/* Loading Screen - Responsive Version */
.page-loader {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 99999 !important;
    overflow: hidden !important;
    padding: 20px !important;
}

/* Animated background particles */
.page-loader::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(79, 172, 254, 0.2) 0%, transparent 50%) !important;
    animation: backgroundShift 8s ease-in-out infinite !important;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.8; transform: scale(1.1) rotate(2deg); }
}

.loader-content {
    position: relative !important;
    z-index: 2 !important;
    text-align: center !important;
    max-width: 90% !important;
    width: 100% !important;
}

/* Responsive Logo */
.loader-logo {
    font-size: clamp(2rem, 8vw, 3.5rem) !important;
    font-weight: 800 !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    margin-bottom: clamp(15px, 4vw, 30px) !important;
    animation: logoGlow 2s ease-in-out infinite alternate !important;
    text-shadow: 0 0 40px rgba(102, 126, 234, 0.6) !important;
    letter-spacing: clamp(-1px, -0.5vw, -2px) !important;
    line-height: 1.1 !important;
}

@keyframes logoGlow {
    0% { 
        filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
        transform: scale(1);
    }
    100% { 
        filter: drop-shadow(0 0 40px rgba(102, 126, 234, 0.8));
        transform: scale(1.02);
    }
}

/* Responsive Subtitle */
.loader-subtitle {
    font-size: clamp(0.9rem, 3vw, 1.2rem) !important;
    color: #b8b8d1 !important;
    margin-bottom: clamp(25px, 6vw, 50px) !important;
    animation: subtitlePulse 3s ease-in-out infinite !important;
    font-weight: 300 !important;
    letter-spacing: clamp(0.5px, 0.2vw, 1px) !important;
    line-height: 1.4 !important;
    padding: 0 10px !important;
}

@keyframes subtitlePulse {
    0%, 100% { opacity: 0.7; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-5px); }
}

/* Responsive Spinner */
.loader-spinner {
    width: clamp(60px, 15vw, 80px) !important;
    height: clamp(60px, 15vw, 80px) !important;
    position: relative !important;
    margin: 0 auto clamp(20px, 4vw, 30px) !important;
}

.spinner-ring {
    width: 100% !important;
    height: 100% !important;
    border: clamp(3px, 0.8vw, 4px) solid rgba(79, 172, 254, 0.2) !important;
    border-top: clamp(3px, 0.8vw, 4px) solid #4facfe !important;
    border-radius: 50% !important;
    animation: spin 1.5s linear infinite !important;
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.4), inset 0 0 20px rgba(79, 172, 254, 0.1) !important;
}

.spinner-ring::before {
    content: '' !important;
    position: absolute !important;
    top: clamp(6px, 1.5vw, 8px) !important;
    left: clamp(6px, 1.5vw, 8px) !important;
    right: clamp(6px, 1.5vw, 8px) !important;
    bottom: clamp(6px, 1.5vw, 8px) !important;
    border: clamp(2px, 0.6vw, 3px) solid rgba(102, 126, 234, 0.2) !important;
    border-top: clamp(2px, 0.6vw, 3px) solid #667eea !important;
    border-radius: 50% !important;
    animation: spin 2s linear infinite reverse !important;
}

.spinner-ring::after {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: clamp(8px, 2vw, 12px) !important;
    height: clamp(8px, 2vw, 12px) !important;
    background: radial-gradient(circle, #4facfe 0%, #667eea 100%) !important;
    border-radius: 50% !important;
    transform: translate(-50%, -50%) !important;
    box-shadow: 0 0 15px rgba(79, 172, 254, 0.8), 0 0 30px rgba(79, 172, 254, 0.4) !important;
    animation: pulse 2s ease-in-out infinite !important;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.spinner-orbit {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: 100% !important;
    height: 100% !important;
    transform: translate(-50%, -50%) !important;
}

.spinner-dot {
    position: absolute !important;
    width: clamp(4px, 1vw, 6px) !important;
    height: clamp(4px, 1vw, 6px) !important;
    background: #f093fb !important;
    border-radius: 50% !important;
    box-shadow: 0 0 10px rgba(240, 147, 251, 0.8) !important;
}

.spinner-dot:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: orbit 3s linear infinite;
}

.spinner-dot:nth-child(2) {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation: orbit 3s linear infinite 0.75s;
}

.spinner-dot:nth-child(3) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: orbit 3s linear infinite 1.5s;
}

.spinner-dot:nth-child(4) {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation: orbit 3s linear infinite 2.25s;
}

@keyframes orbit {
    0% { opacity: 0; transform: scale(0); }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0); }
}

/* Floating particles - responsive */
.particle {
    position: absolute !important;
    width: clamp(2px, 0.8vw, 4px) !important;
    height: clamp(2px, 0.8vw, 4px) !important;
    background: rgba(79, 172, 254, 0.6) !important;
    border-radius: 50% !important;
    animation: float 6s infinite linear !important;
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.8) !important;
}

@keyframes float {
    0% { 
        transform: translateY(100vh) rotate(0deg) scale(0);
        opacity: 0;
    }
    10% { 
        opacity: 1;
        transform: translateY(90vh) rotate(36deg) scale(1);
    }
    90% { 
        opacity: 1;
        transform: translateY(10vh) rotate(324deg) scale(1);
    }
    100% { 
        transform: translateY(-100px) rotate(360deg) scale(0);
        opacity: 0;
    }
}

/* Main content visibility */
.main-content {
    opacity: 0 !important;
    visibility: hidden !important;
}

.main-content.loaded {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
}

.main-content.fallback-show {
    opacity: 1 !important;
    visibility: visible !important;
}

.page-loader.fallback-hide {
    display: none !important;
}

/* Mobile-specific optimizations */
@media (max-width: 480px) {
    .page-loader {
        padding: 15px !important;
    }
    
    .loader-content {
        max-width: 95% !important;
    }
    
    .loader-logo {
        margin-bottom: 20px !important;
    }
    
    .loader-subtitle {
        margin-bottom: 30px !important;
        padding: 0 5px !important;
    }
    
    .loader-spinner {
        margin-bottom: 25px !important;
    }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
    .page-loader {
        padding: 10px !important;
    }
    
    .loader-logo {
        font-size: clamp(1.5rem, 6vw, 2.5rem) !important;
        margin-bottom: 15px !important;
    }
    
    .loader-subtitle {
        font-size: clamp(0.8rem, 2.5vw, 1rem) !important;
        margin-bottom: 20px !important;
    }
    
    .loader-spinner {
        width: clamp(50px, 12vw, 70px) !important;
        height: clamp(50px, 12vw, 70px) !important;
        margin-bottom: 20px !important;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .loader-logo {
        text-shadow: 0 0 30px rgba(102, 126, 234, 0.8) !important;
    }
    
    .spinner-ring {
        box-shadow: 0 0 25px rgba(79, 172, 254, 0.5), inset 0 0 25px rgba(79, 172, 254, 0.15) !important;
    }
}