/* ==========================================================
   LAYOUT & STRUCTURE
   ========================================================== */

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  min-height: 100vh;
}

/* Vignette: CRT-Kantenabdunkelung */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 90% at 50% 50%,
    transparent 55%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
  z-index: 9998;
}

/* Scanline effect overlay — statisch, kein background-position-Animation (CPU-Killer) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 3px
  );
  pointer-events: none;
  z-index: var(--z-scanlines);
  opacity: 0.7;
}

/* Page visibility system */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* Skip to content link (accessibility) */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-nexus);
  color: #000;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 2px;
  z-index: var(--z-modal);
  font-size: 0.8rem;
  font-weight: 700;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 10px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 65, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 255, 65, 0.30);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 65, 0.15) var(--color-bg);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: var(--z-loading);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  opacity: 1;
  pointer-events: all;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* Hide overlay when loaded (class added by JS) */
.loading-overlay.loaded {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-line);
  border-top-color: var(--color-nexus);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  text-align: center;
}

.loading-line {
  margin-bottom: 8px;
  opacity: 0;
  animation: fadeInLine 0.4s ease forwards;
}

.loading-line:nth-child(1) { animation-delay: 0s; }
.loading-line:nth-child(2) { animation-delay: 0.3s; }
.loading-line:nth-child(3) { animation-delay: 0.6s; }

@keyframes fadeInLine {
  to { opacity: 1; }
}

/* Cookie/Analytics Consent Banner */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-terminal);
  border-top: 1px solid var(--color-nexus);
  padding: 16px 20px;
  z-index: 10002;
  animation: slideUp 0.3s ease;
}

.cookie-banner.is-visible {
  display: flex;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-banner-content {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  min-width: 250px;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.cookie-banner-text strong {
  display: block;
  color: var(--color-nexus);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.cookie-banner-text p {
  color: var(--color-text);
  margin: 0;
}

.cookie-banner-text a {
  color: var(--color-nexus);
  text-decoration: underline;
}

.cookie-btn {
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cookie-btn-primary {
  background: var(--color-nexus);
  color: #000;
}

.cookie-btn-primary:hover {
  box-shadow: 0 0 16px rgba(0,255,65,0.4);
}

@media (max-width: 600px) {
  .cookie-banner-content {
    flex-direction: column;
    gap: 12px;
  }
  
  .cookie-btn {
    width: 100%;
  }
}

/* Error State */
.error-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-dim);
}

.error-icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.3;
}

.error-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-danger);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.error-message {
  font-size: 0.8rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-btn {
  background: var(--color-danger);
  color: #fff;
  border: none;
  padding: 10px 24px;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity var(--transition-base);
}

.error-btn:hover {
  opacity: 0.8;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-dim);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.empty-message {
  font-size: 0.8rem;
  line-height: 1.7;
}

/* Continue Reading Button */
.continue-reading {
  padding: 12px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
  background: rgba(0,255,65,0.02);
}

.continue-btn {
  background: none;
  border: 1px solid var(--color-nexus);
  color: var(--color-nexus);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 20px;
  cursor: pointer;
  border-radius: 2px;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.continue-btn:hover {
  background: var(--color-nexus);
  color: #000;
  box-shadow: 0 0 16px rgba(0,255,65,0.3);
}

.continue-icon {
  font-size: 0.9rem;
}