/* Demo Request Modal Styles */
.demo-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.demo-modal.modal-open {
    opacity: 1;
    visibility: visible;
}

.demo-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.demo-modal-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.demo-modal.modal-open .demo-modal-content {
    transform: scale(1) translateY(0);
}

.demo-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.demo-modal-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.demo-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-modal-close:hover {
    background: var(--background);
    color: var(--text-primary);
}

.demo-modal-body {
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
}

.demo-modal-body p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(178, 34, 34, 0.1);
}

.form-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.error-message {
    color: #ef4444;
    font-size: var(--font-size-sm);
    display: none;
    margin-top: var(--spacing-xs);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-md);
}

.form-actions .btn {
    min-width: 120px;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.spinner {
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Success Message Styles */
.success-message {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--primary);
    color: var(--background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-message h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.success-message strong {
    color: var(--primary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .demo-modal-overlay {
        padding: var(--spacing-sm);
        align-items: flex-start;
        padding-top: 10vh;
    }

    .demo-modal-content {
        max-height: 80vh;
    }

    .demo-modal-header {
        padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    }

    .demo-modal-header h2 {
        font-size: var(--font-size-xl);
    }

    .demo-modal-body {
        padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
        min-width: auto;
    }
}

/* Focus trap for accessibility */
.demo-modal[aria-hidden="false"] {
    display: block;
}

.demo-modal[aria-hidden="true"] {
    display: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .demo-modal-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .form-input {
        border-width: 3px;
    }
    
    .form-input:focus {
        border-width: 3px;
    }
}