/* Complete Reset - Full Screen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    font-family: 'Cairo', 'Tajawal', 'Segoe UI', Arial, sans-serif;
}

/* Full Screen Iframe */
iframe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border: 0;
    margin: 0;
    padding: 0;
    display: block;
    z-index: 1;
    background: #ffffff;
}

/* Modern Loading Overlay - Professional Design */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e3c72 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-spinner {
    text-align: center;
    color: white;
    position: relative;
}

/* Modern Spinner Design */
.spinner-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.spinner {
    width: 100%;
    height: 100%;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid #ffffff;
    border-right: 4px solid #64ffda;
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    position: relative;
}

.spinner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: spin 0.8s linear infinite reverse;
}

.spinner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

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

/* Loading Text */
.loading-spinner h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.loading-spinner p {
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.6; }
}

/* Logo/Brand (Optional) */
.loading-brand {
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    letter-spacing: 2px;
}

/* Dots Animation */
.loading-dots {
    display: inline-block;
    margin-right: 0.3rem;
}

.loading-dots::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .spinner-container {
        width: 100px;
        height: 100px;
    }
    
    .spinner::before {
        width: 65px;
        height: 65px;
    }
    
    .spinner::after {
        width: 40px;
        height: 40px;
    }
    
    .loading-spinner h2 {
        font-size: 1.4rem;
    }
    
    .loading-spinner p {
        font-size: 0.9rem;
    }
    
    .loading-brand {
        font-size: 1.5rem;
    }
}

/* Ensure no scrollbars */
html, body {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;
}