/* ========================================
   CSS VARIABLES FOR THEME CONSISTENCY
   ========================================*/

:root {
    --coral-primary-aqua: #00BCD4;
    --coral-primary-navy: #2C3E50;
    --coral-accent: #FF7F50;
    --coral-gold: #FFC107;
    --coral-success: #28a745;
    --coral-error: #dc3545;
    
    /* Logo-specific variables */
    --logo-height-navbar: 40px;
    --logo-height-sidebar: 48px;
    --logo-height-login: 80px;
    --logo-height-footer: 32px;
    
    /* Animation timings */
    --logo-animation-duration: 1500ms;
    --logo-animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode overrides */
.mud-theme-dark {
    --coral-primary-navy: #FFFFFF;
}

/* Responsive logo sizing */
@media (max-width: 600px) {
    :root {
        --logo-height-navbar: 32px;
        --logo-height-login: 64px;
    }
}

/* Print styles */
@media print {
    .coral-logo-container {
        /* Use monochrome version for printing */
        filter: grayscale(100%) contrast(120%);
    }
}

/* Additional logo animations */
.coral-logo-container {
    display: inline-block;
    user-select: none;
}

.coral-logo-icon {
    transition: all 0.3s ease;
}

.coral-logo-icon:hover {
    filter: brightness(1.1);
    transform: scale(1.05);
}

@keyframes coral-pulse {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); filter: brightness(1.2); }
    50% { transform: scale(1.15); filter: brightness(1.3); }
    75% { transform: scale(1.1); filter: brightness(1.2); }
}

@keyframes coral-glow {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; filter: drop-shadow(0 0 8px currentColor); }
}

.coral-logo-container.animating .coral-logo-icon circle {
    animation: coral-glow var(--logo-animation-duration) ease-in-out;
}

.coral-logo-container.success-animation {
    animation: coral-pulse var(--logo-animation-duration) var(--logo-animation-easing);
}

/* Loading container for consistent spacing */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

/* Email header styles */
.email-header-background {
    background: linear-gradient(135deg, #f5f5f5 0%, #e3f2fd 100%);
    padding: 32px;
    border-radius: 8px;
}