Projektarbeit-MYP/backend/static/css/performance-optimized.css

/* Performance-optimized CSS for MYP Application - Fast Rendering Focus */

/* ===== CRITICAL GLASSMORPHISM FOR NAVBAR - PRESERVED ===== */
.glass-navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dark .glass-navbar {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== SIMPLIFIED GLASS EFFECTS - NO ANIMATIONS ===== */
.glass-base {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-subtle {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Dark mode variants */
.dark .glass-base {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark .glass-strong {
  background: rgba(30, 41, 59, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.dark .glass-subtle {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== SIMPLIFIED CARDS - NO SHADOWS OR TRANSITIONS ===== */
.glass-card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: 12px;
  padding: 1.5rem;
}

.dark .glass-card {
  background: rgba(30, 41, 59, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== BUTTONS - INSTANT FEEDBACK ===== */
.btn-primary {
  background-color: #1a1a1a;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
}

.btn-primary:hover {
  background-color: #333333;
}

.btn-secondary {
  background-color: #e5e7eb;
  color: #374151;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: #d1d5db;
}

/* ===== FORMS - SIMPLIFIED FOCUS STATES ===== */
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

/* ===== MODAL OVERLAYS - INSTANT APPEARANCE ===== */
.modal-backdrop {
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  inset: 0;
}

.modal-content {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dark .modal-content {
  background: #1f2937;
}

/* ===== TOOLTIPS - SIMPLIFIED ===== */
.tooltip {
  background: #1f2937;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
}

/* ===== LOADING STATES - MINIMAL ===== */
.spinner {
  border: 2px solid #f3f4f6;
  border-top-color: #3b82f6;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  animation: spin 0.8s linear infinite;
}

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

/* ===== PERFORMANCE UTILITIES ===== */
.will-change-auto { will-change: auto; }
.gpu-accelerated { transform: translateZ(0); }
.no-transitions * { transition: none !important; }
.no-animations * { animation: none !important; }

/* ===== REDUCED MOTION PREFERENCE ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== OPTIMIZED GRID LAYOUTS ===== */
.grid-optimized {
  display: grid;
  contain: layout;
}

/* ===== SIMPLIFIED BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

.badge-success {
  background-color: #10b981;
  color: white;
}

.badge-warning {
  background-color: #f59e0b;
  color: white;
}

.badge-error {
  background-color: #ef4444;
  color: white;
}

/* ===== OPTIMIZE PAINT AREAS ===== */
.contain-paint { contain: paint; }
.contain-layout { contain: layout; }
.contain-strict { contain: strict; }

/* ===== CRITICAL RENDERING PATH OPTIMIZATION ===== */
.above-fold {
  content-visibility: visible;
}

.below-fold {
  content-visibility: auto;
  contain-intrinsic-size: 0 500px;
}