:root {
  --bg: #050505;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --accent: #6e44ff;
  --accent-light: #9d7fff;
  --accent-glow: rgba(110, 68, 255, 0.15);
  --text: #ffffff;
  --text-dim: #9090a0;
  --text-muted: #606070;
  --green: #00d9a3;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(110, 68, 255, 0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --glass: rgba(20, 11, 28, 0.7);
  --dot-color: rgba(255, 255, 255, 0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Dot grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 0;
  pointer-events: none;
}

/* Purple glow at top */
body::after {
  content: '';
  position: fixed;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* HEADER */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 15px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
}
.logo-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 8px; font-size: 18px;
  box-shadow: 0 0 20px rgba(110, 68, 255, 0.3);
}
.logo b { color: var(--accent-light); }
.nav { display: flex; gap: 4px; }
.nav-link {
  color: var(--text-dim); text-decoration: none;
  padding: 8px 16px; border-radius: 8px;
  font-size: 14px; font-weight: 500;
  transition: all 0.2s;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); background: rgba(110, 68, 255, 0.1); }
.admin-btn {
  background: var(--bg-card); border: 1px solid var(--border);
  width: 38px; height: 38px; border-radius: 10px;
  font-size: 16px; cursor: pointer; color: var(--text-dim);
  transition: all 0.3s;
}
.admin-btn:hover { 
  background: var(--accent); color: white; border-color: var(--accent);
  transform: rotate(60deg);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* HERO */
.hero {
  max-width: 900px; margin: 0 auto;
  padding: 100px 24px 48px;
  text-align: center;
  position: relative; z-index: 1;
}
.hero h1 {
  font-size: 52px; font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.1;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  color: var(--text-dim); font-size: 18px; 
  max-width: 600px; margin: 0 auto 40px;
}
.hero-stats {
  display: flex; justify-content: center; gap: 56px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num { 
  display: block; font-size: 36px; font-weight: 700; 
  color: var(--text);
}
.stat-label { 
  font-size: 12px; color: var(--text-muted); 
  text-transform: uppercase; letter-spacing: 1.5px; 
}

/* SECTION TITLE */
.section-title {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
  margin-bottom: 32px;
  position: relative; z-index: 1;
}
.section-title h2 {
  font-size: 28px; font-weight: 700;
  margin-bottom: 8px;
}
.section-title p { color: var(--text-dim); font-size: 15px; }

/* MAIN */
.main { 
  max-width: 1200px; margin: 0 auto; 
  padding: 0 24px 60px;
  position: relative; z-index: 1;
}

/* PROJECTS GRID */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* PROJECT CARD */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex; flex-direction: column;
}
.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(110, 68, 255, 0.12);
}
.project-card.hidden { display: none; }

.card-banner {
  height: 160px;
  display: flex; align-items: center; justify-content: center;
  font-size: 56px;
  background: linear-gradient(135deg, rgba(110, 68, 255, 0.15), rgba(0, 217, 163, 0.08));
  position: relative;
  border-bottom: 1px solid var(--border);
}
.card-banner img { width: 100%; height: 100%; object-fit: cover; }
.card-badge {
  position: absolute; top: 12px; right: 12px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 4px 10px; border-radius: 6px;
  font-size: 11px; font-weight: 600;
  color: var(--green);
  border: 1px solid var(--border);
}

.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.card-desc { 
  font-size: 13px; color: var(--text-dim); 
  margin-bottom: 16px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
}
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto;
}
.card-version {
  font-size: 12px; color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--border);
}
.card-download {
  background: var(--accent); color: white;
  border: none; padding: 8px 18px;
  border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.card-download:hover { 
  background: var(--accent-light); 
  box-shadow: 0 0 16px var(--accent-glow);
}
.card-download:disabled { 
  opacity: 0.4; cursor: default; 
  background: var(--bg-card-hover); 
}

/* LOADING */
.loading-state {
  grid-column: 1 / -1;
  text-align: center; padding: 80px 0;
  color: var(--text-dim);
}
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* EMPTY STATE */
.empty-state {
  grid-column: 1 / -1;
  text-align: center; padding: 80px 0;
  color: var(--text-dim);
}
.empty-state .emoji { font-size: 48px; margin-bottom: 16px; }

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  display: none; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 580px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  padding: 36px;
  position: relative;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn { 
  from { opacity: 0; transform: scale(0.95) translateY(20px); } 
  to { opacity: 1; transform: scale(1) translateY(0); } 
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg-card-hover); border: 1px solid var(--border);
  width: 36px; height: 36px; border-radius: 10px;
  font-size: 16px; cursor: pointer; color: var(--text-dim);
  transition: all 0.2s;
}
.modal-close:hover { background: rgba(255,80,80,0.15); color: #ff5050; border-color: rgba(255,80,80,0.3); }

.modal-icon {
  width: 72px; height: 72px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  background: linear-gradient(135deg, rgba(110, 68, 255, 0.2), rgba(0, 217, 163, 0.1));
  margin: 0 auto 20px;
  border: 1px solid var(--border);
}
.modal-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; }
.modal h2 { text-align: center; margin-bottom: 6px; font-size: 24px; }
.modal-version { 
  text-align: center; color: var(--text-muted); 
  margin-bottom: 24px; font-size: 14px; 
}
.modal-desc { 
  color: var(--text-dim); margin-bottom: 24px; 
  line-height: 1.7; font-size: 15px;
}

.modal-shots {
  display: flex; gap: 10px; overflow-x: auto;
  padding-bottom: 10px; margin-bottom: 20px;
  scrollbar-width: thin;
}
.modal-shots img {
  height: 200px; border-radius: 10px;
  border: 1px solid var(--border);
}

.modal-actions { display: flex; gap: 12px; }
.btn-primary {
  background: var(--accent); color: white;
  border: none; padding: 14px 28px;
  border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 8px; justify-content: center;
  flex: 1; text-decoration: none;
}
.btn-primary:hover { 
  background: var(--accent-light);
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-primary:disabled { opacity: 0.4; }
.btn-secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
  padding: 14px 28px; border-radius: 10px;
  font-size: 15px; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 8px; justify-content: center;
  text-decoration: none;
}
.btn-secondary:hover { 
  background: var(--bg-card-hover); border-color: var(--border-hover);
}

.modal-meta {
  display: flex; gap: 16px; justify-content: center;
  margin-bottom: 20px; flex-wrap: wrap;
}
.meta-item { 
  display: flex; align-items: center; gap: 6px; 
  font-size: 13px; color: var(--text-muted); 
}

/* ADMIN PANEL */
.admin-panel {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.admin-panel > div:first-child {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 500px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  padding: 32px;
}
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.admin-header h2 { font-size: 20px; }
.close-btn {
  background: var(--bg-card-hover); border: 1px solid var(--border);
  width: 36px; height: 36px; border-radius: 10px;
  font-size: 16px; cursor: pointer; color: var(--text-dim);
}
.close-btn:hover { background: rgba(255,80,80,0.15); color: #ff5050; }

.admin-login p { margin-bottom: 12px; color: var(--text-dim); }
.admin-login input {
  width: 100%; padding: 12px 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-size: 15px; margin-bottom: 12px;
  transition: border 0.2s;
}
.admin-login input:focus { outline: none; border-color: var(--accent); }
.admin-hint { color: #ff5050; font-size: 13px; margin-top: 8px; }

.admin-content { max-width: 500px; }
.admin-content h3 { 
  margin: 24px 0 12px; font-size: 15px; 
  color: var(--accent-light); font-weight: 600;
}
.admin-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { 
  font-size: 12px; color: var(--text-muted); 
  font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px;
}
.form-row input, .form-row textarea, .form-row select {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
  color: var(--text); font-size: 14px;
  font-family: inherit;
  transition: border 0.2s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--accent);
}
.form-row textarea { min-height: 70px; resize: vertical; }
.admin-divider { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

.admin-project-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 8px;
  font-size: 14px;
}
.admin-project-item button {
  background: rgba(255,80,80,0.1); color: #ff5050; 
  border: 1px solid rgba(255,80,80,0.2);
  padding: 6px 12px; border-radius: 6px;
  font-size: 12px; cursor: pointer;
  transition: all 0.2s;
}
.admin-project-item button:hover { background: rgba(255,80,80,0.2); }

/* FOOTER */
.footer {
  text-align: center; padding: 48px 24px;
  color: var(--text-muted); font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  position: relative; z-index: 1;
  background: var(--bg);
}
.footer-logo {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 12px;
  font-size: 14px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
}
.footer-logo .logo-icon { width: 28px; height: 28px; font-size: 14px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 60px 20px 32px; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 15px; }
  .hero-stats { gap: 28px; }
  .stat-num { font-size: 28px; }
  .nav { display: none; }
  .header-inner { padding: 12px 16px; }
  .logo { font-size: 12px; }
  .projects-grid { grid-template-columns: 1fr; }
  .modal { padding: 24px; }
  .modal-actions { flex-direction: column; }
  .section-title h2 { font-size: 22px; }
}

/* MULTI-ASSET DOWNLOAD */
.modal-assets {
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.btn-asset {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 18px;
  text-decoration: none; color: var(--text);
  transition: all 0.2s;
}
.btn-asset:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 0 16px var(--accent-glow);
}
.btn-asset span { font-size: 15px; font-weight: 500; }
.btn-asset small { font-size: 12px; color: var(--text-muted); }

/* MULTI-ASSET SECTION IN MODAL */
.modal-assets-section {
  margin-bottom: 20px;
}
.modal-assets-section h4 {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.modal-assets-section .modal-assets {
  flex: none;
}

/* SCROLL TO TOP ARROW */
.scroll-top-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 22px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease, visibility .25s ease;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top-btn:hover {
  box-shadow: 0 6px 22px var(--accent-glow);
  transform: translateY(-3px);
}

/* MODAL EXTRA LINKS */
.modal-extra-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* PROJECT + BOOK PAIR (game card, arrow, companion book tile) */
.project-pair {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.project-pair .project-card { flex: 0 1 300px; max-width: 320px; }
.pair-arrow {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  color: var(--accent-light);
  text-shadow: 0 0 12px var(--accent-glow);
}
.pair-arrow span { display: inline-block; animation: bookArrowPulse 1.4s ease-in-out infinite; }
@keyframes bookArrowPulse {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* BOOK CARD (companion tile linking straight to the PDF) */
.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  display: flex; flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
  flex: 0 1 300px; max-width: 320px;
}
.book-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(110, 68, 255, 0.12);
}
.book-banner { position: relative; background: linear-gradient(135deg, rgba(0, 217, 163, 0.12), rgba(110, 68, 255, 0.15)); }
.book-banner img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 640px) {
  .project-pair { flex-direction: column; }
  .pair-arrow { transform: rotate(90deg); }
}