/* GATE Focus - Pre-Flutter Loading Styles */
/* These styles are only active before Flutter takes over rendering */

:root {
  --primary: #7C4DFF;
  --primary-light: #B388FF;
  --secondary: #448AFF;
  --bg-dark: #0D0E1A;
  --bg-surface: #1A1B2E;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.6);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
}

#loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, var(--bg-surface) 0%, var(--bg-dark) 70%);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  animation: fadeIn 0.3s ease-in;
}

.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 40px;
}

.loader-icon {
  width: 80px;
  height: 80px;
  animation: pulse 2s ease-in-out infinite;
}

.loader-title {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.loader-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes loading {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(150%); }
  100% { transform: translateX(400%); }
}

/* Hide loading screen once Flutter is ready */
.flutter-initialized #loading-screen {
  animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; visibility: hidden; }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .loader-icon,
  .loader-bar-fill {
    animation: none;
  }
  .loader-icon svg path {
    animation: none;
  }
}