/**
 * PFWS 1.4.1.3.25 – PF_overlay.css - OVERLAY FRAMEWORK
 * Pfad: /css/
 * PURPOSE: Leeres Grundgerüst für Module - keine visuellen Elemente!
 * UPDATE: Minimalistisches Framework ohne Loading-Animationen (08.10.2025)
 */

/* === OVERLAY FRAMEWORK === */
/* Body-Scroll stoppen wenn Overlay aktiv ist */
body.pf-overlay-open {
  overflow: hidden !important;
  position: fixed !important;
  width: 100% !important;
  height: 100% !important;
}

/* Haupt-Overlay-Container - Basis (Default Fallback) */
.pf-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 15, 0.78);
  backdrop-filter: blur(11px) saturate(102%) brightness(0.78) contrast(1.05);
  -webkit-backdrop-filter: blur(11px) saturate(102%) brightness(0.78) contrast(1.05);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Default Film Grain (wird von Themes überschrieben) */
.pf-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(255, 255, 255, 0.012) 1px, rgba(255, 255, 255, 0.012) 2px),
    repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(255, 255, 255, 0.012) 1px, rgba(255, 255, 255, 0.012) 2px),
    repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(255, 255, 255, 0.008) 3px, rgba(255, 255, 255, 0.008) 4px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

/* Overlay aktiv */
.pf-overlay.active, .pf-overlay.visible {
  opacity: 1;
  visibility: visible;
}

/* Overlay versteckt */
.pf-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Overlay-Inhaltsbereich - LEERER Container für Module */
.pf-overlay-inner {
  max-width: 90%;
  height: 100vh; /* VOLLE Höhe - kein Abstand unten */
  max-height: 100vh; /* VOLLE Höhe */
  overflow: hidden; /* Module kontrollieren ihr eigenes Scrolling */
  position: relative;
  display: flex;
  flex-direction: column;
  z-index: 2; /* Über den Bubbles */
  /* Keine Backgrounds, Borders, Shadows - Module definieren ihre eigene Optik! */
  /* Standardmäßig unsichtbar - wird per JS eingeblendet wenn Content geladen */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Overlay-Inner sichtbar wenn Content geladen */
.pf-overlay-inner.loaded {
  opacity: 1;
  visibility: visible;
}

/* Close-Button - minimales Styling */
.pf-overlay-close-btn {
  background: #4a6fa5;
  color: #fff;
  border: none;
  padding: 2px 2px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.2s ease;
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 28px;
  text-align: center;
}

.pf-overlay-close-btn:hover {
  background: #3a5a95;
}

/* Error/Denied-Seiten definieren ihr eigenes Styling */

/* Overlay-Content-Bereich - Container für Modul-Inhalte */
.pf-overlay-body, .pf-overlay-content {
  flex-grow: 1;
  /* Keine Paddings, Backgrounds - Module definieren ihr Layout! */
}

/* Overlay beim ersten Laden ausblenden */
.pf-overlay.pf-overlay-initial {
  opacity: 0 !important;
  pointer-events: none !important;
  width: 1px !important;
  height: 1px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: 1px !important;
  max-height: 1px !important;
  transition: opacity 0.2s;
}

/* Close Button active state */
.pf-overlay-close-btn:active { 
  opacity: 0.9; 
}

/* === LADE-INDIKATOR STYLES === */
/* Loading Overlay - fixierter Top-Bar beim Laden */
.pf-overlay-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #1a2a6c, #2c3e50);
  color: white;
  padding: 20px;
  z-index: 3000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-bottom: 3px solid #3498db;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Global Top Loader (immer ganz oben) */
#pf-global-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 4000; /* über Overlay (1000) und regulärem Loader (3000) */
  /* klickbar für Reload/Close */
}

.pf-overlay-loading-header {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.pf-overlay-loading-icon {
  margin-right: 15px;
}

.pf-overlay-loading-icon .pf-overlay-reload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.pf-overlay-loading-icon .pf-overlay-reload:hover {
  transform: rotate(180deg);
}

/* Loading Spinner Animation */
.pf-overlay-loading-spinner {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #3498db;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Loading Progress Bar */
.pf-overlay-loading-progress {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 10px;
}

.pf-overlay-loading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #3498db, #2ecc71);
  border-radius: 2px;
  animation: progressIndeterminate 1.5s ease-in-out infinite;
  width: 30%;
}

@keyframes progressIndeterminate {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(300%);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* Loading Text Animation */
.pf-overlay-loading-text {
  font-size: 14px;
  opacity: 0.9;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.9;
  }
  50% {
    opacity: 0.5;
  }
}

/* Loading Dots Animation */
.pf-overlay-loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .pf-overlay-inner {
    max-width: 95%;
    max-height: 95vh;
  }
}