/* ==========================================================================
   KEYFRAME ANIMATIONS
   Single Responsibility: All @keyframes definitions
   Mobile-optimized with reduced-motion support
   ========================================================================== */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Bottom sheet slide-up animation (mobile modals) */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0.5;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes floatLogo {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes pulseHelper {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.96); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

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

@keyframes dropPulse {
    0% { box-shadow: 0 0 0 0px rgba(108, 92, 231, 0.4); }
    100% { box-shadow: 0 0 0 12px rgba(108, 92, 231, 0); }
}

@keyframes cardGlow {
    0%, 100% { box-shadow: 0 4px 10px rgba(230, 126, 34, 0.1); }
    50% { box-shadow: 0 8px 24px rgba(230, 126, 34, 0.25); }
}

@keyframes textPulse {
    0%, 100% { opacity: 1; color: var(--theme-primary); text-shadow: 0 0 4px rgba(230, 126, 34, 0.1); }
    50% { opacity: 0.55; color: rgba(230, 126, 34, 0.75); text-shadow: none; }
}

/* Subtle scale-in for cards entering the view */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Gentle glow pulse for active tab indicator */
@keyframes tabGlow {
    0%, 100% { box-shadow: 0 4px 12px rgba(230, 126, 34, 0.2); }
    50% { box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4); }
}