/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: var(--z-modal);
    opacity: 0;
    transition: var(--transition-normal);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(-20px);
    transition: var(--transition-normal);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--bg-accent);
    position: relative;
}

.modal-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-xl);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

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

.close {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-muted);
    cursor: pointer;
    border: none;
    background: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    line-height: 1;
}

.close:hover {
    color: var(--error-color);
    background-color: rgba(220, 53, 69, 0.1);
    transform: scale(1.1);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-body .form-group {
    margin-bottom: var(--space-lg);
}

.modal-body .form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.modal-body .form-group input,
.modal-body .form-group textarea,
.modal-body .form-group select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition-normal);
    background-color: var(--white);
}

.modal-body .form-group input:focus,
.modal-body .form-group textarea:focus,
.modal-body .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(44, 90, 160, 0.1);
}

.modal-body .form-group input::placeholder,
.modal-body .form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bg-accent);
}

.form-actions .btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    min-width: 120px;
}

.form-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-color: transparent;
}

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

.form-actions .btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--bg-accent);
}

.form-actions .btn-secondary:hover {
    background-color: var(--bg-accent);
    transform: translateY(-2px);
}

/* Success Modal Styles */
.success-modal {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.success-icon {
    margin-bottom: var(--space-xl);
}

.success-icon i {
    font-size: 4rem;
    color: var(--success-color);
    background: linear-gradient(135deg, var(--success-color), #34ce57);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px rgba(40, 167, 69, 0.3));
}

.success-modal h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
}

.success-modal p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: var(--space-xl);
}

.success-modal .btn {
    padding: var(--space-md) var(--space-2xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-normal);
    min-width: 150px;
}

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

/* Form Validation States */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--error-color);
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.1);
}

.form-group.success input,
.form-group.success textarea,
.form-group.success select {
    border-color: var(--success-color);
    box-shadow: 0 0 0 4px rgba(40, 167, 69, 0.1);
}

.form-error {
    color: var(--error-color);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form-error i {
    font-size: var(--font-size-xs);
}

/* Loading State */
.modal .btn.loading {
    pointer-events: none;
    opacity: 0.7;
    position: relative;
}

.modal .btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Animation for modal entrance */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal.active .modal-content {
    animation: modalFadeIn 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: var(--space-lg);
    }
    
    .modal-header,
    .modal-body {
        padding: var(--space-lg);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .form-actions {
        flex-direction: column-reverse;
        gap: var(--space-sm);
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .modal-content {
        width: 100%;
        margin: var(--space-sm);
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--space-md);
    }
    
    .success-modal {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .success-icon i {
        font-size: 3rem;
    }
    
    .success-modal h2 {
        font-size: var(--font-size-xl);
    }
    
    .success-modal p {
        font-size: var(--font-size-base);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .modal,
    .modal-content,
    .close,
    .btn {
        transition: none;
    }
    
    .modal.active .modal-content {
        animation: none;
    }
}