY(-5px);
}

/* ---------- Glassmorphism post card ---------- */
.post-card-glass {
  background: rgba(10, 15, 10, 0.6);
  border: 1px solid rgba(57, 255, 20, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 1.25rem;
  transition: all 0.35s ease;
}
.post-card-glass:hover {
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 0 8px 32px rgba(57, 255, 20, 0.1);
}

/* ---------- Blinking cursor ---------- */
.blinking-cursor::after { content: '|'; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0; } }

.groq-response { white-space: pre-wrap; text-align: left; }

#matrix-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.45; }

/* ---------- Modals ---------- */
.modal {
  position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.85);
  display: flex; align-items: center; justify-content: center; z-index: 100;
  padding: 1rem;
}
.modal-content {
  background-color: var(--panel); border: 1px solid var(--neon-green);
  padding: 2rem; border-radius: 1rem; max-width: 640px; width: 100%;
  position: relative; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 0 40px rgba(57,255,20,0.15);
}
.close-btn { position: absolute; top: 1rem; right: 1.25rem; color: var(--neon-green); font-size: 1.5rem; cursor: pointer; }

.hidden { display: none; }
#lightbox.hidden { display: none; }

/* ---------- Auth tabs ---------- */
.auth-tab { transition: all 0.25s ease; }

/* ---------- Text gradient accent ---------- */
.text-gradient-cyber {
  background: linear-gradient(90deg, var(--neon-green), var(--cyber-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Skeleton pulse ---------- */
.skeleton { animation: pulse 1.5s ease-in-out infinite; background: rgba(57,255,20,0.08); border-radius: 0.5rem; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

input, textarea, select { color: #e6ffe6; }
input::placeholder, textarea::placeholder { color: #4a6b4a; }

/* ---------- Navbar links ---------- */
.nav-link, .mobile-nav-link { position: relative; }
.nav-link.active, .mobile-nav-link.active { color: var(--neon-green); background-color: rgba(57, 255, 20, 0.1); }

/* ---------- Buttons ---------- */
.btn-neon {
  background: var(--neon-green); color: #000; font-weight: 700;
  border-radius: 0.5rem; transition: all 0.25s ease;
}
.btn-neon:hover { opacity: 0.85; }
.btn-outline {
  border: 2px solid var(--neon-green); color: var(--neon-green);
  border-radius: 0.5rem; transition: all 0.25s ease;
}
.btn-outline:hover { background: var(--neon-green); color: #000; }

/* ---------- Online badge ---------- */
.online-dot { width: 8px; height: 8px; border-radius: 9999px; background: var(--neon-green); animation: ping 1.4s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(57,255,20,0.7); } 70% { box-shadow: 0 0 0 8px rgba(57,255,20,0); } 100% { box-shadow: 0 0 0 0 rgba(57,255,20,0); } }

/* ---------- Post composer ---------- */
.composer textarea { background: #000; border: 2px solid rgba(57,255,20,0.5); border-radius: 0.75rem; }
.composer textarea:focus { outline: none; border-color: var(--neon-green); box-shadow: 0 0 10px rgba(57,255,20,0.3); }

/* ---------- Blog content ---------- */
.blog-content { line-height: 1.9; color: #d1fae5; }
.blog-content h2 { font-size: 1.5rem; font-weight: 700; margin: 1.2rem 0 0.6rem; color: var(--purple); }
.blog-content p { margin-bottom: 1rem; }
.blog-content a { color: var(--neon-green); text-decoration: underline; }
.blog-content ul { list-style: disc; padding-left: 1.4rem; margin-bottom: 1rem; }
.blog-content code { background: #0b1f0b; padding: 0.1rem 0.35rem; border-radius: 0.25rem; color: #a7f3d0; }

/* ---------- Image lightbox ---------- */
#lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.92); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 1.5rem; }
#lightbox img { max-width: 95vw; max-height: 90vh; border-radius: 0.75rem; border: 1px solid var(--neon-green); }

.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(0,0,0,0.7); border: 1px solid rgba(57,255,20,0.4);
  color: var(--neon-green); font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s ease; z-index: 201;
  user-select: none;
}
.lightbox-nav:hover { background: rgba(57,255,20,0.15); border-color: var(--neon-green); }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-counter {
  position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.7); border: 1px solid rgba(57,255,20,0.4);
  color: var(--neon-green); padding: 0.25rem 0.75rem; border-radius: 9999px;
  font-size: 0.75rem; font-weight: 700; z-index: 201;
}

.lightbox-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(0,0,0,0.7); border: 1px solid rgba(57,255,20,0.4);
  color: var(--neon-green); font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s ease; z-index: 201;
}
.lightbox-close:hover { background: rgba(255,42,109,0.2); border-color: var(--cyber-pink); color: var(--cyber-pink); }

/* ---------- Admin dashboard ---------- */
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: linear-gradient(180deg, #04140a, #020402); border-right: 1px solid rgba(57,255,20,0.25); padding: 1.25rem; }
.admin-nav-btn { display: flex; align-items: center; gap: 0.6rem; width: 100%; text-align: left; padding: 0.7rem 0.9rem; border-radius: 0.6rem; color: #b9f6c8; transition: all 0.2s ease; }
.admin-nav-btn:hover { background: rgba(57,255,20,0.12); }
.admin-nav-btn.active { background: var(--neon-green); color: #000; font-weight: 700; }
.stat-card { border: 1px solid rgba(57,255,20,0.3); border-radius: 1rem; padding: 1.25rem; background: linear-gradient(180deg, rgba(15,22,15,0.6), rgba(0,0,0,0.6)); }

@media (max-width: 768px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { display: flex; overflow-x: auto; gap: 0.5rem; border-right: none; border-bottom: 1px solid rgba(57,255,20,0.25); }
  .admin-nav-btn { width: auto; white-space: nowrap; }
}

/* ---------- Table ---------- */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 0.6rem 0.75rem; border-bottom: 1px solid rgba(57,255,20,0.15); text-align: left; }
.tbl th { color: var(--neon-green); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- Toast ---------- */
#toast-wrap { position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 300; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { background: #04140a; border: 1px solid var(--neon-green); color: #d1fae5; padding: 0.75rem 1rem; border-radius: 0.6rem; box-shadow: 0 0 20px rgba(57,255,20,0.2); animation: slideIn 0.25s ease; }
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

@keyframes fadeIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes cardFadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-in { animation: cardFadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card-glow, .neon-glow-hover { transition: none; }
  #matrix-canvas { display: none; }
}

/* ============================================================
   NEW: Media Feed Enhancements
   ============================================================ */

/* ---------- Image Carousel ---------- */
.img-carousel {
  position: relative;
  width: 100%;
  border-radius: 0.75rem;
  overflow: hidden;
  background: #000;
  user-select: none;
}
.img-carousel-track {
  display: flex;
  transition: transform 0.35s ease;
}
.img-carousel-slide {
  min-width: 100%;
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.img-carousel-slide img:hover {
  transform: scale(1.02);
}
.carousel-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,0.65); border: 1px solid rgba(57,255,20,0.35);
  color: var(--neon-green); font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s ease; z-index: 5;
}
.carousel-arrow:hover { background: rgba(57,255,20,0.15); border-color: var(--neon-green); }
.carousel-arrow-left { left: 0.5rem; }
.carousel-arrow-right { right: 0.5rem; }
.carousel-dots {
  display: flex; gap: 6px; justify-content: center; padding: 8px 0;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(57,255,20,0.25); cursor: pointer;
  transition: all 0.25s ease;
}
.carousel-dot.active {
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(57,255,20,0.6);
}

/* ---------- Drag & Drop Zone ---------- */
.drop-zone {
  border: 2px dashed rgba(57,255,20,0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(0,0,0,0.3);
}
.drop-zone.drag-over {
  border-color: var(--neon-green);
  background: rgba(57,255,20,0.05);
  box-shadow: inset 0 0 30px rgba(57,255,20,0.08);
}
.drop-zone:hover {
  border-color: rgba(57,255,20,0.6);
}

/* ---------- Image Preview Thumbnails ---------- */
.img-preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.img-preview-item {
  position: relative;
  width: 80px; height: 80px;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid rgba(57,255,20,0.3);
  cursor: grab;
  transition: all 0.25s ease;
}
.img-preview-item:hover { border-color: var(--neon-green); }
.img-preview-item.dragging { opacity: 0.4; transform: scale(0.9); }
.img-preview-item img {
  width: 100%; height: 100%; object-fit: cover;
}
.img-preview-remove {
  position: absolute; top: 2px; right: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0,0,0,0.8); border: 1px solid rgba(255,42,109,0.5);
  color: var(--cyber-pink); font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.2s ease;
}
.img-preview-remove:hover { background: var(--cyber-pink); color: #fff; }
.img-preview-progress {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: rgba(0,0,0,0.5);
}
.img-preview-progress-bar {
  height: 100%; background: var(--neon-green);
  transition: width 0.3s ease;
}

/* ---------- Like Animation ---------- */
.like-btn-pop { animation: likePop 0.4s ease; }
@keyframes likePop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.35); }
  60%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}
.like-count-animate { animation: likeCountBounce 0.35s ease; }
@keyframes likeCountBounce {
  0%   { transform: translateY(0); opacity: 1; }
  50%  { transform: translateY(-6px); opacity: 0.7; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ---------- Share Dropdown ---------- */
.share-dropdown {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: rgba(10, 15, 10, 0.95);
  border: 1px solid rgba(57,255,20,0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0.75rem;
  padding: 6px;
  min-width: 200px;
  z-index: 50;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  animation: shareFadeIn 0.2s ease;
}
@keyframes shareFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.share-dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 0.5rem;
  cursor: pointer; transition: all 0.2s ease;
  color: #d1fae5; font-size: 0.8rem; white-space: nowrap;
  border: none; background: none; width: 100%; text-align: left;
}
.share-dropdown-item:hover { background: rgba(57,255,20,0.1); color: var(--neon-green); }
.share-dropdown-item i { width: 18px; text-align: center; font-size: 0.85rem; }

/* ---------- Nested Comments ---------- */
.comment-nested { padding-left: 2rem; border-left: 2px solid rgba(57,255,20,0.15); margin-left: 1.5rem; }
.comment-edited-label {
  font-size: 0.65rem; color: #888; font-style: italic; margin-left: 6px;
}
.comment-actions { display: flex; gap: 8px; margin-top: 4px; }
.comment-action-btn {
  font-size: 0.65rem; color: #666; cursor: pointer;
  transition: color 0.2s ease; background: none; border: none; padding: 0;
}
.comment-action-btn:hover { color: var(--neon-green); }
.comment-action-btn.delete-btn:hover { color: var(--cyber-pink); }

/* ---------- Upload Progress ---------- */
.upload-progress-bar {
  height: 3px; background: rgba(57,255,20,0.1);
  border-radius: 9999px; overflow: hidden;
}
.upload-progress-fill {
  height: 100%; background: var(--neon-green);
  border-radius: 9999px; transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(57,255,20,0.4);
}

/* ---------- Post Skeleton ---------- */
.post-skeleton {
  background: rgba(57,255,20,0.04);
  border: 1px solid rgba(57,255,20,0.1);
  border-radius: 1.25rem;
  padding: 1.5rem;
  animation: postPulse 1.5s ease-in-out infinite;
}
@keyframes postPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.post-skeleton-line {
  height: 12px; border-radius: 6px;
  background: rgba(57,255,20,0.08);
  margin-bottom: 10px;
}
.post-skeleton-line.w-3-4 { width: 75%; }
.post-skeleton-line.w-1-2 { width: 50%; }
.post-skeleton-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(57,255,20,0.08); flex-shrink: 0;
}
.post-skeleton-img {
  width: 100%; height: 200px; border-radius: 0.75rem;
  background: rgba(57,255,20,0.06); margin: 12px 0;
}

/* ---------- Infinite scroll trigger ---------- */
.feed-loader { text-align: center; padding: 1.5rem; color: #666; }

/* ---------- Compress modal / progress ---------- */
.compress-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 250; flex-direction: column; gap: 1rem;
}
.compress-text { color: var(--neon-green); font-size: 0.9rem; }

/* ---------- Relative time ---------- */
.relative-time { color: #666; font-size: 0.75rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .img-preview-item { width: 64px; height: 64px; }
  .carousel-arrow { width: 32px; height: 32px; font-size: 0.8rem; }
  .lightbox-nav { width: 40px; height: 40px; }
  .share-dropdown { right: -8px; min-width: 180px; }
}

/* ---------- Rate limit indicator ---------- */
.rate-limit-warning {
  color: var(--cyber-pink); font-size: 0.75rem;
  animation: blink 1s infinite;
}