.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary, linear-gradient(135deg, #0a0a0a 0%, #0f1f0f 50%, #0a0a0a 100%));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow: hidden;
}

/* Light Theme overrides */
html[data-theme="light"] .loading-screen {
  background: linear-gradient(135deg, #ffffff 0%, #f0fff0 50%, #ffffff 100%) !important;
}
html[data-theme="light"] .letter {
  color: #0b130a !important; /* Dark text for contrast */
}
html[data-theme="light"] .loading-status {
  color: #335533 !important; /* Darker green text */
}
html[data-theme="light"] .dot {
  background: #00b300 !important; /* Rich green dots */
}
html[data-theme="light"] .loading-bar {
  background: rgba(0, 179, 0, 0.1) !important;
}
html[data-theme="light"] .loading-progress {
  background: #00b300 !important;
  box-shadow: 0 0 12px rgba(0, 179, 0, 0.35) !important;
}
html[data-theme="light"] .wave {
  border-color: rgba(0, 179, 0, 0.12) !important;
}
html[data-theme="light"] .particle {
  background: #00b300 !important;
}
html[data-theme="light"] .loading-screen::before {
  background: radial-gradient(circle at 50% 50%, rgba(0, 179, 0, 0.08) 0%, transparent 70%) !important;
}

.loading-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 0, 0.1) 0%, transparent 70%);
  animation: backgroundPulse 3s ease-in-out infinite;
}

/* Animated Background Waves */
.wave-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.wave {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  margin: -100px 0 0 -100px;
  border-radius: 50%;
  border: 2px solid rgba(0, 255, 0, 0.1);
  animation: waveExpand 3s ease-out infinite;
}

.wave1 {
  animation-delay: 0s;
}

.wave2 {
  animation-delay: 1s;
  border-color: rgba(0, 255, 136, 0.08);
}

.wave3 {
  animation-delay: 2s;
  border-color: rgba(0, 255, 0, 0.05);
}

.loading-screen.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.welcome-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 4px;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  margin-bottom: 1rem;
  overflow: hidden;
  border-right: 3px solid #00ff88;
  white-space: nowrap;
  margin: 0 auto 1rem;
  width: 0;
  animation: 
    typing 2s steps(25, end) forwards,
    blink-caret .75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: #00ff88; }
}

.uiverse-svg-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}

.loading-percentage {
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #00ff88;
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
  margin-top: 1rem;
}

.loading-status {
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: #a89cc8;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

.loading-bar {
  width: 300px;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.3);
}

.loading-progress {
  height: 100%;
  background: linear-gradient(90deg, #00ff88, #00b300);
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
  transition: width 0.1s ease-out;
}

/* Loading Particles */
.loading-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #00ff88;
  border-radius: 50%;
  opacity: 0.6;
}

.particle:nth-child(1) {
  top: 20%;
  left: 10%;
  animation: floatParticle 3s ease-in-out infinite, particleGlow 2s ease-in-out infinite alternate;
  animation-delay: 0s;
}

.particle:nth-child(2) {
  top: 60%;
  left: 80%;
  animation: floatParticle 4s ease-in-out infinite, particleGlow 2s ease-in-out infinite alternate;
  animation-delay: 0.5s;
}

.particle:nth-child(3) {
  top: 80%;
  left: 20%;
  animation: floatParticle 3.5s ease-in-out infinite, particleGlow 2s ease-in-out infinite alternate;
  animation-delay: 1s;
}

.particle:nth-child(4) {
  top: 30%;
  left: 70%;
  animation: floatParticle 2.8s ease-in-out infinite, particleGlow 2s ease-in-out infinite alternate;
  animation-delay: 1.5s;
}

.particle:nth-child(5) {
  top: 70%;
  left: 50%;
  animation: floatParticle 3.2s ease-in-out infinite, particleGlow 2s ease-in-out infinite alternate;
  animation-delay: 2s;
}

/* Keyframes */
@keyframes loadingProgress {
  0% { width: 0%; opacity: 0.8; }
  100% { width: 100%; opacity: 1; }
}

@keyframes breathingGlow {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.3);
    border-color: #00ff88;
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0, 255, 0, 0.6), 0 0 80px rgba(0, 255, 0, 0.2);
    border-color: #00ff88;
  }
}

@keyframes rippleEffect {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

@keyframes progressShine {
  0%, 100% { left: -100%; }
  50% { left: 100%; }
}

@keyframes backgroundPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes floatParticle {
  0%, 100% { transform: translateY(0px) translateX(0px) scale(1); }
  25% { transform: translateY(-20px) translateX(10px) scale(1.2); }
  50% { transform: translateY(-10px) translateX(-15px) scale(0.8); }
  75% { transform: translateY(-25px) translateX(5px) scale(1.1); }
}

@keyframes particleGlow {
  0% { box-shadow: 0 0 5px rgba(0, 255, 0, 0.3); background: #00ff88; }
  100% { box-shadow: 0 0 15px rgba(0, 255, 0, 0.8), 0 0 25px rgba(0, 255, 0, 0.4); background: #00ff88; }
}

@keyframes waveExpand {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

@keyframes letterPop {
  0% { opacity: 0; transform: translateY(20px) scale(0.8); }
  50% { transform: translateY(-5px) scale(1.1); }
  100% { opacity: 1; transform: translateY(0) scale(1); color: #00ff88; text-shadow: 0 0 15px rgba(0, 255, 0, 0.5); }
}

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

@keyframes statusBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.5; }
}