/* ===== FOOTER ===== */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: var(--gray-600);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 90%;
    overflow: hidden;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
}

.modal-header h3 {
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.modal-body {
    padding: var(--spacing-xl);
    text-align: center;
}

.processing-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.brain-processing {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
}

.brain-processing i {
    font-size: 2.5rem;
    color: var(--primary-color);
    z-index: 2;
}

.processing-rings {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ring {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: processing-ring 2s infinite;
}

.ring-1 {
    width: 60px;
    height: 60px;
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.ring-2 {
    width: 80px;
    height: 80px;
    top: 10px;
    left: 10px;
    animation-delay: 0.5s;
}

.ring-3 {
    width: 100px;
    height: 100px;
    top: 0;
    left: 0;
    animation-delay: 1s;
}

@keyframes processing-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    transition: width var(--transition-slow);
    width: 0%;
}

.modal-actions {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.success-modal .modal-header h3 {
    color: var(--success-color);
}

.error-modal .modal-header h3 {
    color: var(--danger-color);
}